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Timing Belt Tensioner TSB/Recall - some 02's - Click HERE for Original Thread
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TheWorm
Courtesy of Tim...
R Stevens
Worm,
Thanks for the alert. Looks like my 2002 MDX is in the VIN range for the Timing Belt Auto-Tensioner Safety Recall. Does anybody know if this is a serious problem? I'm planning a 600 mile football trip this weekend!

If I'm reading/interpreting the VIN range correctly then over 40,000 2002 MDXs' are affected by this recall???
hammermdx
My VIN was part of the water pump recall last year about this time, and I just made an appointment with my dealer to have this problem fixed on Wednesday.
I don't know how serious it is, but from reading the TSB it doesn't appear anything will break, just some engine noise may be heard.
srpbep
Worm ... Thanks for posting this ... I for one REALLY appreciate the info as our X is in the affected VIN range ...

ALERT TO OTHERS ... I went to the Acura Owner Link and clicked on "Current Recall Information" ... yeah, you guessed right, I received the following message:

There are no current safety recalls for your 2002 Acura MDX.


Welllllll, our VIN is .... 2H507036 which is CLEARLY in the stipulated range (above 505108 and below 545156).

Thank you very much Acura. And just how much time would it have taken Acura to update the web page??
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JimH
I too am in the VIN range for the 2002 recall. Will be interesting to see how fast the letters come through as they are supposed to start sending them out on the 29th of this month. Appreciate the info.
TheWorm
All kudos to Tim @ Hondacuraworld for keeping us up to date on this stuff. He sent this to me for posting less than 1 day after it was issued.
edepa
thanks tim, I hope my tension will be under control as I wait for this recall of my timing belt tensioner... I guess I'm "it" with alot of other X owners!:(
hammermdx
You don't have to wait to receive the recall notice, my X is currently having this done and my service department was well aware of it whenI called this past Monday.
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JimH
hammermdx:
Let us know if your tensioner was indeed leaking fluid/oil after they removed it?
Warzau
Im surprised the let you in Hammer in the TSB it said you needed a letter as well as falling in the range for the VIN.

BTW I have noticed under acceleration lately my engine would " rattle" kinda like a heat shield but not a high pitch, more like a low growl. Was this the sound Hammer?
susang
Yikes - another recall!!!

I have spent more time at the dealer in the last year I have owned my MDX than in the last ten years!! This will be the second recall issue on top of the power steering pump replacement. Maybe I should have purchased an American made car. This is not quite what I expected. I have only 12,000 miles on my car and with this recall will have spent about 8 days in the service department. This is excessive and should not occur with this type of a vehicle (it wasn't exactly cheap).

Maybe we could all do some sort of a class-action suit against Acura and ask them for a refund of some of the money we spent on the car to accommodate these inconveniences!!!
hhwc
I'd like to know if this is a required fix. Is this a take it in if you notice a problem type of TSB?

I called my local dealer and they were clueless on this recall.
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hammermdx
Just got back from picikng up my X. The service advisor told me my timing belt tensioner was not leaking but they changed it anyway since that is what the TSB called for.

I didn't notice any difference driving home compared to before I brought it in but did not experience any noise prior to this fix (except for all the usual ones we have all been complaining about)

You shouldn't have to wait for the recall letter, they can check the computer by your VIN # and they will know right away if you are eligable or not.

The part number on the service order is 14520-P8E-AO1 and they allocated 2 hours for this. Acura of Westchester has a first class service department!:2:

Thanks Tim and The Worm for the heads-up!!!!
Warzau
Called McGrath Acura of Westmont,Ill. They asked if I got a letter I said no, but did have the info that was posted here, he looked at my vin. He said they would need it most of the day since I was going in for the 15k check up. Gonna get a loaner. Monday it will be done. FYI I asked about the sound I hear and they say it might be leaking since,under acceleration it has a faint low tone rattle almost like a diesel or a poorly tuned engine.
hammermdx
quote:
Originally posted by Warzau
Called McGrath Acura of Westmont,Ill. They asked if I got a letter I said no, but did have the info that was posted here, he looked at my vin. He said they would need it most of the day since I was going in for the 15k check up. Gonna get a loaner. Monday it will be done. FYI I asked about the sound I hear and they say it might be leaking since,under acceleration it has a faint low tone rattle almost like a diesel or a poorly tuned engine.


Good luck and let us know how you make out.
TheWorm
quote:
Originally posted by hhwc
I'd like to know if this is a required fix. Is this a take it in if you notice a problem type of TSB?

I called my local dealer and they were clueless on this recall.


This is a *must check/fix*.

Give them the TSB number.
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srpbep
hhwc,

You indicated an interest in "I'd like to know if this is a required fix?".

From my perspective:

** A mfg only issues a recall because "someone made them do it" or "resulting damage far outweighs the cost of not fixing the problem".


As we all know, there have been a number of timing belt failures associated with the water pump problem. Some unfortunate owners only had the problem repaired AFTER the timing belt broke and damage was done to the engine (bad stuff). I would not mess with anything that could affect the timing belt (simply not worth the grief). Sounds like Acura is of the same mind.


Soooo, I plan to have the problem fixed whether "it needs it or not". Additionally, even if you are lucky and the engine doesn't suffer damage, a broken timing belt is a "real bummer" (at best you will STOP, not pass go, not collect $200). And, as Murphy predicts, this will only happen at the worst time, in the worst place, yada yada yada.
mdxxxx
quote:
Originally posted by hammermdx
You don't have to wait to receive the recall notice, my X is currently having this done and my service department was well aware of it whenI called this past Monday.


Ditto... Mine was upgraded today.:4:
BaldEagle
Thanks for the heads up Tim.

Looks like my MDX with almost 20000 miles will have to make it's first visit to an Acura service department.:(
greatscot
Thanks for the heads up Tim :29:
My '02 does not fall within the affected VIN range. I went to Owner Link to check, wasn't confident enough just by reading the TSB, called my dealer's service Dept. (4:02pm on a Saturday) and they verified I am not included in the recall. :D
I was just impressed they were open so late on a Saturday. (University Acura in Clovis) Kudos to them :4:
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DaleB
quote:
Originally posted by greatscot
I was just impressed they were open so late on a Saturday. (University Acura in Clovis) Kudos to them :4:



Probably backlogged with failed MDX transmissions. :2:

Could not resist, since RobSJ left the rumor had started dying out.
greatscot
:22:
MtnMDX
I was wondering if we could start a TSB database here on the site? I recently was looking for an older TSB (apparently Tim's site used to post these?) and couldn't find any information on it. Maybe someone has a better suggestion for a way to seek these out??

Thanks for the input!
Warzau
There is a quasi TSB listing, called the Knowledge Base. It lists problem members have encountered and how it was fixed, also if it was via a TSB. Research there http://www.acuramdx.org/kb_list.php
anywho back on topic


Going tomorow with my little girl. Cant get a babysitter, hey I might take some photos.
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TheWorm
quote:
Originally posted by MtnMDX
I was wondering if we could start a TSB database here on the site? I recently was looking for an older TSB (apparently Tim's site used to post these?) and couldn't find any information on it. Maybe someone has a better suggestion for a way to seek these out??

Thanks for the input!

All the TSBs that we have are here in the Problems>TSB forum. Reset the "date" dropdown to "from the beginning" and you'll see everything we have. Not every one is here, however.

There are also TSBs on the NHTSA site: www.nhtsa.gov

Go the the "problems and complaints" section on their homepage, then select Tech Svc Bulletins, then enter the year/make/model.

If you find some there that you think should be here, feel free to start a thread in this forum and post a link to it.
JimH
Has anyone got an official letter from Acura on this yet?
hhwc
quote:
Originally posted by JimH
Has anyone got an official letter from Acura on this yet?


I'm still waiting. My local dealers won't do anything until I have the letter in hand.
jj_mdx
got mine fixed already... though i didn't have the offcial letter from acura, the service dept was well aware of the issue and just fixed it...
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hammermdx
quote:
Originally posted by hhwc


I'm still waiting. My local dealers won't do anything until I have the letter in hand.



That doesn't make sense, print a copy of the TSB and demand they run a check on your VIN. My dealer was well aware of it two weeks ago and took care of me without any hassle or letter.
bubiep
No letter as well, but dealer was supposed to have performed it yesterday with the 7500 mile maint. Guess what, on my way to pick up the car, they called me to say they don't have the part in stock. They did provide an RSX as loaner but what the real "good thing" out of it was they let me test drive the 04 TL and man was it reeeaallly sweeet!!! :4:
TheWorm
quote:
Originally posted by hhwc


I'm still waiting. My local dealers won't do anything until I have the letter in hand.

The TSB specifically tells them:

quote:
Before beginning work on a vehicle, verify its
eligibility by confirming at least one of these items:
- The customer has a notification letter.
- The vehicle is listed on one of your campaign
responsibility reports.
- The vehicle is shown as eligible on an iN VIN
status inquiry.

I guess checking their responsibility report or running the iN VIN inquiry is too much trouble for them. I'd call another dealer if mine were that lazy.
susang
I called my dealer immediately upon reading of this - they had no knowledge, so I faxed them a copy of the TSB. They said they needed to check for parts. I have still not heard back from them.

ARGGGHHHHH!!!
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mdxxxx
quote:
Originally posted by TheWorm
The TSB specifically tells them:


I guess checking their responsibility report or running the iN VIN inquiry is too much trouble for them. I'd call another dealer if mine were that lazy.



Exactly. I guess I shouldn't be surprised by some of these dealers... I give Oakland Acura credit, though. I printed the TSB, showed it to the Service Manager, he verified the VIN in about 5 seconds, and added the task in the work order (along with 15k maintenance).
DaleB
quote:
Originally posted by mdxxxx


Exactly. I guess I shouldn't be surprised by some of these dealers... I give Oakland Acura credit, though. I printed the TSB, showed it to the Service Manager, he verified the VIN in about 5 seconds, and added the task in the work order (along with 15k maintenance).



Drove by University Acura today told them about the recall, and showed them what I got off the internet. I am in the numbers for the tensioner change out.
I am having them check out my brake rotors too. Told them it wasn't bad but I do feel some pulsating even when braking gently.

They knew about the recall.
spacedoc
Thanks to Tim, I determined that my 02 MDX was part of the recall. When I called the dealer to have it done, he informed me that Acura didn't provide the parts until they had sent me a recall notice. Inputs to this thread indicate that the recall notice isn't required as long as your vehicle is in the affect VIN range. Which is it? The dealer won't take me in for the fix until I have the notice in my hand. I told him that if it needed to be fixed, something could fail at any time. He told me that if things failed that would be covered, too. There's something missing about an "ounce of prevention" being better than a pound of cure, I think.

-----------------------------------

'02 MDX, Mesa Beige, everything but Nav. (And I wish I had it ... but HP has a new PDA for which there is a GPS unit that you can put in the glove compartment. It communicates with the PDA via wireless Bluetooth. You can put lots of maps on an SD card plug in, and the PDA talks and listens just like the Acura built-in. PDA costs about $400, and GPS about $250. The PDA is a PDA, and the GPS can be moved from car to car.)
hammermdx
Per Worm's earlier post no letter is required, just one of the following per the TSB:

The TSB specifically tells them:


quote:
--------------------------------------------------------------------------------
Before beginning work on a vehicle, verify its
eligibility by confirming at least one of these items:
- The customer has a notification letter.
- The vehicle is listed on one of your campaign
responsibility reports.
- The vehicle is shown as eligible on an iN VIN
status inquiry.

Time to escalate.....another dirtbag dealer:3:
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ssMDX
No letter needed. My dealer had it done today.
My X has the pinging/buzz noise while acceleration about 2.5k to 3k rpm. They thought it could be related to this recall. But when I drove it back, the noise is still there.
:mad:
hhwc
Has anyone received a letter from Acura? It has been almost a month since the recall was issued!
hammermdx
quote:
Originally posted by hhwc
Has anyone received a letter from Acura? It has been almost a month since the recall was issued!


Nope, but I'm still waiting for the water pump recall letter from last year.:3:
srpbep
hammermdx,

If your X was in the recall range, I would strongly suggest that you get your X in ASAP to be checked (to he$$ with the recall letter). If the timing belt breaks, you are probably going to hurt your engine (many have). While the damage is covered under warranty, why would anyone want someone repairing engine damage when the damage could be prevented. I for one, would rather not have someone replacing valves, heads, yada yada yada on our X!!
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hammermdx
quote:
Originally posted by srpbep
hammermdx,

If your X was in the recall range, I would strongly suggest that you get your X in ASAP to be checked (to he$$ with the recall letter). If the timing belt breaks, you are probably going to hurt your engine (many have). While the damage is covered under warranty, why would anyone want someone repairing engine damage when the damage could be prevented. I for one, would rather not have someone replacing valves, heads, yada yada yada on our X!!



Thanks for the advice, I had the water pump recall done in August 2002, my point was I still have not received the notification letter:confused:
srpbep
Ooops, sorry.

Maybe Acura figured out that if they mailed the letters, some owners might actually take the X in for service for which Acura might have to pay the dealer. Since this problem is not supposed to cause broken timing belts (expensive for Acura), they do not have "quite the same incentive" as the water pump recall. In fact, I am curious why Acura did issue the recall (I doubt they did this voluntarily).
Acura7
Need some help regarding this recall issue. I wasnt able to load the link as my acrobat reader is currently not working for some reason. Will someone provide me with a brief description of what I need to do. I do believe my VIN# of my 02 does fall within the selected VIN#'s of this recall. I saw the range previously posted by another member and it does fall in between. I have nearly 27k on my x now and im concerned about this issue. Thanks for all your help.
Hey-Jude
Nope... I haven't received a letter either. I thought someone said something about them being mailed out sometime after September? Thought I'd hear something by now as my VIN was in the affected range.

Planning on taking her in for an oil change in the next couple of weeks so will just ask they fix it then, whether I've got the letter or not.
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mdxpursuit
Received a letter from Acura Canada today:

"due to a manufacturing related problem, the timing belt tensioner in your vehicle's engine could lose its oil. If enough oil is lost, the timing belt loosens and causes engine noise."

"Contact your Acura dealer to schedule an appointment to have your car repaired at a convenient time for you. This will allow your dealer to inform you how long they will require your vehicle(usually less than a day) to perform the repair and to ensure they have the required parts in stock. This repair will be performed free of charge."

I guess its time to make the call :rolleyes: :rolleyes:
ByeByeChrysler
quote:
Originally posted by mdxpursuit
Received a letter from Acura Canada today:

"due to a manufacturing related problem, the timing belt tensioner in your vehicle's engine could lose its oil. If enough oil is lost, the timing belt loosens and causes engine noise."

"Contact your Acura dealer to schedule an appointment to have your car repaired at a convenient time for you. This will allow your dealer to inform you how long they will require your vehicle(usually less than a day) to perform the repair and to ensure they have the required parts in stock. This repair will be performed free of charge."

I guess its time to make the call :rolleyes: :rolleyes:



I got my letter too.
Mando
I just dropped off my 02 to get a "sound" checked out (CV Joint and/or steering linkage issue) and they just called to confirm that my 02 will get the timing belt tensioner replaced as part of the TSB.

Now...if we can get the brake thunk fixed...;)
edepa
Any one know how long it takes to get this timing belt tensioner tsb done? My dealer has me down in late November to come in for basically an oil change/tire rotation service (22,500 miles) and do the tsb. He said I'd be able to wait for it. What he didnt' say was whether I should pack a lunch and dinner too.:D Should I be pushing for a loaner while he does this service, or could it be fairly quick? :1:
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spacedoc
It is an all day job. Get a loaner.
DaleB
If the tensioner only has to be replaced it should only be a half a day. Technically it is only a 2 hr labor job.
I had the tensioner replaced, front pads replaced and front rotors turned, and the transmission flushed 3X in a one day dealer visit.

All this is assuming you have set up an appointment in advance and not just being 'squeezed in'.
JimH
The service advisor at the nearest Acura told me it was also a
2 hour job. Told me to bring in at 8:00, and plan to pick up at noon, and he would provide a loaner for the 1/2 day. When I inquired about this a few weeks ago, they did not have the new tensioners in from Acura.
DaveMDXWave
Thanks for all the info! I wouldn't of known about half the stuff w/o you guys!

Anyway, I took my X down to Santa Monica Acura for the Timing Belt change. They told me that it would be an all day job and gave me a loaner. Well, it turned out to be a two day job and I practically had to get nasty with the Acura guys at 3 p.m. on the second day to get my X back by closing. They wanted to keep it a THIRD day!

It's not like I was a walk in. I made an appt. a week in advance. To me this shows that warranty work gets put on the back burner whenever possible.

*shrugs*

DaveMDXWave
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Hey-Jude
Here's what ownerlink has to say:
------------------------------------
Concerned about safety? So is Acura. That's why Owner Link provides up-to-date recall information about your vehicle. Because Owner Link recall listings are based on your Acura's Vehicle Identification Number (VIN), they are specific to your vehicle.

Your 2002 Acura MDX is not included in the Ignition Recall. For more information, please see the Press Release and FAQ.

Your 2002 Acura MDX is not included in the Transmission Warranty Extension. For more information, please see the Press Release.


There are no current safety recalls for your 2002 Acura MDX.
------------------------------------

Has anyone seen the tensioner recall listed on their ownerlink site? Has anyone in the USA received a letter? I'm surprised there haven't been more posts about this but maybe it didn't affect many vehicles.
Allen Cichanski
I have a 03 3.2 TL and got the TSB letter that said I need the timing belt tensioner fixed. I took it in today and had the work done along with and oil/filter change. The whole job took only about 2 1/2 hours. Good service, no problems. Engine does seem a little quieter (not that it was really noisy before).
Hey-Jude
Okay.. of course the same day I post this, I get the dang letter. But the owner link is still not updated. Pretty lame. Why even have it if nobody bothers to update it.

I'll call my dealer's service dept tomorrow to schedule an appt. Kind of anxious to check out the TL and TSX anyway. Our '95 Camry has 130k miles on it and I'm just waiting for it to die! Not that it hasn't been a great car... but come on!
Allen Cichanski
hey jude,

While getting my TL serviced they gave me a new TSX for a loaner. Very, very nice! If I was in the market for a quick and zoomy new car I'd certainly consider the TSX. There is no doubt that my TL (and I assume the new TL too) is quieter and smoother than the newTSX but if I was 20 years younger and wanted a smaller sportier sedan I'd go for the TSX.
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greatscot
quote:
Originally posted by Allen Cichanski
hey jude,

While getting my TL serviced they gave me a new TSX for a loaner. Very, very nice! If I was in the market for a quick and zoomy new car I'd certainly consider the TSX. There is no doubt that my TL (and I assume the new TL too) is quieter and smoother than the newTSX but if I was 20 years younger and wanted a smaller sportier sedan I'd go for the TSX.

I agree, was your loaner like my loaner?
AEP
GOT LTR SAME DAY I SCHEDULED 15 K SERVICE-TSB WAS PERFORMED CONCURRENT -I DID NOT HAVE CHANCE TO F/U BUT ACCORDING TO SERVICE WRITE -UP IT APPEARS THAT THEY ALSO REPLACED TIMING BELT ??? ALL IN 2 HOURS ??? WILL CHECK IF SO OK --PPS-BECAME AWARE OF THIS ISSUE WHEN MY SON RECVD INPUT RE HIS ODESSEY WITH BASICALLY SAME ENGINE-GUESS HONDA WAS QUICKER TO ISSUE NOTICE BEFORE ACURA-SAME CO. DIFF RESPONSE TIME!!
R Stevens
My recall letter finally came today!
hammermdx
Mine came last week, 2 months after it was fixed.:4:
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vze23h3h
I just got my letter today
Lrpba300
Fortunately, I traded my '02 MDX in for an '03 MDX right before I got the Card/ warning! I called the Dealer to let them know, & they said they would "catch it" when they do a vehicle inspection on my trade-in? Hope so for the next owner :rolleyes:
marktr6
Just got my letter for my "02 today. Man, is Acura on the ball, or what?

I had completely forgotten about this from Worm's first post and just figured letter would arrive any day. Did a search to find this thread which I remembered. Now if I can get an appointment at Gary Force Acura in the next 30 days.

Mark
SonShine
Got my letter and had mine done a couple of weeks ago. The dealer knew about it but my service guy said he hadn't seen one come in yet with a problem...
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WoodstockMDX
Like many others, I received my "letter" in late December and had the recall performed the first week of January. No big deal other than the late notice. Actually received a loaner for the day of service (also had the 30,000 mile service done at the same time).

Well, today while driving home in Atlanta rush hour traffic (why do they callit "rush" when you're practically stopped?), I lost all power steering. Drove like a truck but manageable enough to get off the road. Opened the hood and found the power steering pump pulley sheared off the pump shaft and sitting in the engine compartment. Fortunately the pulley and it's drive belt didn't do any other damage.

Of course my call to Acura service was too late - closed for the day. Calls to Acura TLC were useless - would call for a tow but not sure when and tow only to Acura dealer and it was my problem to get home after hours (no thanks!). So I drove the "truck" home and will try to get "service" tomorrow.

My question??? - could the dealer have over-tensioned the PS pump belt after the timing belt tensioner recall enough to have caused this failure? Or is this a new design defect?
srpbep
WoodstockMDX,

IMHO, the answer to your question is YES. If you refer to the water pump recall, I believe you will find the exact same "symptoms" (e.g. cause/effect relationship).

I thought that Acura had alerted dealers regarding the situation and reinforced the procedures.

Oh well .... Heck, we just had our timing belt tensioner done last week -- now you've got me thinking!!!
WoodstockMDX
srpbep..thanks for the response. In further searching the other forums, found similar failures in the water pump recall area. Thought it too much of a coincidence. I think you've got to take off the PS pump belt to get at this stuff (tensioner and water pump) so over tightening the PS pump belt is possible when reassembling everything.

Wish you luck with yours. I had ABSOLUTELY no indication of a problem - no noise, no hard steering, nothing. Don't know if a call to service to have them check the tension is in order but may be worth it.
edepa
quote:
Originally posted by WoodstockMDX
srpbep..thanks for the response. In further searching the other forums, found similar failures in the water pump recall area. Thought it too much of a coincidence. I think you've got to take off the PS pump belt to get at this stuff (tensioner and water pump) so over tightening the PS pump belt is possible when reassembling everything.

Wish you luck with yours. I had ABSOLUTELY no indication of a problem - no noise, no hard steering, nothing. Don't know if a call to service to have them check the tension is in order but may be worth it.

I had the opposite problem, they failed to tighten the belt sufficiently. I drove home with no symptoms and then the belt started squealing loudly, after service was closed of course. So I had to make the haul back to the dealer another day to get it adjusted and tightened properly. You'd think they'd know better!:1:
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WoodstockMDX
The dealer now has my X and is replacing the pulley - ONLY. Should I worry about a month (and 2000 miles) of overstress on the pump bearings and shaft?

I know the warranty is to fix only the things that are broken but how about the things that were weakened (?) by the failure and that will ultimately succumb to a premature death?

I only have 6000 more miles to the 40000 magic number so I'm not sure that's long enough to cover this possibility. Thoughts

:confused:
srpbep
WoodstockMDX,

Just a follow-up to my post where I indicated that Acura HAD NOTIFIED the dealers. Thanks to TheWorm and Tim, the TSB has been posted (see beginning of this thread). The following is a quote from Step 10 of the "Repair Procedure" (reference Page 3):
quote:
NOTE: Overtightening the power steering belt will cause the power steering pulley to fail, so make sure to set the belt tension to the used belt specification. Refer to section 17 of the appropriate service manual.

I guess that Acura could have put this in ALL UPPER CASE BOLD or could have put this in color or could have put this in ALL UPPER CASE BOLD and in RED or ...

That presupposes that mechanics will read ... hmmmm

In either event, with the Service Bulletin and the documented failure, I suspect that you would have a "reasonable" complaint should the pwr steering unit fail (say before 100k) ... JMHO
JimH
Also in the 2002 Acura Service Manual (pp. 17-12/17-13), it states that the engine should be started after the initial adjustment, where the wheel is turned from lock-to-lock several times, then stop the engine and recheck the tension of the belt. I predict that this step is often not done.
WoodstockMDX
Thanks all. Discussed this with dealer when I picked up the car this AM and he assures me it's now done right. He also assures me he's discussed this with the tech who did the initial recall work. Claims I'm the only one they've seen out of "hundreds" of recalls they've done that had this problem. Would they tell me otherwise? Doubt it.

Discussed the concern about future failure of the pump itself with Acura Client Services. They say that if the pumps fails after the warranty period and they can trace the failure back to this incident, then they're "not going to walk away from it". Should be an interesting discussion when and if it happens.

So for now, after two days of disruption, we have our X back and life is back to normal - except for the letter to be written to Acura recounting this whole incident and how - if the service tech had followed instructions - none of this would have happened.
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AEP
SUGGEST U CHECK RATING OF YOUR DEALER RE: "OTHERS" EXP. RE: SERVICE COMPLAINTS ESPECIALLY IN VIEW OF COMMENT U ARE ONLY ONE THIS HAPPENED TO -IE IS DEALER RATED IN ACURA HOMELINK???
SLowe
Hello - I'm looking for possible reasons why my 2002 MDX (91K miles)is making an occasional buzzing noise from the engine. Buzzing or a rapid vibration sound is probably the best way to describe it. It starts after driving for about 10 miles, then it will last for about 5 miles and gradually go away. It also goes away if I park it and let it sit awhile. It's hard to tell where it's coming from in the engine compartment (I know that's a big help). So far it's happened 3 times and gone away before I can get it to someone to diagnose. I saw there is a TSB for the timing belt tensioner and was wondering if this may be it. The VIN number is 2HNYD18282H523875 which I think is in the range given in the TSB. Thanks for any help!
hammermdx
Welcome aboard. I don't think the Timing Belt Tensioner is the source of your problem. This had more to do with a bolt shearing off and causing the timing belt to fail by being shredded. Tim may be able to run your VIN to see if the recall has been done, or maybe you could call Acura Client Services. Good Luck.
JimH
I believe the timing belt tensioner recall symptoms has more to do with an "engine noise" caused by a lack of tension on the belt, and has nothing to do with a bolt possibly shearing off (per the .pdf file in the 1st message of this thread).
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hammermdx
quote:
Originally posted by JimH
I believe the timing belt tensioner recall symptoms has more to do with an "engine noise" caused by a lack of tension on the belt, and has nothing to do with a bolt possibly shearing off (per the .pdf file in the 1st message of this thread).



That is true, but the water pump recall was the one that had the possibility of a bolt shearing off.
SuperTech
I just ran that VIN. The tensioner has already been updated.
dmac
I am a new member, but I have been reading everyone's forums for awhile now. This is a really good web-site and I have learned alot. I have a few questions that maybe some of you can help me with. I have a 2002 MDX. The malfunction light came on and off. I live 4 hours away from a acura dealership. So I called acura and told them my problem. They said to take the MDX to the honda dealership in my town. I did. They checked the malfunction light. I thought it was the EGR valve. The code was fuel metering too rich. They put an additive in the gas tank and reset the code. I changed where I was buying my gas. I always used 91 or higher octane. Anyways, it has been about 3 months and the light keeps coming on and off. I am not sure what to do.....do I demand from acura to change the EGR valve with honda or what????

Also, when accelerating, I hear a rattling noise. The noise goes away or I just can't hear after certain RPM's. My timing belt auto tensioner has been fixed before. The rattling noise was heard at the same time. Could my water pump need replacing?

My MDX has 54000 miles and I plan on keeping it for another 3 years. I want to make sure the car keeps running. I am not sure what I can do.

Thanks ahead of time for helping me.
JimH
I would take to the Honda dealer and have them diagnose the problem. If it is the EGR valve, it is covered by an additional warranty to around 80 K or so miles. If it is something else wrong and you are out of warranty, I would have Honda repair it if possible. If it is the tensioner, and it was previously replaced under a recall, I would have Acura replace it.

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