Acura MDX Torque Converter Scam
FYI, took my 2001 MDX to Acura Columbus. Was hearing a noise similar to a rumble strip from the front right of the car. Acura Columbus said it was the torque converter and would cost $2000 to replace!!! Got a second opinion, turns out the rear differential oil needed changed ($80) When the oil breaks down the clutches in the rear end cause the noise. Theres a service bulletin on this. Beware.........
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Mine started rumbling and grinding at the same speeds when I had about 62,000 miles on it. It was still under the powertrain warranty... so it was replaced no cost. The car drove like a dream after it was fixed, so that is how I know that was what it was. WELL...Here I am...not even 10,000 miles later... not even a complete year...and it has started AGAIN!!! Same sound... same problem. I have read in different post of people getting 2 or 3 new torque converters... why dont they replace them with a brand they know isnt faulty?!!! Now my car is out of warranty...but I plan to take it back and demand a new one. THe problem with this noise it getting it to reoccurr when they are driving with you in the car...and since mine has Just started doing it again... it will be hard to point out.
Replacing the torque will cost you less than replacing the Transmission...so I would start with that...because I believe that is where the problem lies.
http://www-odi.nhtsa.dot.gov/index.cfm
Also, the NHTSA has issued a "service bulletin" for this exact same problem for all Acura's for model years 2003-2004. To view the service bulletin, go to the following web site:
http://www-odi.nhtsa.dot.gov/tsbs/tsbsearch.cfm
Enter NHTSA item# 10022468 in the "quick search" box. Once you get the record, click "get summary" and you will see the exact explanation as follows:
"Torque converter shudder or vibration between 35-40 mph"
This is exactly the same problem that is so prevalent with the 2005 and on Acura MDX and Honda Pilots. Do not understand why a service bulletin has not been issued for more recent model years???????
Acura Service Bulletin 06-003 pdf
There is also a statement in the document that addresses "out of warranty vehicles" and the the procedure for obtaining a "goodwill consideration" repair. It would appear that Honda/Acura was expecting a significant number of vehicles (both in warranty and out of warranty).
I have a 2005 Acrua MDX that was one year "out of warranty" and through persistence and documentation from web sites such as this one and also the 15 complaints filed with the NHSTA, I was able to get Honda/Acura to move from not covering my $2,000 repair to covering 100% of my repair. Good luck !
http://ww2.justanswer.com/uploads/thebesthonda/2010-02-04_181956_B06-003.pdf
The problem is...they replace it with the same converter you already had...only this time, it will seem like the problem comes back much sooner...not sure if it really is...or if its because we know exactly what to listen for now? Im ready to get rid of mine before it gets too noticable.
PCM Update for Lock-Up Clutch Function
Torque Converter Shudder or Vibration Between 35 and 40 MPH
Year.......Total Complaints.......All Tranny Complaints.........Shudder/Vibration
2004................42............................17 (41%)........................13 (77%)
2005................51............................30 (59%)........................27 (90%)
2006................23............................14 (61%)..........................8 (57%)
Totals............116.............................61 (53%)........................48 (77%)
Transmission complaints by far out numbered all other complaints for Acura MDX. The Shudder/Vibration/Torque Converter issue comprised 77% of all transmission complaints. It is obvious that there was a "defect" for several years that was ignored by Acura. To speculate a little, if 48 vehicle owners reported the shudder/vibration/torque converter problem to NHSTA, and only 2% of owners with with problem actually took the time to file a complaint, that would extrapolate out to over 2,000 (2,400) vehicles that could potentially have the problem. I am sure Acura has done these numbers and has decided to address this problem one on one as owners complain (and I am sure Acura is hopefully that their vehicles are out of warranty). Also, think of all the owners that had this problem and their vehicles "were" within warranty and we would not hear from those owners in a forum such as this!
PS - Honda Pilot owners (same transmission at Acura MDX) have similar statistics in the NHSTA database.
With the advent of the use of the lockup clutch in ALL of the higher gear ratios, above 2nd, modern day torque converters are simply not as robust, strong, as in yesteryear. That's one of the reasons most vehicles now have "hill-start" capability, use the brakes to "hill-hold" since the TC does not couple enough torque at engine idle to do so.
A long standing edict of 4WD is NEVER have the system engaged on a highly traction surface. Additionally any 4WD owner with experience will tell you that an easy way, QUICK way, to end up with busted knuckles and/or broken fingers is to have a 4WD system engaged when turning tightly or in an acelerating turn.
Yet here we are today with all these F/awd systems ignoring that edict. Engage the rear drive capability on a highly tractive surface. Even worse yet, engage the rear drive in an accelerating turn. So it's really no surprise to me that all of these Ford F/awd systems have prematively failing PTOs and now here we are with prematurely failing torque converters on the MDX.
Both for the very same reason.
Overstressing the drive train.
Disable the F/awd system, SH-AWD system, except in times of suspected need and these weakest link failures will go away.
Now that I read that the problem comes back due to ill design, I am seriously considering trading it in and getting a new, different car. I hate to do this since I loved the MDX, but now it is tainted.
If I get the TC replaced (at Acura's expense, hopefully), is there anything i can do the better care for the car to reduce the likelihood of recurrence?
Really glad I found this forum before I paid the bill myself or paid to replace the entire transmission!
I know that when my problem came back less than a year later...it wasnt so much the TC as it was the transmission this time around. Sometimes it takes you so long to figure out that your TC has gone bad...that it has already messed up the transmission (which i think is what has happened i my case). The guy who said you need a new transmission, was probably correct. Mine happened at EXACTLY 60K miles... so i was under warranty the first time it was fixed.
Although right now, you are probably just experiencing the sounds and feel of a bad TC...later on you will probably have the transmission go bad like I did. I traded it in for a Mazda...so sad I had to do that...but i was afraid to get another honda/acura ...and couldnt afford to try out a new Acura to see if it was gonna be any better. I LOVED MY MDX... I cried when i traded it in...and may NEVER like this new car ever as much as i did that car...but cannot afford to risk getting another one...