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Acura MDX Transmission Problems



  • wwestwwest Posts: 10,706
    2008...32,000 miles...Now that's worrisome.

    Unless you make highly regular use, high TORQUE use, if the rear wheel drive aspects of the SH-AWD system.

    Off-road, dirt/gravel road..?

  • What are you so happy about? That you got the warranty at 32k which should be normally covered? That they gave you a loaner? That your tranny/tc only lasted 32k? we'll see how happy you are when in another 32k you'll need a brand new tranny. You'll probably be doing quadriple double dragon flips by then I'm sure.
  • I have a 2002 with 117K miles that has a mild case of the shudder/vibration issue. I talked to a co-worker who also has a MDX and he said his also has had the issue for the past 50K miles and his car now has 170K miles. He had extensive discussions with the dealer about it and one time a service person was very open about the problem. He was told that eventually he should replace the torque converter and transmission but only when the issue gets too annoying to deal with. It's not something you need to take action on immediately once the symptoms start. Apparently after 50K miles it hasn't gotten to this point yet. So my strategy will also be to wait and see. I only need to get a couple more years out of the car and the symptoms for me are not severe nor very frequent. I might experience it once during a day while driving and it's more of a noise issue - I don't notice much vibration or power loss. If you want to get another 100K from your car, then it may make strategic sense to do the work sooner than later. For me, I only need to get another 20K so I'm going to wait and see. Supposedly the rest of the car is solid and will make it to 200K without problem.
  • I cannot access the link. It does not work. I replaced the torque converter last November. Now my transmission wont shift. How do I join the lawsuit?
  • washingtondc,

    I bought my certified one from Rosenthal too, but took it to Pohanka Acura for service. I think I need to take it to Rosenthal. Any one at the dealership you recommend I talk to?

  • Hi,

    I posted some weeks ago regarding judder in the transmission and unstable RPMs in our 2010 MDX after only 25k miles. Bottom line is that we had the torque converter replaced and the SW upgraded for more smooth shifting. I CANNOT BELIEVE THE CHANGE... The car now runs like the luxury car it is and the ride is amazing. I put up some YouTube videos of the original problem and others have done that too. Bottom line, get that torque converter replaced, and second, get that SW updated, at least on your 2010 and newer (I believe the SW was released in July 2011 so ask for it for the next service).

    Good luck!
  • So glad I found this. We bought an 08 MDX 4 weeks ago with 71k miles. All is perfect except for a grinding noise I can hear around 40 MPH and the same shutter/jitter when shifting from 2nd to 3rd or 3rd to 4th (I believe). Also have the same RPM jumping around when over 40MPH or so. We have only put 500 miles on the car so far. Not that I am glad to have an issue with it, but at least I can see the write ups here the videos you posted. Note, my RPM jumping is more than what I saw in video. Going to finish gathering info, maybe record a video and head back to Acura. Wonder what response I am going to get. probably print out some detail like this too. What specific item was had the software updated? What it the main unit or the transmission??? I know I will catch slack for buying an 08 with 71k on it but this is my 3rd Acura, (91 Integra/RIP, current 04 TL with 120k, and now this). Integra was redlined 3 to 20 times a day for 5 years, only issue was AC compressor, had 144k when totaled in wreck. TL is not pushed so hard but is (older now) and perfect! I got the MDX loaded with Navi-Tech pk for $23k and do have a 12k powertrain warr, will see if it helps me. Wish me luck.
  • dc1225dc1225 Posts: 53
    Take it to a dealer and have them replace the torque converter...don't leave the dealership til they do.

    Glad to see that Acura still has not fixed the problem stemming from back in 2001.
  • We only had the torque converter replaced, not the entire transmission.

    With regards to the SW you need to ask the dealership. Ours is a 2010 and thus with the six speed transmission, and I believe 07-09 are five speed. Anyhow, the service technician will be able to check if there's an upgrade available or not.

    Good luck!
  • mdxer7mdxer7 Posts: 8
    I own a 2001 MDX (bought new) and the transmission was replaced after approx 105K miles by the dealer - covered by the warranty. Even though it was slightly over the mileage (I had purchased the extended warranty). I had all PM done by the dealer (who has been great) and they were able to have the new trans covered. Ok..2011 and I now have 210K miles and have once again been experiencing transmission issues (actually started around 200K). I knew the symptoms well. Time for a new car/suv.

    Well, I feel I got my monies worth and have thoroughly enjoyed own/driving the MDX. I was going to buy another (this time used) MDX having read that the transmission issues were supposedly taken care of w/the new model in 2007. But this forum makes me wonder..... If you had it to do over...would you buy your 2007 or older over again? If not...what SUV would you buy?

    Any thoughts on the Lexus RX350?

  • jslivonjslivon Posts: 57
    When we replace our 2003 MDX, it will be a Ford or Hundai but not an Acura. There are too many complaints about Acura in this forum. I think Honda has developed a reputation of poor quaility and bad customer service, very similar to what got Ford in trouble years ago. They now are the car company for the future.

    Also on your 2001 MDX, you probobly have two broken motor mounts and the lower front balljoints are shot.
  • mdxer7mdxer7 Posts: 8
    Funny you mention the motor mounts & balljoints -- replaced many miles ago.
  • drbobkdrbobk Posts: 2
    I have a 2002 MDX bought new. After 5 years and only 30,000 miles, the transmission started shuddering when shifting, and Acura replaced it (rebuilt it) under warranty. Now, at about 65,000 miles, it's happening again. I just called the dealer to see if Acura was covering these under warranty even though it's out of warranty, and the service writer told me that transmissions on the MDX are not a recurring problem. My experience - and that of hundreds in this forum - indicates otherwise. I'm bringing it in next week, and we'll see how they deal with it. But this is twice in 65,000 miles. I don't drive it hard, and in fact try to drive it economically. Maybe that's the problem, since some of these posts indicate that hitting the gas hard eliminates the shuddering. This is my second Acura, and I kept the first for 7 years (and only 35,000 miles) without a single maintenance issue. How they treat this one determines how I feel about a third Acura.
  • wwestwwest Posts: 10,706
    You may wish to note that almost every manufacturer that has tried to make a silk purse (Actual AWD) from a sow's ear (FWD SUV[***]) has had problems with the initial implementation. It is not a simple matter to leave the front diff'l SOLIDLY driven (a MUST) and have the rear drive come online "solidly", or even semi-solidly "at will".

    Having both front and rear "solidly" driven will ALWAYS result in extreme stress on the drivetrain and tires.....


    The MDX was switched to the SH-AWD system for this very reason.

    *** RX300, Escape/Mariner, MDX, etc.
  • WOW! didnt realize how big of an issue this is. Acrua keeps a tight lid on this matter i see. I just purchased a 09 mdx with tech, 12k miles for $32,000 last weekend. I was not not aware of this AT ALL. I am still under the factory warranty for another 2 1/2 half years. my question is should I take it to acura now and avoid any future headaches? because the car is still a baby and I am hoping I really dont start having issues in the near future. so far I am loving the car (granted I only had the car for a week) I know a few MDX owners and havent heard any complains from any of them. Thats the reason why I decided purchase the car but I've been reading a lot of discomforting comments and I must say I am feeling a little uneasy about my decision. please, any advice would be appreciate.

    BTW I purchased the car from Paragon Acura in NYC
  • steverstever Posts: 52,683
    Reliability since 2004 has been pretty good, per Identifix. This is a "problems" discussion so people who aren't having issues are less likely to post.

    Enjoy the new ride!
  • I have leased MDXs since they first came out. I recently bought out my 2007 vehicle at the end of my lease since I loved the car, had no problems with it and the residual value was a reasonable deal and I was way over in miles. Have gotten all routine maintenance and changed transmission fluid when recommended. Weird grinding sound when decelerating on exit ramps started a couple of months ago but nothing that was impacting my driving. Driving mostly highway miles currently at 81K. Out of the blue yesterday started shuddering and rumbling when car goes over 40 mph. No way you could drive it like that. After looking at the numerous transmission complaints, looks like I have joined the ranks Acuras with bad transmissions. I guess I am out of warranty at 70K. Any ideas on getting them to cover this? Thank you.
  • jslivonjslivon Posts: 57
    Make your dealer call the Acura home office in CA. They should pay at least 90% of the replacement cost ($4,500 total cost for an Acura rebuilt transmission). Tell them about this blog and you know they are defective.

    If they won't do it, file a complaint with BBB. If they still refuse, go to another dealer. They may help in an attempt to get all your future business. But the bottom line is that if all this fails, you are screwed. if you contact a lawyer, you will get double screwed.
  • wwestwwest Posts: 10,706
    It begins to sound as if my advice on modification applies even to the MDXes with the SH-AWD system. Add a toggle switch to open the electrics that drive the rear clutch engagement circuits unless a true need for AWD functionality exists, KNOWN need.

    Driving both rear wheels along with at least one front wheel on a highly tractive surface even only for/during acceleration begins to look like a BAD idea. Accumulative effects of the stress/heat takes its toll in the long term.
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