Vibtation or shutter on acceleration on Subaru Tribeca

A vibration or shutter may be noted on acceleration. If the transmission torque converter is suspected a revised part is available to correct this concern.

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Average mileage: 86,423 (30,000–146,000)
2 model years affected: 2008, 2009
26 people reported this problem
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problem details
2009 Subaru Tribeca 61,000 mi,
haven' t fixed it yet, looking for solutions. sounds briefly like you are going over a washboard road while accelerating.
2008 Subaru Tribeca 71,000 mi,
Car shakes while accelerating slowly. To stop the shaking you must either back off the accelerator or speed up your acceleration
2008 Subaru Tribeca 129,000 mi,
Same shudder at different speeds. They want 6K to replace tranny. Trading it in on a Honda before it gets worse.
2008 Subaru Tribeca 146,000 mi,
Three times to dealership now they want to replace the whole transmission.
2009 Subaru Tribeca 58,000 mi,
I noticed this problem within the last month, but only just brought it in to the dealership. This has happened intermittently since I've owned the car and each time I was told that it was just a "software update" that had to be done. Today they called and said that I needed a whole new transmission to the tune of $6225! Still looking for answers....
2008 Subaru Tribeca 133,000 mi,
A shudder and slipping feeling on acceleration between 20 and 30 mph.
Have had two torque converter replacements. We now have a confirmed third time problem of the same. We need three rows and love owning a Subaru but this is too much. It's making for a stressful ownership of this vehicle having the repeat issue, we just want it fixed so we can enjoy our Subaru!
2008 Subaru Tribeca 68,000 mi,
Happens with a CEL thrown about either AT OIL temp or some other issue. It could be the TCU or the ECU, not sure, willing to find out.
2009 Subaru Tribeca 100,000 mi,
rumbling or shuttering happens when stepping on the accelerator at times then goes away.
2008 Subaru Tribeca 57,000 mi,
[Added note: the second time the dealer said there was a remapping program for the transmission. Apparently, that's not enough.] My Tribeca was bought from a reputable Subie dealer just after they got it from Subaru USA as a company car. Totally maintained and such. At first it was an occasional shudder/vibration you could feel in the seat of your pants. I used to have a shop and know the first thing is tire balance, etc. Then a new set of wheels/tires for winter just after purchase, and the problem didn't go away. She now has 61K miles and it's getting worse. I've mentioned this to the dealership twice since. (I have a lifetime powertrain warranty.) I had thought maybe there's a u-joint or differential problem. But, that didn't explain that it was consistent under light acceleration/ light load that didn't coincide with either road speed or engine speed. Torque converter problems could easily explain this. Guess whom I'm calling in the morning.... Thanks all. Sometimes it's right under your nose and you can't smell it until someone else says: "What? You can't smell that skunk!" I've owned about six Subies (in addition to four Hondas, four Toyotas, three BMWs) and I'll take a Subie over any. Thanks all for this info/perspective. :)
2008 Subaru Tribeca 56,000 mi,
Vehicle begins wobble at 90km/hr which worsens with greater acceleration. Originating from powertrain, or Torque Converter.
2008 Subaru Tribeca 89,000 mi,
Traded for an Audi
2008 Subaru Tribeca 90,000 mi,
same as above.
2008 Subaru Tribeca 70,000 mi,
shudder/vibration throughout car at 40 mph and 60 mph speeds.seen numerous complaints about this issue.torque converter problem to blame