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Old 04-18-2015, 08:00 PM   #1
VueofBubbles
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2008 VUE 3.6L
Default Could this be the lugging fix?

In my older posts, we all postulated as to why I have an odd drone sound at low RPM's. Months later and still no answers, I run across this little beauty posted in the Acadia forum:

2007 and 2008 models
May 8 Transmission Flash May 8 Transmission Flash May 8 Transmission Flash May 8 Transmission Flash May 8 Transmission Flash May 8 Transmission Flash
#08-07-30-022: Hesitation or Flat Spot Between 56-80 km/h (35-50 mph) (Reprogram Transmission Control Module) - (May 8, 2008)

Subject: Hesitation or Flat Spot Between 56-80 km/h (35-50 mph) (Reprogram Transmission Control Module)
Models: 2008 Buick Enclave
2007-2008 GMC Acadia
2007-2008 Saturn OUTLOOK
with FWD or AWD
--------------------------------------------------------------------------------
Condition
Some customers may comment on a flat spot or hesitation between 56-80 km/h (35-50 mph) speed range.

Cause
The existing transmission calibration is programmed to maximize fuel economy and requires a greater throttle input than some customers would prefer to provide acceleration in this speed range.

Correction
A new calibration is available. This new calibration increases the speed required to obtain upshifts and removes TCC apply from 2nd to 3rd gear, thereby reducing engine lugging and improving vehicle response to accelerator input.

Important: This calibration will have a negative impact on fuel economy of 0-1.2 L/100 km (0-2 mpg) combined driving.

Could the fix be that easy? If so, I hope that this solution is still available... anybody know anything about this stuff?

Can these trans calibrations be programmed in by any dealer?

Please help!!!
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Old 04-21-2015, 12:03 PM   #2
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2008 VUE 3.6L
Default Re: Could this be the lugging fix?

Vue,
It sounds viable. Is it the same engine and trans in the 08 Vues as in the models listed? If so, that is what I would go take a look at. Take it to the local GM dealer and have them check it out... if it is the same driveline, then the TSB should apply, and they fix it for free.

Just my thoughts..
...
aka
Lord_Varon
07 Vue V6 AWD LOADED!!! aka SUPER CRITTER!!! Sadly gone, and definitely missed.
08 Equinox Sport 3.6 6 spd auto, AWD, even more loaded. And the jury is still out on it.
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Old 05-29-2015, 12:43 PM   #3
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2008 VUE 3.6L
Default Re: Could this be the lugging fix?

Problem fixed!

It was the engine mount. That simple. All the original dealer had to do was diagnose the issue.

Anyway, thank you to everyone for helping!
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Old 04-29-2020, 03:23 PM   #4
twpatches
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Default Re: Could this be the lugging fix?

I know this was forever ago, however, I have a '08 Vue Redline with the same issues as you were having. I just had two motor mounts replaced, and the same vibration at lower RPMs in higher gears still exists. What mount did they replace for you?
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