Question about 2006 Chevrolet Trailblazer
When I start the car, before going into gear there is a loud ''thunk'' sound coming from the front right hood of the car. My chevy gargage has heard the sound, but can't tell me what the problem is...
My first guess would be the front u-joint on the drive shaft. Try twisting the u-joint to see if there is any play, which there shouldn't be. If the u-joint is OK, have the transmission checked out at a reputable shop. There could be a problem with the torque converter, the valve body, or the bands. You didn't say whether this was a 4 wheel drive or not, but I doubt that the problem is with the transfer case. Let me know what you find.
Posted on Mar 10, 2009
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Posted on Jan 02, 2017
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