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Tom, ASE Certified Technician
Category: Car
Satisfied Customers: 25955
Experience:  ASE Certified Master Technician
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2007 Suzuki Grand Vitara: V6 awd suv..15-20 mph..gas pedal

Resolved Question:

My 2007 Suzuki Grand Vitara V6 AWD SUV has a clunk that our mechanic can't figure out. When you turn the motor off and then start the car, you start pull out and between 15-20 mph, a clunk is heard and I can feel it under the gas pedal. You don't hear it again, until the engine is turned off, then turned on again, and start to drive. You don't hear it when you stop at a stop sign. The noise only happens when you turn off the engine. The car has ~51,000 miles on it.
Submitted: 6 years ago.
Category: Car
Expert:  Tom replied 6 years ago.
Ok it's most likely a faulty motor or transmission mount . The vehicle needs to be up on a lift with a technician power braking the vehicle from reverse to drive and a technician under the vehicle with a set of chassis ears. These are just like a doctors stethoscope. They will definately pinpoint the noise . This is the way to properly diagnose the vehicle . So print this out and have a shop diagnose it this way . Hoped this helped. Positive feedback and bonuses greatly appreciated .
Customer: replied 6 years ago.
It doesn't happen when braking so why would this help pinpoint the problem?
Expert:  Tom replied 6 years ago.
No power braking means holding the brake and accelerating this will cause the motor to move back and fourth along with transmission and suspension. This is the proper way to diagnose this issue. Hoped this helped. Positive feedback and bonuses greatly appreciated.
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