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Tech501
Tech501, Auto Service Technician
Category: Car
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Experience:  38 years exp, ASE Mastertech with L1 Advanced Engine performance
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backing..slightly dented the tail pipes..Now I hear a clunking

Customer Question

Last week while backing into a parking space I tapped a low retaining wall that slightly dented the tail pipes. Now I hear a clunking when I accelerate and sometimes when I take my foot off the accelerator. It also happens when the car is racing slightly and put into gear. I noticed when faced downhill & the car is put into park without using the ememgency brake it seems to run rough and feels like it wants to stall.
Submitted: 11 years ago.
Category: Car
Expert:  Tech501 replied 11 years ago.
 You'll have to examine it on a lift to determine if the system was pushed forward and possibly hitting the frame somewhere now.
Customer: replied 11 years ago.
Reply to Tech501's Post: I just had the muffler shop look it over and they find nothing wrong...all brakets are in place and there is no clunking when the system is shaken...In fact there is very little play
Expert:  Tech501 replied 11 years ago.
 Then's it's probably a broken motor mount. If you open the hood and have someone watch the engine while you hold the brake and apply some throttle. you should see the engine move and see which mount is broken.

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