Loud thump when putting car in drive or reverse. No lights on, no leaks. What could this be?

Asked by Apr 22, 2016 at 11:21 PM about the 2004 Mercury Mountaineer 4 Dr STD AWD SUV

Question type: Maintenance & Repair

There is a loud thump when putting the car in drive or reverse.  No service
lights are on, no leaks.  What could this be?

1 Answer

74,645

It is probably in the drive line. Should have the CV axle shafts, and drive shaft inspected. A clunking means something is very worn out and break if not fix soon.

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