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

Asked by MrB9168 Apr 22, 2016 at 11:21 PM about the 2004 Mercury Mountaineer Convenience AWD

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?

223,885

Rowefast answered 8 years ago

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.

Mark helpful

Your Answer:

Loud thump when putting car in drive or reverse. No lights on, no leaks. What could this be? 1 Answer

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

2004 Mercury Mountaineer Convenience AWD

-

Maintenance & Repair
2009 Mercury mountaineer tail lights didn't work replaced bulbs and 15 amp fuse, still not working. What is other option to fix or what problem could be? 2 Answers

Tail lights went out. Replaced both bulbs and 15 amp fuse, they are still not working, what else could be causing the problem? The head lights, brake lights, and turn signals all work fine.

2009 Mercury Mountaineer AWD

-

Maintenance & Repair
Sometimes the car won't go into reverse or drive? 1 Answer

I can put my foot on the brake, and it is really hard to get out of park sometimes. The selections when it does go into gear is not necessary on the correct one but will go.

2005 Mercury Mountaineer

-

Maintenance & Repair
I have a 2003 Mercury Mountaineer V6. I replaced the spark plugs, wires,and coil. It has a slight tapping sound coming from the engine and, there seems to be little or no spark from the wires on one side when the wires were pulled while engine running. 1 Answer

The wires were pulled off while the engine was running and what i think are the 1,2,and 3 cylinders had lots of arcing coming from the wires when they were pulled. On the other side, there was litt...

2003 Mercury Mountaineer Convenience AWD

-

Maintenance & Repair
Please help just pickedn up my 2005 mercury mountaineer from repair shop and now my abs and awd locked lights on after getting a valve gasket cover replaced. what could be the cause? 1 Answer

car stopped on me 3 times on my way home from work, managed to get it to a friends house after letting it sit 15min between shut off. Came back 2 weeks later to see if I could get it to a shop and it ...

2005 Mercury Mountaineer

-

Maintenance & Repair

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use. Content will be removed if CarGurus becomes aware that it violates our policies.