Question about 1992 Nissan Sentra 4 Door
Akockristo: Let me see if I can help. Engine mounts, when they fail, allow a lot of movement which translates into "Clunking or thumping" noises under initial acceleration.
Here is a test you can do but it will require the help of a friend.
With the car in a safe area, parked. Open the hood and have your friend stand to the side of the car with his or her feet away from getting run over.
You will be in the car and will have the parking brake set and will hold the brake while you put the car in a forward gear. With it in gear apply power while holding the brake and have you friend watch the engine. If the engine jumps or lifts significantly, that will confirm my suspicion that you have a motor mount which as failed..
Now test the car in reverse to see if you have a problem with the opposite mount.
You can have you friend be the driver if you want.
Sometimes if you can find a safe place and a curb the right height, you can also use the curb as another means of blocking the front wheels as you apply power.
The next test would be for checking the axles. Usually if you make sharp turns in a parking lot you will hear a Crack, crack type sound if the CV joints are failing sometimes it can be mistaken for a clunk when in a straight position.
Posted on Apr 28, 2009
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