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A Mouse And The Mustang

Q. I have a 1995 Mustang 3.8 liter. I have two problems I would like some help with. First sometimes when I take the car out of gear and put it in neutral the RPM's will shoot up to about 3000. Second there is a squeak coming from the front right wheel when ever I hit a small bump in the road. It is really quite annoying as it does it quite frequently. It sounds like it is rubbing.

Specs for my vehicle are...

  • 1995 Mustang LX 3.8
  • Manual Transmission
  • 81000 KM or 51000 Miles
  • Fuel Injection
  • I think it has ABS
  • Power steering
  • A/C
  • Cruise Control

I would appreciate any help you can give me on these problems.

A. There is a small dashpot that keeps the throttle flap from slamming shut. When you let go of the gas, the linkage hits this dashpot and then it slowly retracts until the throttle is closed. Sounds to me like this dashpot is not always retracting like it should. I would also check and make sure the throttle cable is not binding or hanging up. It should move freely in and out the full length of it travel.

Squeaks and rattles are the bane of any mechanic. I once spent four days trying to locate a rattle on a brand new Mercedes Benz and believe me, it was no fun. I, literally, took the front half of the car apart looking for it. There's a difference between a squeaking and a rubbing sound. A squeaking sound could be coming from a lower control arm or stabilizer bar bushing.

Usually soaking the bushings with CRC 5-56 will take it out. The rubbing could be a tire or wheel rubbing on the inside fender well or strut housing. On some models the clearance is so close that if replacement tires are even a little bit larger they will rub. In this case there's nothing like a close visual inspection.

Bounce the right front up and down and see if you can hear the noise. If you can then get under the car and touch the bushings. Making sure your hands are clear of moving parts, have someone bounce the car and you will feel where the noise is coming from. If something is rubbing, there will be a small, shiny spot where the rub is occurring.

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