I have a 1998 cavalier 2.2 liter automatic transmission that after running at highway speeds 55-80 stalls at stopping. I put my car into neutral, start it up (has no problems restarting) Then when I shift into drive from neutral it clunks hard, then clunks hard again from 1st, to 2nd gear, then clunks again but not so hard from 2nd to 3rd. I would assume that this is the motor mounts, however it only seems to happen after the car stalls. My check engine light turns on and off pretty randomly, and would assume that the light itself is malfunctioning. The car does not stall at every stop, and never stalls if not brought over 45, or if the car does not make it to standard running temp. Ive recently done a full tune up with the exception of the coil pack module.(Coil packs have been replaced, just not the module that holds them) I am unsure of how to check for vacuum leaks, so some VERY DETAILED information on doing that would probably be a great first step, But in all honesty I am NO MECHANIC, so I cant stress enough on detail.
Monday, August 27th, 2012 AT 9:53 PM