while going down the hwy,,, I can give my car gas and it vibrates,,, Let off the gas and it smooths out.... Both drive shafts have been replaced about 6 months ago..
Got any Ideas???

 

The motor runs fine.. So I dont beleive its in the engine...

 

Have you ruled out bad tires?

 

is the car vibrating or is it like a vibrating sound that you hear?

 

Seams like the front end is Vib... ruled out tires are good..
Its a bad Vib... but it smooths out when I let off the gas..
Smooth as glass.....

 

Inner CV joints have slung out all the grease and worn divots in the joint housing, happens all the time on those 80 models

 

I will check that out and see.... guess I might put it up on a jack stand ad run it and see if I can see what is going on,,, Thanks

 

well when you raise the car it changes the position of the bearings in the inner CV joint.
When they "reman" the CV joints they plunge out the housing to put in an oversized bearing. That removes the case hardening, leaving a softer steel than the hardened bearing.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by ronqqq &raquo;</TD></TR><TR><TD CLASS="quote">I will check that out and see.... guess I might put it up on a jack stand ad run it and see if I can see what is going on,,, Thanks</TD></TR></TABLE>Drive it up on ramps, so the suspension is roughly where it sits during normal driving.

Get underneath & grab an axle. Try to move it every which way. It shouldn't really be loose. Maybe some axial motion, I'm not sure how much is acceptable. But I sure wouldn't want to see much radial motion.

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by hondadude &raquo;</TD></TR><TR><TD CLASS="quote">When they "reman" the CV joints they plunge out the housing to put in an oversized bearing.</TD></TR></TABLE>That's interesting, I didn't know that. But I'm trying to understand it... Are you talking about the inner driver? So they put on a tripod with oversized bearings?

 

Well you have to take into consideration as to whether or not the axles are OEM remans or napa/autozone knock offs.. I've seen many aftermarket axles that are the wrong length, either too short or too long..