Howdy,
My e30 was making some grinding sounds at certain turning angles while moving slowly. the grinding goes away when i engage the clutch, which originally led me to believe it was my diff. well now my new 3.73lsd is in the car and it still grinds when going in a circle, i recently replaced my rear wheel bearings as well. The only conclusions im reaching are that its either my CV axles grinding and they are far beyond the point of saving, or that my subframe and rear trailing arms are deflecting under engine load to the point that something rubs? at one point i laid under the car and had my friend slowly go forward and i felt some clicking/vibrations in the axle...but i guess that is also connected to the wheel bearings and they could have failed for some reason? the reason i dont suspect wheel bearings is because i replaced them recently to cure a different sound which has gone away, and they feel great at highway speeds. rolls easily on the ground etc.
could my RTA or subframe bushings be so fooked that when under load from the engine, they deflect to the point of something rubbing?
im going to be dropping the subframe soon trying to diagnose this but would really like some input
My e30 was making some grinding sounds at certain turning angles while moving slowly. the grinding goes away when i engage the clutch, which originally led me to believe it was my diff. well now my new 3.73lsd is in the car and it still grinds when going in a circle, i recently replaced my rear wheel bearings as well. The only conclusions im reaching are that its either my CV axles grinding and they are far beyond the point of saving, or that my subframe and rear trailing arms are deflecting under engine load to the point that something rubs? at one point i laid under the car and had my friend slowly go forward and i felt some clicking/vibrations in the axle...but i guess that is also connected to the wheel bearings and they could have failed for some reason? the reason i dont suspect wheel bearings is because i replaced them recently to cure a different sound which has gone away, and they feel great at highway speeds. rolls easily on the ground etc.
could my RTA or subframe bushings be so fooked that when under load from the engine, they deflect to the point of something rubbing?
im going to be dropping the subframe soon trying to diagnose this but would really like some input
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