Rattle/knocking from under car.

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Maple191

Member
Mar 21, 2012
317
0
16
Toronto
Hey guys I dont know if this has been discussed before, so please dont flame me for this if this is a repost. Anyway, when im driving anything over 20km/h I can hear and feel a rattle from underneath the car. It sounds like something keeps bouncing off the floor, cause I can also feel it in my heels as im driving. I thought it was my stock driveshaft because also the shaft has a new hanger bearing. I could see it was out of phase so I sent it out for a rephase and balance but the noise and the feeling of something hitting is still there.

BTW my car is a late '89 turbo R154 targa. Stock except for the clutch and the exhaust. The car has 113,000 km's which is about 68,000 miles
 
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Maple191

Member
Mar 21, 2012
317
0
16
Toronto
No its not so much a vibration. And no it doesnt change with engine speed, the only thing is its very consistant when going over 20 km'h also not the knock/rattle goes away or seems to be less obvious if turning right, turning left is still their. I know that discription would cause it to sould like a wheel bearing but the wheels dont have any free play.
 
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Maple191

Member
Mar 21, 2012
317
0
16
Toronto
Yeah turns out R/F wheel bearing has no play but excessily loud. I drove the car like this for 10,000km (6000miles) If you spin it fast enough in the air you can actually hear the clunk/thud. This is the part you can feel knocking in the car.
 
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