axle vibrations
#1
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Hey guys,
has anyone had experience with Napa axles. I decided to lay some rubber in my driveway after pulling my car off the trailer when I got home from the dyno. Well I snapped a very tired 1994 4 bolt axle. So I decided to replace both with Napa brand axles that were splined on both ends.
after changing them I noticed a pretty decent rear end vibration and howling noise. at around 70mph.
my wheel bearing feel tight, axles feel tight but with it up on jack stands and in 6th gear I can see the axle shafts running out. Im not sure how much runout would be acceptable. The driveshaft is also a 1994 gem unit from my old race car.
I removed the wheels and bolted the rotors down and still got the vibration on the jack stands at 70mph. So that rules out wheel balance.
I guess my big question is how many people have had issues with replacement axles and how many people have had driveshaft issues.
has anyone had experience with Napa axles. I decided to lay some rubber in my driveway after pulling my car off the trailer when I got home from the dyno. Well I snapped a very tired 1994 4 bolt axle. So I decided to replace both with Napa brand axles that were splined on both ends.
after changing them I noticed a pretty decent rear end vibration and howling noise. at around 70mph.
my wheel bearing feel tight, axles feel tight but with it up on jack stands and in 6th gear I can see the axle shafts running out. Im not sure how much runout would be acceptable. The driveshaft is also a 1994 gem unit from my old race car.
I removed the wheels and bolted the rotors down and still got the vibration on the jack stands at 70mph. So that rules out wheel balance.
I guess my big question is how many people have had issues with replacement axles and how many people have had driveshaft issues.
#3
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Yeah I just ran it in the air to see if I could see anything going on with the wheels, the vibration came in at the same time as on the road. Im gonna pull the driveshaft and check out the U joints.
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