Driveshaft hitting heat shield?
I have a 3.5" one piece driveshaft. I was getting a bad vibration during acceleration and also a horrible noise while driving. I found that the driveshaft was hitting the top heat shield. I contacted the manufacturer and they had me send the shaft in for inspection. Come to find out, a piece was left out during assembly. They refurbished the shaft and sent it back to me. I reinstalled it, but I'm still getting the noise like it's rubbing the heat shield. The manufacturer says they've never had a driveshaft hit that shield, so something must be wrong with my car. What could cause this? Anyone else had this issue? Thanks.
http://i28.photobucket.com/albums/c2...S/075d872a.jpg |
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Can you bend the heat shield to get your clearance?
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One thing to consider: Even though our differential is theoretically stationary because of the independent rear suspension, I still think it will be slightly lower on the lift (relative to the gas tank) because you're subtracting a couple of thousand pounds that would normally push it up and adding several hundred pounds of wheels and suspension that are now pulling it down. I don't know if the difference would be great enough to explain your problem or not.
Of course, I'm making the assumption that you're lifting it by the frame. If it's a drive-up lift, it obviously won't affect your clearance. |
The drive shaft will also move slightly as the engine torques, which would explain why it only occurs when it's under a load. If you could modify that shield slightly, it might cure your problem.
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What about the transmission mounts?
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:emoticon14:
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Reinstalling the axle did not fix my problem. I had the car on the dyno yesterday and the operator felt the vibration. He said it felt like a bad u-joint. I'm also wondering if my pinion bearing was damaged when the driveshaft was hitting the heat shield. I'm tired of uninstalling and reinstalling stuff to try an figure this out.
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Shit.
Maybe the bolts on the drive shaft? :iono: |
Driveshaft hitting heat shield?
thats what she said |
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