Rear end bounce
Thread Starter
|
Senior User
Joined: May 2002
Posts: 495
Likes: 0
Rear end bounce
After I installed the 18" Michelin AT2s LTs, I have been getting a harmonic "bounce" in the rear of my 07 PSD SD CC.
It occurs at about 45 mph and seems to initiate when I hit a small bump in the roadway. Consequently, it doesn't happen all the time.
When it does occur, a little bit of gas or a little bit of brake makes it go away.
Air pressures doesn't seem to affect it. Anything from 65psi to 80 psi sees the same result.
I have new Bilstein HDs on the truck.
It doesn't feel like a balance issue.
I inspected the driveline and didn't see anything loose or any evidence of it shaking.
I took it back to NTB hoping to get a balance check and tire rotation to attempt to move or eliminate the problem.
But the "mechanic" was convinced that it was a warped rotors without ever looking at the truck much less driving it. I've felt the "shake" feedback that warped rotors gives. This is a bounce, like you feel with a cab-over, short wheel base tractor with no trailer attached and you tap the brakes.
After all that, anyone have any suggestions on where to look to solve this problem?
It occurs at about 45 mph and seems to initiate when I hit a small bump in the roadway. Consequently, it doesn't happen all the time.
When it does occur, a little bit of gas or a little bit of brake makes it go away.
Air pressures doesn't seem to affect it. Anything from 65psi to 80 psi sees the same result.
I have new Bilstein HDs on the truck.
It doesn't feel like a balance issue.
I inspected the driveline and didn't see anything loose or any evidence of it shaking.
I took it back to NTB hoping to get a balance check and tire rotation to attempt to move or eliminate the problem.
But the "mechanic" was convinced that it was a warped rotors without ever looking at the truck much less driving it. I've felt the "shake" feedback that warped rotors gives. This is a bounce, like you feel with a cab-over, short wheel base tractor with no trailer attached and you tap the brakes.
After all that, anyone have any suggestions on where to look to solve this problem?
Thread
Thread Starter
Forum
Replies
Last Post
F250_JR
1999 - 2003 7.3L Power Stroke Diesel
23
Oct 30, 2018 10:02 AM
