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Vibration mysteries S70 1998

posted by  Chasing-the-Wind on  Sun Nov 16 15:42 CST 2003
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My 1998 S70 w/105k vibrates under all but light braking at any speed. I've replaced all four rotors (FCP Groton) and pads (OEM-dealer), checked each caliper pistons and guides for free movement, replaced two failed motor mounts, installed Bilstein Touring struts, shocks and mounts.

The ride is much better but, the pulsing shake on hard braking remains. I feel the shake everywhere - seat, pedals and wheel. There is no traditional noise from the front end in any position of the wheel - no click, grind or groan. Only from me!

Off the ground on jacks, there is no noticable play in the front end that I can determine. The tires are at about 50% and just balanced and rotated.

Each step made no difference in the pounding pulsing vibration at braking. No other symptoms. I pulled the ABS fuse to disable the system (I think) with no change.

Any ideas?






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New Vibration mysteries [S70][1998]
posted by  Chasing-the-Wind  on Sun Nov 16 15:42 CST 2003 >


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