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09-06-2013, 12:36 PM | #21 |
Senior Member
Join Date: Dec 2010
Location: FRESNO, CA
Posts: 12,560
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Re: Brakes and frame flex
Alone at my shop one night, couldn't push Cindy's VW, without the motor, up my dad blamed RAMP!! Putt'er in first gear, snapped Vice-Grips on the trans input shaft, & spun 'er up the "HILL" with ONE FINGER! Bill W.
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09-07-2013, 12:12 PM | #22 |
Junior Member
Join Date: Jul 2010
Location: Toronto, ON Canada
Posts: 10
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Re: Brakes and frame flex
Has anyone taken a look at the wishbone itself? Just check along the length of each arm to ensure it's straight from the ball to the perch pins. If you have brakes that lock up, on the front, a bent wishbone (even a 1/8 - 1/2") will change the caster on the wheels. It will also move your expected 15 degree front brake actuating arms "forward tilt" back a few degrees into the "actuating" mode. = brakes are being applied. This gets accentuated whenever you go over any bumps that lifts the axle up sharply, thus the brakes are on.
After you've followed the advice of the prior submitted advisors, just take a moment to use a known good straight edge and check the wishbone itself. I have two bent ones to prove this theory, and no idea as to how to straighten them back to original shape. Any ideas? Philip |
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09-07-2013, 05:16 PM | #23 |
Senior Member
Join Date: May 2010
Location: Wheeling, WV - U.S.A.
Posts: 241
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Re: Brakes and frame flex
Thanks to all for your excellent suggestions and help. After some more thought and inspection...and trying to replicate the problem at will, I narrowed the problem to the driver's side front. Sure enough as several of you suggested ( I think Bill Williamson was first?) it appears the brake rod now has a bend in it where it was hitting the driver side shock, thus shortening the rod and applying the brake. At first I thought the rears were affected but it appears it was only the left front.
Thanks again, Brian W. |
09-07-2013, 07:14 PM | #24 |
Senior Member
Join Date: Mar 2013
Location: Australa Melbourne
Posts: 878
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Re: Brakes and frame flex
Check the bones for loose or worn coupling
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