pulls right under braking...
Thread Starter
Racer
Joined: Nov 2009
Posts: 486
Likes: 1
pulls right under braking...
80 vette. Stainless steel lines added, braided hoses at each caliper, new stock calipers, new stock rotors, hawk pads. All that was added a 1.5years ago which is when I took it off the road to re-do it. Now it is back on the road with new shocks, springs and 18" tires.
Pulls to the right under braking. I took it to get aligned which helped a lot. However, still pulls right at slower speeds but at high speeds it really pulls right.
What else can I check? Bled the system multiple times, I see no leaks, everything is new including the master cylinder. Not sure what else to check.
Also, here are the alignment specs in degrees... maybe this could be the problem?
FL-camber -0.6, caster 3.0, toe 0.31
FR - camber -0.6, caster 2.8, toe 0.29
RL - camber -0.3, toe .11
RR - camber -1.1, toe 0.08
Pulls to the right under braking. I took it to get aligned which helped a lot. However, still pulls right at slower speeds but at high speeds it really pulls right.
What else can I check? Bled the system multiple times, I see no leaks, everything is new including the master cylinder. Not sure what else to check.
Also, here are the alignment specs in degrees... maybe this could be the problem?
FL-camber -0.6, caster 3.0, toe 0.31
FR - camber -0.6, caster 2.8, toe 0.29
RL - camber -0.3, toe .11
RR - camber -1.1, toe 0.08
Last edited by glarior; Jan 30, 2012 at 12:26 PM.
Melting Slicks
Joined: May 2006
Posts: 2,590
Likes: 403
From: Nashville TN
St. Jude Donor '09
I had similar issue, but almost wrecked when I hit brakes at high speed . . . scared the crap out of me. My issue was front suspension. Same as you, I had replaced everything in the braking system. Mine worked great for a while, but then started pulling to the right under braking. I had replace everything in the suspension when I did the brakes, so everything was new. I thought it was issue with bleeding brakes, but fluid was free of air.
Someone suggested checking front suspension. When I looked underneath, sure enough, one of the lower control arm bolts had come out. Have you rebuilt your front suspension? Check it to make sure it is working correctly.
Someone suggested checking front suspension. When I looked underneath, sure enough, one of the lower control arm bolts had come out. Have you rebuilt your front suspension? Check it to make sure it is working correctly.
Thread Starter
Racer
Joined: Nov 2009
Posts: 486
Likes: 1
I had similar issue, but almost wrecked when I hit brakes at high speed . . . scared the crap out of me. My issue was front suspension. Same as you, I had replaced everything in the braking system. Mine worked great for a while, but then started pulling to the right under braking. I had replace everything in the suspension when I did the brakes, so everything was new. I thought it was issue with bleeding brakes, but fluid was free of air.
Someone suggested checking front suspension. When I looked underneath, sure enough, one of the lower control arm bolts had come out. Have you rebuilt your front suspension? Check it to make sure it is working correctly.
Someone suggested checking front suspension. When I looked underneath, sure enough, one of the lower control arm bolts had come out. Have you rebuilt your front suspension? Check it to make sure it is working correctly.
Talked to another alignment shop that was recommended from a corvette specialties shop and sent in the numbers from my car. He feels that the alignment may be the problem.
I will double check the bolts under the front end
Melting Slicks
Joined: Mar 2005
Posts: 2,838
Likes: 10
From: Austin TX
I'm a little confused on when problems arose but do this.
Raise the front of the car then rotate the RF wheel by hand. Is it dragging? (You should be able to spin it a full turn with moderate effort). If she's dragging, you may have some mechanical binding and here are some thoughts:
* Did you use the "anti-rattle shims" that attach to the back of the pads? If so, remove them.
* Foreign substance on the friction surfaces can cause the pads to grab and pull
* A bent caliper bracket will cause dragging
* A bent spindle will cause misalignment of the rotor and dragging brakes (I had this problem on a 69 Camaro that I had purchased; took me forever to diagnose)
* Did you say the calipers are new? Is your "floating" caliper able to float? In other words is it stuck in the bracket eliminating the caliper's ability to adjust to the pads?
Raise the front of the car then rotate the RF wheel by hand. Is it dragging? (You should be able to spin it a full turn with moderate effort). If she's dragging, you may have some mechanical binding and here are some thoughts:
* Did you use the "anti-rattle shims" that attach to the back of the pads? If so, remove them.
* Foreign substance on the friction surfaces can cause the pads to grab and pull
* A bent caliper bracket will cause dragging
* A bent spindle will cause misalignment of the rotor and dragging brakes (I had this problem on a 69 Camaro that I had purchased; took me forever to diagnose)
* Did you say the calipers are new? Is your "floating" caliper able to float? In other words is it stuck in the bracket eliminating the caliper's ability to adjust to the pads?
Last edited by 73, Dark Blue 454; Jan 30, 2012 at 04:01 PM.
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This is often a bad brake hose to the caliper. Being new isn't always a guarantee that you can rule that out.
Melting Slicks
Joined: Jul 2010
Posts: 2,503
Likes: 33
From: McGrady NC
St. Jude Donor '15-'16
Check your lower control arm frame mounts at the crossmember. Mine was doing the same thing and the bracket had broken loose from the frame really messing up the camber and ruining two new BFG T/A tires. Had the bracket welded back and braces added as insurance. Now it drives great again. Search this forum and you'll find more info with pictures. It is apparently a pretty rare problem but it does happen often enough to be documented here.
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