Dragging rear brakes ?

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Jun 27, 2019 | 09:01 PM

UalCapt

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Joined: May 2010

Posts: 47

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From: Northern Virginia

Dragging rear brakes ?

Any ideas about dragging rear brakes on our '94 XJS? It's not the parking brake. Not sticking sliding calipers. Collapsed flexible brake lines suspected and replaced to no avail. It appears almost like the brake line pressure fails to release after application. Fronts are fine. We're stumped. Thanks!

Jun 28, 2019 | 02:27 AM

Crackerbuzz

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Joined: Jul 2018

Posts: 415

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Are yo sure you haven't dropped the shims from the dif housing?
(Shims from diff housing to caliper rail)

Or maybe these are outer mounted rotors?

Last edited by Crackerbuzz; Jun 28, 2019 at 02:31 AM.

Jun 28, 2019 | 05:59 PM

Time-Pilot

Senior Member

Joined: Oct 2013

Posts: 274

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From: Denver

94 has rear outboard brakes. It’s possible your solenoids up front are plugged are not working. There are some great threads on here about troubleshooting the TEVES II system, and repairing the solenoids.

Jun 28, 2019 | 06:32 PM

Jagboi64

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Joined: Jan 2013

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From: Calgary, Canada

Are you 100% sure it's not a dragging handbrake? I have found them very difficult to adjust to obtain a functional handbrake, and yet not drag, even with the IRS out of the car.

Jun 28, 2019 | 06:44 PM

Time-Pilot

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Joined: Oct 2013

Posts: 274

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From: Denver

Quote:

Originally Posted by Jagboi64

Are you 100% sure it's not a dragging handbrake? I have found them very difficult to adjust to obtain a functional handbrake, and yet not drag, even with the IRS out of the car.

This was my problem too when I overhauled my brakes.