 Rear Caliper, Is bench testing doable ? |
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| jim_hoyland |
 Jun 21 2022, 04:38 PM
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#1
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Get that VIN ?  Group: Members Posts: 9,270 Joined: 1-May 03 From: Sunset Beach, CA Member No.: 643 Region Association: Southern California 
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Helping a nearby Teener with the rear calipers. They are off the car.
1. Appear to have the outer seals replaced by previous owner 2. E-brake levers moves the inner pistons. 3. Want to test on the bench; is there any more that can be done before installing. |
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| Steve |
Jun 21 2022, 05:18 PM
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#2
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914 Guru Group: Members Posts: 5,570 Joined: 14-June 03 From: Orange County, CA Member No.: 822 Region Association: Southern California
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Adjust the inner and outer adjusting screws, which move the pistons in and out. At least this will tell you if something is frozen.
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| jim_hoyland |
Jun 21 2022, 05:47 PM
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#3
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Get that VIN ? Group: Members Posts: 9,270 Joined: 1-May 03 From: Sunset Beach, CA Member No.: 643 Region Association: Southern California
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QUOTE(Steve @ Jun 21 2022, 04:18 PM)  Adjust the inner and outer adjusting screws, which move the pistons in and out. At least this will tell you if something is frozen. Thanks, that’s good enough for now. |
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| mepstein |
Jun 21 2022, 05:55 PM
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#4
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914-6 GT in waiting Group: Members Posts: 19,253 Joined: 19-September 09 From: Landenberg, PA/Wilmington, DE Member No.: 10,825 Region Association: MidAtlantic Region
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You can also mount the caliper in a vise and move the e brake lever.
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| jim_hoyland |
Jun 21 2022, 06:04 PM
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#5
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Get that VIN ? Group: Members Posts: 9,270 Joined: 1-May 03 From: Sunset Beach, CA Member No.: 643 Region Association: Southern California
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QUOTE(mepstein @ Jun 21 2022, 04:55 PM) You can also mount the caliper in a vise and move the e brake lever. Yes; did that and both worked. Also noticed the 4mm hex inner adjuster cap is in good condition, only missing the copper washers. Replaced with 5 mm hex cap and copper washers |
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| r_towle |
Jun 21 2022, 06:53 PM
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#6
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Custom Member Group: Members Posts: 24,570 Joined: 9-January 03 From: Taxachusetts Member No.: 124 Region Association: North East States
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A properly sized block in between the pistons, the thickness of the rotor and two pads.
Then 150 psi shot of air into the brake line fitting. That will show you if that circuit works. |
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| rgalla9146 |
Jun 22 2022, 04:38 AM
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#7
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Advanced Member Group: Members Posts: 4,545 Joined: 23-November 05 From: Paramus NJ Member No.: 5,176 Region Association: None
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If you have a master cylinder a pedal assembly and some time on your hands..... Attached thumbnail(s)  
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| jim_hoyland |
Jun 22 2022, 05:29 AM
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#8
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Get that VIN ? Group: Members Posts: 9,270 Joined: 1-May 03 From: Sunset Beach, CA Member No.: 643 Region Association: Southern California
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QUOTE(r_towle @ Jun 21 2022, 05:53 PM) A properly sized block in between the pistons, the thickness of the rotor and two pads. Then 150 psi shot of air into the brake line fitting. That will show you if that circuit works. What is that thickness, approx ? I have asmall compressor, how do I connect into the bleeder ? |
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