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Old 05-27-2018, 08:14 AM   #1
Truck55
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Default 04 Sun Voyager brakes

Anyone ever rebuilt a brake caliper? Is it hard to do or should I just by new ones?

Thanks

Dan
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Old 05-27-2018, 08:22 AM   #2
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Buy a new one.
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Old 05-30-2018, 08:35 PM   #3
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I replaced all 4 calipers. Now if I can just find the master cylinder so I can bleed them. Then I shouldn't have any more brake overheating
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Old 06-02-2018, 01:11 PM   #4
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Default New calipers

I replaced all 4 calipers. Bleed all air out of lines. Good stream of fluid at each caliper. But brake still feels spongy. Wasn't like that before I changed calipers.

Any help would be appreciated
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Old 06-02-2018, 01:33 PM   #5
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I replaced all 4 calipers. Bleed all air out of lines. Good stream of fluid at each caliper. But brake still feels spongy. Wasn't like that before I changed calipers.

Any help would be appreciated

Did you buy the calipers "loaded". That's with pads and fluid already in the calipers. If not then keep bleeding. it's a lot larger system than a car. If you can go rent an air bleeder. It replaces fluid as you crack each caliper open. This also serves to flush out the old fluid to a point.
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Old 06-03-2018, 06:49 AM   #6
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If you let the master cylinder go too low and it drew in air then there's probably some air trapped in the valves. Could take a lot of bleeding to get it out.
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Old 06-03-2018, 10:41 AM   #7
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Bought and installed unloaded calipers
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Old 06-03-2018, 10:47 AM   #8
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Bought and installed unloaded calipers
Yup, that's how I always do it.

If you can get the system to gravity bleed from the furthest caliper then it might bleed itself out. A vacuum bleeder hooked to the bleeder screw works good. Once you get it flowing sometimes it will keep flowing on it's own. Let that go for a couple quarts and then try it. MAKE SURE the master cylinder doesn't go too low.
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Old 06-03-2018, 07:50 PM   #9
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I bled them twice yesterday. 5 times today. 3 times manually and twice with a hand vacuum pump. Still have spongy pedal. If I pump it one time I have good pedal that holds and doesn't go down at all. When I manually bleed them it shoots 3' with strong stream. Before I changed calipers the brakes were fine just were sticking and getting hot.
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Old 06-03-2018, 07:57 PM   #10
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I bled them twice yesterday. 5 times today. 3 times manually and twice with a hand vacuum pump. Still have spongy pedal. If I pump it one time I have good pedal that holds and doesn't go down at all. When I manually bleed them it shoots 3' with strong stream. Before I changed calipers the brakes were fine just were sticking and getting hot.



Are you starting the motor and operating the power assist?
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