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Brian S.
New User
Nov 22, 2009, 4:48 PM
Post #1 of 6
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My front left disc caliper wont work. it was frozen so I bought two new ones and after installing them the right one works great but the left doesn't compress.
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way2old
Veteran
/ Moderator
Nov 22, 2009, 5:00 PM
Post #2 of 6
(3939 views)
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Re: 1979 Chevy c10
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Check the rubber hose that connects to the caliper.
Being way2old is why I need help from younger minds
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Brian S.
New User
Nov 22, 2009, 5:08 PM
Post #3 of 6
(3938 views)
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Re: 1979 Chevy c10
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I did. It looks fine not much fluid comes out of the hose when I press the pedal though. Any specific point that I should check or am I going to have to strip the truck apart to access the whole brake system?
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way2old
Veteran
/ Moderator
Nov 22, 2009, 6:26 PM
Post #4 of 6
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Re: 1979 Chevy c10
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If you open the bleeder and the piston depresses, the hose is plugged and not allowing fluid to return to the master cylinder. The hoses will deteriorate internally and cause a flap to drop down causing a "one way check valve". The fluid will go to the caliper, but not return.
Being way2old is why I need help from younger minds
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Brian S.
New User
Nov 22, 2009, 6:50 PM
Post #5 of 6
(3933 views)
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Re: 1979 Chevy c10
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can that flap go the other way and not let fluid in b/c the piston is not moving?
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way2old
Veteran
/ Moderator
Nov 23, 2009, 9:18 AM
Post #6 of 6
(3930 views)
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Re: 1979 Chevy c10
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If there is no fuid going in to the caliper, open bleeder and see if fluid is going to caliper. If no fluid comes out, you have to start going back to the next connection to find where the blockage is. Possibly the proprotioning(metering)valve may not be allowing fluid to go to the caliper.
Being way2old is why I need help from younger minds
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