Question about Chevrolet G20

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Left front caliper locs up on 94 chevy g20 van, have replaced caliper, wheel sensor but still locks up and won't release unles you loosen bleeder

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  • eddiefan83 Sep 30, 2009

    i'll try that

  • eddiefan83 Sep 30, 2009

    could this be an issue with my abs?

  • eddiefan83 Sep 30, 2009

    i'm sorry i should have added that my abs light is on

  • eddiefan83 Sep 30, 2009

    thanks for all your help I will do that in the morning

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Your problem is most likely a bad hose.
The rubber brake line from the fender to the caliper may be bad. They can swell and cause the caliper to stay applied after braking. Open the bleed screw and if the caliper releases then it is probably the hose.
The rubber hoses collapse internally, so while it may look OK from the outside, it will pass fluid to the caliper when you step on the brake pedal, but will not return to the m/c. This will also give you a hard brake pedal. Follow the advice above to diagnose bad hose.

Check it out!!

Posted on Sep 30, 2009

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If caliper is new, and sensor is new, I would check pressure, make sure to bleed, and make sure brake fluid retracts full back into the reservoir

Posted on Sep 30, 2009

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That is a bad brake hose! it has collapsed internally!

actually loosing the bleeder is how i check to see it it is a bad hose or frozen caliper when i get a locked up brake in the shop.

see when you loosen the bleeder it allows the fluid to release the pressure
and that tells me the hose won't let the fluid return to the reservoir.

now if you loosen the bleeder ad it doesn't let the caliper free up the caliper would have been bad.

but in this case your rubber brake hose is bad because it won't let fluid return!

good luck man

Posted on Sep 29, 2009

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