seized brake piston

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Apr 28, 2014 | 11:28 PM

savage388

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seized brake piston

In the middle of my ls1 brake swap I couldn't get the one piston on the drivers side piston to compress no matter what I try, buying and replacing the control arms used up all of my emergency money so I'm broke until next Friday and I need the car back tomorrow for work. Can anyone help? I think I'm screwed.

Apr 29, 2014 | 01:33 AM

MasterTomos

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Got an air compressor? Take the caliper off and take out the bleeder screw and put an air nozzle up to it and try to press the cylinders free (put a board in there so they don't shoot out across the garage/shop-because they will lol)

Assess any issues once you get them out.

Apr 29, 2014 | 02:15 AM

savage388

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Quote:

Originally Posted by MasterTomos

Thanks I'll try this tomorrow, hopefully the piston just needs sanded a bit

Apr 29, 2014 | 07:56 AM

therealcreeper

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this happened to me on saturday

I had no luck with compressed air, but I was able to stick a block to hold the good piston and just press the brake to get the other one to move outward. I didn't pop it all the way out, I just wanted to see if it moved at all and whether or not I could push it back in afterward

I don't screw around with brakes though. If it's frozen it's probably rusty, and if it's rusty it's probably pitted. I went and just bought a new caliper.