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Raymon ... 1/7/2020

1995 GMC C1500 Sierra SL 8 Cyl 5.70L


NeW brakes wont fit over new slotted rotors.

So i have a 95 gmc sierra c1500. I recently purchased new slotted rotors and brake pads that came together as a set, the first one i installed on the passanger side and fit fine but the one on the driver side, the space between the brake pads in the caliper is to thin and wont go over the rotor, i already compressed the caliper piston as far as humanly possible and it still doesnt fit. Any advice?

1 Answer


Jimm 1/8/2020

First question - are you referring to the front or rear disc brakes?

Try this additional step - open the caliper bleeder screw to relieve some of the hydraulic brake pressure - so the piston may be pushed back / retracted further into the piston bore.

If the piston still will not retract, then it's possible there is some damage or corrosion inside the caliper and piston bore.
If this is the case, then both the brake calipers (front or rear) on the same axle must be replaced at the same time - for safety sake. When replacing the calipers it is recommended to also replace the hydraulic brake hoses at the same time.

Try these on-line auto parts sources; www.autopartsanything.com; www.partsgeek.com; www.rockauto.com - to list a few.

In fact they (RockAuto) list the front brake caliper from around $13.50 each, and the front hydraulic hose from around $9.60 each for your vehicle.


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