Question about 2000 GMC Sierra

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Replaceing rotors when u replace rear dic brake rotor on gmc truck do u have to bleed the brakes

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No ... its not a bad idea to bleed the brakes to replace old fluid with clean new stuff ... the fluid likes to absorb water vapor so it should be replaced every now and then but you dont have to do it when replacing rotors unless you disconnect the brake hose. .. open the master cylinder while you compress the piston in case there is excess fluid .. there are a lot of bad brake pads on the market now ... typically they tear up the rotors because of poor metalic distribution in the pads .. so you might want to pay a bit more for wagners or other good makes ..

Posted on Oct 05, 2009

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No.

so long as the rotors are all your doing.

caliper replacement is a different story.

just be sure to use a short peice of bent coat hanger or something like it to support the weight of the caliper to that it all isn't being taken by the flex lines.

you can hang it off the frame, springs..what have you.

good luck


Posted on Oct 05, 2009

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No, only if you change the caliper.

Posted on Oct 05, 2009

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