GMC is a manufacturer of trucks and sport utility vehicles. The brake rotors ensure the brake pads have a smooth surface to apply pressure, when the brakes are engaged. A warped rotor will cause the vehicle to vibrate when coming to a stop. Replacement of the rotor will not take long, once the truck is raised.
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Things you need
- Tire tool
- Jack stands
- Socket wrench
- Socket set
Ensure the truck is parked on a level surface. Set the parking brake, and chock the back wheel.
Loosen the lug nuts on the front wheels with a tire tool. Do not remove the lug nuts, until the truck is raised off the ground.
Place a jack under the cross member of the front of the truck. Raise the truck high enough to place the jack stands under the front crossmember. Lower the truck on to the jack stands.
Remove the lug nuts from the wheel. Take the wheel off, and place it to the side.
Locate the caliper, resting on the top of the rotor. Loosen the bolts at the back of the caliper with a socket wrench. Pull the caliper off the back of the rotor, by hand, after the bolts are removed.
Pull the brake pads out of the holder by hand. Unbolt the brake pad holder with a socket wrench. Pull the holder off the rotor.
Pull the rotor off the hub assembly by hand. Tapping the rotor with a hammer will loosen it, if it is stubborn.
Slide the new rotor on to the hub assembly. The rotor will rest on the studs.
Bolt the brake pad holder over the rotor with a socket wrench. Insert the brake pads onto the holder.
Rest the caliper over the brake pad holder. Tighten the bolts with a socket wrench, to secure it in place.
Place the wheel back on to the axle. Repeat steps to replace the remaining rotor.
Tighten the wheels, by tightening the lug nuts with a tire tool. Tighten them in a crisscross pattern, to ensure the wheel is tightened correctly.
Raise the truck, and remove the jack stands. Lower the truck to the ground.
Double check all the lug nuts, to ensure they are all tight. Check both wheels.
Test drive the truck, to ensure the truck brakes smoothly and without any vibrations.
Tips and warnings
- Replace the old brake pads with new pads, while the brakes are disassembled.
- Use caution while working under the truck. Ensure the back wheel is chocked and the parking brake is set.
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- "Chevrolet Silverado and GMC Sierra Haynes Repair Manual for 1999 through 2006 Full-size Light-duty Gasoline Engine Models. Includes 2000 through 2006 Suburban, Tahoe, Yukon, Yukon XL, Sierra Denali. 2001 through 2006 Yukon Denali. 2002 through 2006 Chevrolet Avalanche. 2007 Chevrolet Silverado Classic and 2007 GMC Sierra Classic and Sierra Denali Classic."; John Haynes; 2007