How to replace the rear brake disc on GMC Sonoma?

The rear Brake Disc replacement requires obtaining the wheel hub resurfacing kit as item j42450-a. Start by taking off the brake caliper without its hose then removing both the brake pads and caliper attach point. Take out the disc retainers made from sheet metal and examine the Brake Disc. Resurface and install the disc if needed. Before starting ensure the axle flange has no rust or foreign matter using the wheel hub resurfacing kit (J42450-A) or the disc replacement will affect lateral runout and brake performance. First put on either fresh brake discs or service ones and follow with the brake caliper mount installation. Next add the brake pads before attaching the brake caliper. Keep the vehicle stationary until you get complete brake pedal resistance to protect yourself from getting injured.

OEM GMC Sonoma Brake Disc

Disc Rotor

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7 Brake Discs found

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GMC Sonoma Front Hub & Rotor Assembly Part Number: 15602574
Product Specifications
- Other Name: Rotor Assembly, Front Brake; Disc Brake Hardware Kit; Brake Rotor; Rotor
- Position: Front
- Replaced by: 19202728
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1991 GMC Sonoma | Base, SLE | 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS, 6 Cyl 4.3 L GAS
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GMC Sonoma Brake Rotor, Front Part Number: 19174912
$49.39 MSRP: $88.20
You Save: $38.81 (44%)
Product Specifications
- Other Name: Rotor Assembly, Front Brake; Disc Brake Hardware Kit; Rotor; Rotor, Front And Rear Wheel Brake
- Position: Front
- Replaces: 18027660
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1991-1997 GMC Sonoma | Base, GT, SL, SLE, SLS | 4 Cyl 2.2 L GAS, 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS, 6 Cyl 4.3 L GAS
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GMC Sonoma Brake Rotor, Front Part Number: 19211905
Product Specifications
- Other Name: Rotor Assembly, Front Brake (W/Hub); Disc Brake Hardware Kit; Rotor; Rotor, Front And Rear Wheel Brake
- Position: Front
- Replaces: 18060219, 15733699, 19152694, 18060691
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1997-2004 GMC Sonoma | SL, SLE, SLS | 4 Cyl 2.2 L FLEX, 4 Cyl 2.2 L GAS, 6 Cyl 4.3 L GAS
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GMC Sonoma Hub & Rotor, Front Part Number: 19202728
Product Specifications
- Other Name: Rotor Assembly, Front Brake; Disc Brake Hardware Kit; Brake Rotor; Rotor; Rotor, Front And Rear Wheel Brake
- Position: Front
- Replaces: 15602574, 19152699, 18060217, 15725351
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1991-2003 GMC Sonoma | Base, GT, SL, SLE, SLS | 4 Cyl 2.2 L FLEX, 4 Cyl 2.2 L GAS, 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS, 6 Cyl 4.3 L GAS
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GMC Sonoma Brake Drum, Front Part Number: 18060242
Product Specifications
- Other Name: Rotor Assembly, Front Brake; Brake Rotor; Hub & Rotor; Front Hub & Rotor Assembly; Rotor; Rotor, Front And Rear Wheel Brake
- Position: Front
- Replaces: 15606249, 18040476
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1991-1995 GMC Sonoma | Base, GT, SL, SLE, SLS | 4 Cyl 2.2 L GAS, 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS, 6 Cyl 4.3 L GAS
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GMC Sonoma Rotor Part Number: 15733196
Product Specifications
- Other Name: Rotor, Front And Rear Wheel Brake; Brake Rotor
- Position: Rear
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1998-2004 GMC Sonoma | SL, SLE, SLS | 4 Cyl 2.2 L FLEX, 4 Cyl 2.2 L GAS, 6 Cyl 4.3 L GAS
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GMC Sonoma Rotor Part Number: 15704667
Product Specifications
- Other Name: Rotor, Front And Rear Wheel Brake; Brake Rotor
- Position: Rear
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1997-2004 GMC Sonoma | SL, SLE, SLS | 4 Cyl 2.2 L FLEX, 4 Cyl 2.2 L GAS, 6 Cyl 4.3 L GAS

GMC Sonoma Brake Disc

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The Brake Disc of GMC Sonoma vehicles is a brake disc assembly part on which brake pads make contact to slow and stop the vehicle. The rotor is installed on the axle or hub and rotates with the wheel when the brakes are applied; the calipers squeeze the pads on both sides of the rotor. Cooling fins in the rotors make them to be more effective in cooling compared to the solid rotors; some vehicles use the vented rotors in front and the solid rotors at the back. Both rotors are mainly made of cast iron but materials vary on the design of the rotor; a rotor maybe composite, a cast iron friction surface and have a steel center part. Inspection is also necessary to note damages such as scoring, grooving, and; excessive run, and replacement rotors are suggested for optimal and perfect repair work.

GMC Sonoma Brake Disc Parts Questions & Experts Answers

Rotor
15704667
Q: How to replace the rear brake disc on GMC Sonoma?
A:
The rear Brake Disc replacement requires obtaining the wheel hub resurfacing kit as item j42450-a. Start by taking off the brake caliper without its hose then removing both the Brake Pads and caliper attach point. Take out the disc retainers made from sheet metal and examine the Brake Disc. Resurface and install the disc if needed. Before starting ensure the axle flange has no rust or foreign matter using the wheel hub resurfacing kit (J42450-A) or the disc replacement will affect lateral runout and brake performance. First put on either fresh brake discs or service ones and follow with the brake caliper mount installation. Next add the brake pads before attaching the brake caliper. Keep the vehicle stationary until you get complete brake pedal resistance to protect yourself from getting injured.