How to Replace a Hydraulic Brake Booster on GMC C3500?

One should start Brake Booster (3500HD) replacement by taking out the negative Battery Cable while also applying the parking brake. The booster assembly requires disconnecting its inlet hose and steering gear as well as its return hoses. First remove master cylinder nuts and then take out the master cylinder followed by the wiring harness bracket and spacer from the booster assembly. You must begin your installation process by taking out the stoplamp switch followed by removing the Pushrod from the brake pedal pin then the booster nuts because these parts precede the booster assembly and its gasket removal. Begin by installing the gasket followed by the booster assembly then screw the booster nuts to 36 nm (26 ft. Lbs.). Install the Pushrod onto the brake pedal pin after which install the stoplamp switch. Begin the installation by adding the spacer followed by the wiring harness bracket and master cylinder onto the booster assembly using torque of 30 nm (20 ft. Lbs.) to the master cylinder nuts. The return hose and steering gear as well as inlet hoses need to be connected and then the negative Battery Cable must be reconnected and finally the hydraulic booster system needs bleeding.

OEM GMC C3500 Brake Booster

Brake Power Booster

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GMC C3500 Brake Booster
Part Number: 15597788
$548.15 MSRP: $678.70
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Product Specifications
- Other Name: Booster, Power Brake (Hydraulic); Booster, Hydraulic Power Brake Booster; Booster, Vacuum Power Brake
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-1989, 1985-1986 GMC C3500 | Base, High Sierra, Sierra, Sierra Classic, Sierra SLE, Sierra SLX | 6 Cyl 4.8 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 7.4 L GAS
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GMC C3500 Brake Booster
Part Number: 19371352
Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster
- Replaces: 15150633, 15710166, 15757258, 15192200, 15003100
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2000 GMC C3500 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
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GMC C3500 Brake Booster
Part Number: 18060045
Product Specifications
- Other Name: Booster, Vacuum Power Brake
- Replaces: 18010582
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984 GMC C3500 | Base, High Sierra, Sierra Classic | 6 Cyl 4.8 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 7.4 L GAS
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GMC C3500 Brake Booster
Part Number: 18029985
Product Specifications
- Other Name: Booster, Power Brake; Booster, Hydraulic Power Brake Booster
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1994-1995 GMC C3500 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
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GMC C3500 Brake Booster
Part Number: 18029961
Product Specifications
- Other Name: Booster, Power Brake (Vacuum); Booster Assembly; Booster, Vacuum Power Brake
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1997 GMC C3500 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
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GMC C3500 Brake Booster
Part Number: 14019978
Product Specifications
- Other Name: Booster Assembly, Power Brake Booster (Hydraulic); Booster Assembly, Power Brake Booster (Hydraulic); Hydraulic Power Brake Booster
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-1989, 1984-1986 GMC C3500 | Base, High Sierra, Sierra, Sierra Classic, Sierra SLE, Sierra SLX | 6 Cyl 4.8 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 7.4 L GAS
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GMC C3500 Brake Booster
Part Number: 18060072
Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster; Booster, Vacuum Power Brake
- Replaces: 18013061
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1991-1994 GMC C3500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
View related parts
GMC C3500 Brake Booster
Part Number: 18060061
Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster; Booster, Vacuum Power Brake
- Replaces: 18012114
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1990 GMC C3500 | Sierra, Sierra SLE, Sierra SLX | 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 7.4 L GAS
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GMC C3500 Brake Booster
Part Number: 15607067
Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1990 GMC C3500 | Sierra, Sierra SLE, Sierra SLX | 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 7.4 L GAS
View related parts
GMC C3500 Brake Booster
Part Number: 15607066
Product Specifications
- Other Name: Booster, Power Brake (Hydraulic); Booster, Hydraulic Power Brake Booster
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1991-1993 GMC C3500 | Sierra, Sierra SLE, Sierra SLX | 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS

GMC C3500 Brake Booster

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GMC C3500 Brake Booster Parts Questions & Experts Answers

Brake Booster
19371352
Q: How to Replace a Hydraulic Brake Booster on GMC C3500?
A: One should start Brake Booster (3500HD) replacement by taking out the negative Battery Cable while also applying the parking brake. The booster assembly requires disconnecting its inlet hose and steering gear as well as its return hoses. First remove master cylinder nuts and then take out the master cylinder followed by the wiring harness bracket and spacer from the booster assembly. You must begin your installation process by taking out the stoplamp switch followed by removing the Pushrod from the brake pedal pin then the booster nuts because these parts precede the booster assembly and its gasket removal. Begin by installing the gasket followed by the booster assembly then screw the booster nuts to 36 nm (26 ft. Lbs.). Install the Pushrod onto the brake pedal pin after which install the stoplamp switch. Begin the installation by adding the spacer followed by the wiring harness bracket and master cylinder onto the booster assembly using torque of 30 nm (20 ft. Lbs.) to the master cylinder nuts. The return hose and steering gear as well as inlet hoses need to be connected and then the negative Battery Cable must be reconnected and finally the hydraulic booster system needs bleeding.

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