How to replace the vacuum brake booster on GMC Sonoma?

Apply the parking brake then take out the master cylinder from the vacuum booster while supporting the booster afterward. First unplug the check valve from the vacuum booster and then take out the left control panel cover. First remove the brake pedal pin retainer and afterward take down the stop lamp switch and Pushrod in sequence. Unbolt both the vacuum booster mounting nuts then pull out the vacuum booster assembly with its gasket. First secure the vacuum booster assembly onto its gasket then fit the vacuum booster mounting nuts and torque them to 40 nm . Place the Pushrod onto the brake pedal pin then connect all parts starting with the steering column support bracket and stop lamp switch. Lock the Pushrod retainer into position through its snap mechanism. Complete the job by putting back the cover and insulator panel on the left side along with the check valve to the vacuum booster and the master cylinder.

OEM GMC Sonoma Brake Booster

Brake Power Booster

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9 Brake Boosters found

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GMC Sonoma Brake Booster Part Number: 18060194
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 GMC Sonoma | SL, SLE, SLS | 4 Cyl 2.2 L GAS, 6 Cyl 4.3 L GAS
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GMC Sonoma Brake Booster Part Number: 18014955
Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster
- Replaced by: 18060102
- 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 Booster Part Number: 18014931
Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster
- Replaced by: 18060101
- 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 Booster Part Number: 18060198
Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster
- Replaces: 18022131
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1994 GMC Sonoma | SL, SLE, SLS | 4 Cyl 2.2 L GAS, 6 Cyl 4.3 L GAS
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GMC Sonoma Brake Booster Part Number: 18060102
Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster; Booster, Vacuum Power Brake
- Replaces: 18014955
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1991-1993 GMC Sonoma | Base, GT, SLE, SLS | 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 Booster Part Number: 18060101
Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster; Booster, Vacuum Power Brake
- Replaces: 18014931
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1991-1993 GMC Sonoma | Base, GT, SLE, SLS | 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 Booster Part Number: 18029999
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:
- 1995-1997 GMC Sonoma | SL, SLE, SLS | 4 Cyl 2.2 L GAS, 6 Cyl 4.3 L GAS
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GMC Sonoma Brake Booster Part Number: 18014925
Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster; Booster, Vacuum Power Brake
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1991-1994 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 Booster Part Number: 15234951
Product Specifications
- Other Name: Booster, Power Brake; Booster, Hydraulic Power Brake Booster
- Replaces: 18029871
- 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

GMC Sonoma Brake Booster

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The Brake Booster on GMC Sonoma vehicles plays a very significant part of bringing out high brake performance while minimizing the effort from the driver. Located between the brake pedal and the master cylinder, it either by vacuum or hydraulic means, augments the force exerted on the brakes. Vacuum-operated boosters make use of the disparity in vacuum pressure of the engine and the atmospheric pressure, hydraulic boosters on the other hand use the hydraulic pressure from the power steering pump or an electric assembly. GMC Sonoma of the years has occasioned vacuum and hydraulic brake boosters, although there are differences in the number of diaphragms or the diameter. In general, boosters with the larger diameter supply more power assistance, however, the twin-diaphragm boosters can likewise deliver the same kind of help in somewhat less area. This versatility means that perfect braking solution for specific car, whether it has been restored to factory standard or has been built from ground up bespoke can be achieved.

GMC Sonoma Brake Booster Parts Questions & Experts Answers

Brake Booster
15234951
Q: How to replace the vacuum brake booster on GMC Sonoma?
A:
Apply the parking brake then take out the master cylinder from the vacuum booster while supporting the booster afterward. First unplug the check valve from the vacuum booster and then take out the left control panel cover. First remove the brake pedal pin retainer and afterward take down the stop lamp switch and Pushrod in sequence. Unbolt both the vacuum booster mounting nuts then pull out the vacuum booster assembly with its gasket. First secure the vacuum booster assembly onto its gasket then fit the vacuum booster mounting nuts and torque them to 40 nm . Place the Pushrod onto the brake pedal pin then connect all parts starting with the steering column support bracket and stop lamp switch. Lock the Pushrod retainer into position through its snap mechanism. Complete the job by putting back the cover and insulator panel on the left side along with the check valve to the vacuum booster and the master cylinder.