How do you replace the power brake booster assembly?

The power brake booster assembly is in the engine compartment on the driver's side firewall. Remove the brake master cylinder and disconnect the vacuum hose from the booster assembly. Inside the car, disconnect the pushrod from the brake pedal. Remove the nuts securing the booster assembly to the firewall and pull it and remove it. Apply silicone sealer to the firewall and secure the assembly. Attach the pushrod to the brake pedal and connect the vacuum hose. Install the brake master cylinder and bleed the brake system. Check for proper operation of the power brakes.

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Brake Power Booster

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9 Brake Boosters found

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Buick Skylark Power Brake Booster Assembly
Part Number: 18017460
- Other Name: Booster Assembly,Power Brake ; Booster, V; Brake Booster
$192.42 MSRP: $458.10
You Save: $265.68 (58%)

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Fits the following Vehicles:
1986-1991 Buick Skylark | 2 DOOR, 4 DOOR, CUSTOM, CUSTOM 2 DOOR, GRAN SPORT 2 DOOR, LIMITED, LIMITED 2 DOOR, LIMITED 4 DOOR, LUXURY EDITION 4 DOOR, SKYLARK, SOMERSET, T-TYPE | 4 Cyl 2.3L, 4 Cyl 2.5L, 6 Cyl 3.0L, 6 Cyl 3.3L
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Buick Skylark Power Brake Vacuum Booster
Part Number: 18017407
- Other Name: Booster Assembly, Power Brake ; Booster, Hydraulic Power Brake Booster; Brake Booster
$214.39 MSRP: $443.36
You Save: $228.97 (52%)

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Fits the following Vehicles:
1986-1991 Buick Skylark | 2 DOOR, 4 DOOR, CUSTOM, CUSTOM 2 DOOR, GRAN SPORT 2 DOOR, LIMITED, LIMITED 2 DOOR, LIMITED 4 DOOR, LUXURY EDITION 4 DOOR, SKYLARK, SOMERSET, T-TYPE | 4 Cyl 2.3L, 4 Cyl 2.5L, 6 Cyl 3.0L, 6 Cyl 3.3L
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Buick Skylark Power Brake Booster Assembly
Part Number: 18029989
- Other Name: Booster Asm,Power Brake ; Booster, Hydraulic Power Brake Booster; Brake Booster
$298.97 MSRP: $485.38
You Save: $186.41 (39%)

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Fits the following Vehicles:
1994-1998 Buick Skylark | 2 DOOR, 4 DOOR, CUSTOM 2 DOOR, CUSTOM 4 DOOR, GRAN SPORT 2 DOOR, GRAN SPORT 4 DOOR, LIMITED 2 DOOR, LIMITED 4 DOOR | 4 Cyl 2.3L, 4 Cyl 2.4L, 6 Cyl 3.1L
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Buick Skylark Power Brake Booster Assembly
Part Number: 18060122
- Other Name: Booster Asm,Power Brake
- Replaces: 18015941
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Fits the following Vehicles:
1982-1985 Buick Skylark | 2 DOOR, 4 DOOR, CUSTOM 2 DOOR, CUSTOM 4 DOOR, LIMITED 2 DOOR, LIMITED 4 DOOR | 4 Cyl 2.5L, 6 Cyl 2.8L
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Buick Skylark Power Brake Booster Assembly
Part Number: 18060125
- Other Name: Booster Asm,Power Brake; Brake Booster
- Replaces: 18015980
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Fits the following Vehicles:
1986-1991 Buick Skylark | 2 DOOR, 4 DOOR, CUSTOM, CUSTOM 2 DOOR, GRAN SPORT 2 DOOR, LIMITED, LIMITED 2 DOOR, LIMITED 4 DOOR, LUXURY EDITION 4 DOOR, SKYLARK, SOMERSET, T-TYPE | 4 Cyl 2.3L, 4 Cyl 2.5L, 6 Cyl 3.0L, 6 Cyl 3.3L
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Buick Skylark Power Brake Booster ASSEMBLY
Part Number: 18017215
- Other Name: Booster Assembly, Power Brake; Brake Booster, Power Actuator
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Fits the following Vehicles:
1986-1991 Buick Skylark | 2 DOOR, 4 DOOR, CUSTOM, CUSTOM 2 DOOR, GRAN SPORT 2 DOOR, LIMITED, LIMITED 2 DOOR, LIMITED 4 DOOR, LUXURY EDITION 4 DOOR, SKYLARK, SOMERSET, T-TYPE | 4 Cyl 2.3L, 4 Cyl 2.5L, 6 Cyl 3.0L, 6 Cyl 3.3L
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Buick Skylark Hydraulic Power Brake Booster
Part Number: 18029988
- Other Name: Booster,Power Brake; Brake Booster, Power Actuator
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Fits the following Vehicles:
1993 Buick Skylark | CUSTOM 2 DOOR, CUSTOM 4 DOOR, GRAN SPORT 2 DOOR, GRAN SPORT 4 DOOR, LIMITED 2 DOOR, LIMITED 4 DOOR | 4 Cyl 2.3L, 6 Cyl 3.3L
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Buick Skylark Power Brake Booster Assembly
Part Number: 18060155
- Other Name: Booster Asm,Power Brake ; Booster, Hydraulic Power Brake Booster
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Fits the following Vehicles:
1991-1992 Buick Skylark | 2 DOOR, 4 DOOR, CUSTOM 2 DOOR, GRAN SPORT 2 DOOR, GRAN SPORT 4 DOOR, LUXURY EDITION 4 DOOR | 4 Cyl 2.3L, 4 Cyl 2.5L, 6 Cyl 3.3L
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Buick Skylark Power Brake Booster Assembly
Part Number: 18013875
- Other Name: Booster Asm,Power Brake; Brake Booster
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Fits the following Vehicles:
1986-1991 Buick Skylark | 2 DOOR, 4 DOOR, CUSTOM, CUSTOM 2 DOOR, GRAN SPORT 2 DOOR, LIMITED, LIMITED 2 DOOR, LIMITED 4 DOOR, LUXURY EDITION 4 DOOR, SKYLARK, SOMERSET, T-TYPE | 4 Cyl 2.3L, 4 Cyl 2.5L, 6 Cyl 3.0L, 6 Cyl 3.3L
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Buick Skylark Brake Booster Parts Questions & Answers

Power Brake Booster Assembly
18060122
Q: How do you replace the power brake booster assembly?
A: The power brake booster assembly is in the engine compartment on the driver's side firewall. Remove the Brake Master Cylinder and disconnect the vacuum hose from the booster assembly. Inside the car, disconnect the pushrod from the brake pedal. Remove the nuts securing the booster assembly to the firewall and pull it and remove it. Apply silicone sealer to the firewall and secure the assembly. Attach the pushrod to the brake pedal and connect the vacuum hose. Install the brake master cylinder and bleed the brake system. Check for proper operation of the power brakes.

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