How to Service and Repair the Brake Booster on Buick LeSabre?

Start your replacement by removing the fuel injector sight shield before taking out the accelerator control cable with its bracket and placing them safely away. First disconnect the electrical connections from the EGR Valve and Cruise Control Module then detach relevant engine harness clips. Set aside the wiring harness and remove the brake fluid level sensor wire connection. Set the brake master cylinder on a protected surface after loosening its connecting nuts then taking the unit off the car. To lower the column you should first remove parts on the left side including the insulator panel and knee bolster bracket followed by steering support mounts which can then let you place the column on mechanical wire supports. Detach the Brake Pedal sensors from their electrical connections at the switch points. Take away the Brake Booster Pushrod retainer clip and foam spacer from the Brake Pedal along with the Pushrod. Extract the vacuum Brake Booster attaching nuts and lift out the vacuum Brake Booster from the car along with its mounting gasket when required. Put back the booster gasket when it was removed before placing the vacuum Brake Booster in its vehicle position. Secure the vacuum Brake Booster Pushrod to Brake Pedal clevis pin first then add the foam spacer and retainer clip. Thread the booster nuts at 23 n.m (17 lb ft) and tighten them securely. Add back the tcc/cruise control release switch and the stop lamp/abs/shift lock switch to their positions on the Brake Pedal assembly. Install first the master cylinder on top of the booster then put on Steering Column left knee bolster bracket and left insulator panel. Reconnect the vacuum booster check valve and wire in the brake fluid level sensor and Cruise Control Module. Attach the accelerator control cable hardware while connecting the power connectors to the EGR Valve and engine harness.

OEM Buick LeSabre Brake Booster

Brake Power Booster

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11 Brake Boosters found

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Buick LeSabre Brake Booster Part Number: 18029959
$88.53 MSRP: $415.80
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Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster; Booster Assembly
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-1999 Buick LeSabre | Custom, Limited | 6 Cyl 3.8 L GAS
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Buick LeSabre Brake Booster Part Number: 88967234
Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster; Power Booster; Booster Assembly
- Replaces: 18043163, 18043638
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2000-2005 Buick LeSabre | Custom, Limited | 6 Cyl 3.8 L GAS
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Buick LeSabre Motor Assembly Part Number: 25535707
Product Specifications
- Other Name: Booster, Power Brake; ABS Pump And Motor Assembly; Pump & Motor Assembly; ABS Pump; Hydraulic Power Brake Booster; Brake Master Cylinder
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1987-1990 Buick LeSabre | Base, Custom, Limited, T-Type | 6 Cyl 3.8 L GAS
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Buick LeSabre Brake Booster Part Number: 18060140
Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster; Booster Assembly
- Replaces: 18016259
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1991-1993 Buick LeSabre | Base, Custom, Limited | 6 Cyl 3.8 L GAS
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Buick LeSabre Brake Booster Part Number: 18060120
Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster
- Replaces: 18015936
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1986 Buick LeSabre | Custom, Limited | 6 Cyl 3.0 L GAS, 6 Cyl 3.8 L GAS
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Buick LeSabre Brake Booster Part Number: 18060033
Product Specifications
- Other Name: Booster, Power Brake; Booster, Hydraulic Power Brake Booster
- Replaces: 18006566
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984-1990 Buick LeSabre | Collector's Edition, Custom, Estate Wagon, Limited | 6 Cyl 3.8 L GAS, 6 Cyl 4.1 L GAS, 8 Cyl 5.0 L GAS
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Buick LeSabre Brake Booster Part Number: 18029979
Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster; Booster Assembly
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1994-1995 Buick LeSabre | Custom, Limited | 6 Cyl 3.8 L GAS
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Buick LeSabre Brake Booster Part Number: 18017750
Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1991 Buick LeSabre | Base, Custom, Limited | 6 Cyl 3.8 L GAS
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Buick LeSabre Brake Booster Part Number: 18015784
Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1989 Buick LeSabre | Base, Custom, Limited | 6 Cyl 3.8 L GAS
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Buick LeSabre Brake Booster Part Number: 18013155
Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1987-1988 Buick LeSabre | Base, Custom, Limited, T-Type | 6 Cyl 3.8 L GAS
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Buick LeSabre Brake Booster Part Number: 1620210
Product Specifications
- Other Name: Booster Assembly, Power Brake (Hydraulic) -Service; Booster, Hydraulic Power Brake Booster
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984-1985 Buick LeSabre | Collector's Edition, Custom, Estate Wagon, Limited | 8 Cyl 5.7 L DIESEL

Buick LeSabre Brake Booster

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A key feature that distinguished the Buick LeSabre was the Brake Booster that improves the braking system immensely thus improving on the safety of the vehicle. Known for its durablity and effectiveness, the Brake Booster works through amplifying pressure from the master cylinder; consequently, decreasing the effort demanded from the driver for the brake pedal. This is especially sweet for the different models of LeSabre that have been manufactured from 1959 to 2005 to warrant that the people using the car enjoy the optimal of braking system. The Brake Booster comes in two main types: a vacuum-operated and hydraulic power system, the former to be applied to the standard LeSabre Series while the latter to be used on special models of the LeSabre. The vacuum boosters are considered to be very reliable while hydraulic boosters can be used for those who want more powerful engines. Thus, Brake Booster is not just a component that serves as a passenger car's addition; this piece is critical to the operation and safe functionality of the Buick LeSabre as it enables faster and more controlled stopping. Moreover, there are unique specifications such as the installation of latest technologies in the later models like, StabiliTrak, which increases the quality of braking. Being in the market for many years and fit for various models of Buick LeSabre, the Brake Booster is still a crucial part of its components that proves the company's adherence to the principles of quality and continuous advancements in the automotive industry.

Buick LeSabre Brake Booster Parts and Q&A

Brake Booster
88967234
Q: How to Service and Repair the Brake Booster on Buick LeSabre?
A:
Start your replacement by removing the fuel injector sight shield before taking out the accelerator control cable with its bracket and placing them safely away. First disconnect the electrical connections from the EGR Valve and Cruise Control Module then detach relevant engine harness clips. Set aside the wiring harness and remove the brake fluid level sensor wire connection. Set the brake master cylinder on a protected surface after loosening its connecting nuts then taking the unit off the car. To lower the column you should first remove parts on the left side including the insulator panel and knee bolster bracket followed by steering support mounts which can then let you place the column on mechanical wire supports. Detach the Brake Pedal sensors from their electrical connections at the switch points. Take away the Brake Booster Pushrod retainer clip and foam spacer from the Brake Pedal along with the Pushrod. Extract the vacuum Brake Booster attaching nuts and lift out the vacuum Brake Booster from the car along with its mounting gasket when required. Put back the booster gasket when it was removed before placing the vacuum Brake Booster in its vehicle position. Secure the vacuum Brake Booster Pushrod to Brake Pedal clevis pin first then add the foam spacer and retainer clip. Thread the booster nuts at 23 n.m (17 lb ft) and tighten them securely. Add back the tcc/cruise control release switch and the stop lamp/abs/shift lock switch to their positions on the Brake Pedal assembly. Install first the master cylinder on top of the booster then put on Steering Column left knee bolster bracket and left insulator panel. Reconnect the vacuum booster check valve and wire in the brake fluid level sensor and Cruise Control Module. Attach the accelerator control cable hardware while connecting the power connectors to the EGR Valve and engine harness.