How to replace the vacuum brake booster on a 3.4L engine on Chevrolet Impala?

Secure the Brake Booster by using j 22805-b power Brake Booster holder to begin vacuum Brake Booster replacement for 3.4l engines. Unplug the stop lamp electrical connector and remove the retaining clip from the Brake Pedal while taking away the left instrument panel insulator. Empty part of the cooling system before removing the cross vehicle brace and air cleaner inlet duct. Pressurize the fuel system then disconnect the evap canister purge valve pipe fuel feed pipe and return pipe arranging them near the work area. Sever the coolant bypass hoses at their inlet and outlet before taking off the heater pipe. First move the engine forward to get better reach before taking off the electrical link to the Brake Fluid Level Sensor. The brake pipes do not require disconnecting from the master cylinder to work on the bpmv. First detach the two master cylinder retaining nuts then place the master cylinder to the side. Remove the vacuum check valve from the Brake Booster by taking out both parts together. Press the Brake Booster locking tab down with a flat-bladed tool as you turn the booster counterclockwise using j 22805-b while holding the booster against the cowl with the master cylinder retaining nuts. Position the new vacuum Brake Booster on the cowl counterclockwise then turn it clockwise with a ratchet on power Brake Booster holder (J 22805-B) until the locking tab engages the locking notch. Reattach and connect the vacuum hose with its check valve before placing the master cylinder onto the booster unit. Secure the retaining nuts at 25 nm (18 ft. Lbs.) torque. Reseat your engine and place both engine mount struts before connecting the brake fluid sensor electrical part. Add the heater pipe back into place followed by the coolant outlet and inlet bypass hoses. Also fit evap canister purge valve pipe and fuel system parts together. After these steps finish up the work by adding the air cleaner inlet duct followed by inserting the cross vehicle brace and filling the cooling system. Also connect the Brake Booster pushrod to the Brake Pedal before installing the retaining clip and connecting the stop lamp switch wires to their proper location. Finally replace the left instrument panel insulator.

OEM Chevrolet Impala Brake Booster

Brake Power Booster

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13 Brake Boosters found

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Chevrolet Impala Brake Booster Part Number: 84626897
$101.58 MSRP: $197.15
You Save: $95.57 (49%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Booster Kit-Power Brake (Vacuum); Booster Assembly; Booster; Booster, Hydraulic Power Brake Booster
- Replaces: 23303848, 22951779, 23176887, 23117499, 84020552, 84437896
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2020 Chevrolet Impala | Eco, LS, LT, LTZ, Premier | 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV), 4 Cyl 2.5 L FLEX, 4 Cyl 2.5 L GAS, 6 Cyl 3.6 L BI-FUEL, 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
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Chevrolet Impala Brake Booster Part Number: 23209402
$135.48 MSRP: $265.27
You Save: $129.79 (49%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster; Power Booster
- Replaces: 20864348
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2012-2013 Chevrolet Impala | LS, LT, LTZ, Police | 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
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Chevrolet Impala Brake Booster Part Number: 20819294
$118.82 MSRP: $223.14
You Save: $104.32 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster; Power Booster
- Replaces: 20759876, 25908491, 25981047
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009-2011 Chevrolet Impala | LS, LT, LTZ, Police | 6 Cyl 3.5 L FLEX, 6 Cyl 3.5 L GAS, 6 Cyl 3.9 L FLEX
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Chevrolet Impala Brake Booster Part Number: 88967269
Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster; Power Booster
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2008 Chevrolet Impala | SS | 8 Cyl 5.3 L GAS
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Chevrolet Impala Brake Booster Part Number: 15806655
Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster; Power Booster
- Replaces: 19121403
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2008 Chevrolet Impala | 50th Anniversary Edition, LS, LT, LTZ, Police | 6 Cyl 3.5 L FLEX, 6 Cyl 3.5 L GAS, 6 Cyl 3.9 L GAS
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Chevrolet Impala Brake Booster Part Number: 15236237
Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster; Power Booster
- Replaces: 18048230, 88967238
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2007 Chevrolet Impala | LS, LT, LTZ, Police | 6 Cyl 3.5 L FLEX, 6 Cyl 3.5 L GAS, 6 Cyl 3.9 L GAS
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Chevrolet Impala Brake Booster Part Number: 88967239
Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster; Power Booster; Booster Assembly
- Replaces: 18029870, 18042270
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2000-2005 Chevrolet Impala | Base, LS, LS Sport, SS | 6 Cyl 3.4 L GAS, 6 Cyl 3.8 L GAS
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Chevrolet Impala Brake Booster Part Number: 20819295
Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster; Power Booster
- Replaces: 20759877, 25908490, 25981048
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009 Chevrolet Impala | SS | 8 Cyl 5.3 L GAS
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Chevrolet Impala 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:
- 1984-1985 Chevrolet Impala | Base | 6 Cyl 3.8 L GAS, 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
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Chevrolet Impala Brake Booster Part Number: 18029981
Product Specifications
- Other Name: Booster, Power Brake; Power Amplifier; Booster, Hydraulic Power Brake Booster
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1994-1996 Chevrolet Impala | SS | 8 Cyl 5.7 L GAS
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Chevrolet Impala Brake Booster Part Number: 18029976
Product Specifications
- Other Name: Booster, Power Brake; Power Amplifier; Booster, Hydraulic Power Brake Booster
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1994-1996 Chevrolet Impala | SS | 8 Cyl 5.7 L GAS
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Chevrolet Impala 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 Chevrolet Impala | Base | 8 Cyl 5.7 L DIESEL
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Chevrolet Impala Brake Booster Part Number: 15870511
Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster; Power Booster
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2008 Chevrolet Impala | LT, LTZ, Police | 6 Cyl 3.9 L FLEX, 6 Cyl 3.9 L GAS

Chevrolet Impala Brake Booster

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The Chevrolet Impala Brake Booster is quite an important unit that enables the less amount of pressure to be applied in operating the brakes of the vehicle. Through the vacuum chamber, it increases the hydraulic pressure supplied to the brake booster from the master cylinder to add force exerted on the brake pedal by the driver. Nevertheless, there are certain generalities that apply to the Chevrolet Impala depending on the nature of the brake system of the particular model: the brake system of a car may either include a vacuum brake booster or hydraulic one. The vacuum-operated booster uses one way valve and diaphragm which operates through vacuum established by the engine, the hydraulic type uses hydraulic pressure from the steering pump. These different types are used depending on the engine type; the vacuum operated booster to gasoline engine cars and the hydraulic booster to diesel Impalas.

Chevrolet Impala Brake Booster Parts and Q&A

Brake Booster
88967239
Q: How to replace the vacuum brake booster on a 3.4L engine on Chevrolet Impala?
A:
Secure the Brake Booster by using j 22805-b power Brake Booster holder to begin vacuum Brake Booster replacement for 3.4l engines. Unplug the stop lamp electrical connector and remove the retaining clip from the Brake Pedal while taking away the left instrument panel insulator. Empty part of the cooling system before removing the cross vehicle brace and air cleaner inlet duct. Pressurize the fuel system then disconnect the evap canister purge valve pipe fuel feed pipe and return pipe arranging them near the work area. Sever the coolant bypass hoses at their inlet and outlet before taking off the heater pipe. First move the engine forward to get better reach before taking off the electrical link to the Brake Fluid Level Sensor. The brake pipes do not require disconnecting from the master cylinder to work on the bpmv. First detach the two master cylinder retaining nuts then place the master cylinder to the side. Remove the vacuum check valve from the Brake Booster by taking out both parts together. Press the Brake Booster locking tab down with a flat-bladed tool as you turn the booster counterclockwise using j 22805-b while holding the booster against the cowl with the master cylinder retaining nuts. Position the new vacuum Brake Booster on the cowl counterclockwise then turn it clockwise with a ratchet on power Brake Booster holder (J 22805-B) until the locking tab engages the locking notch. Reattach and connect the vacuum hose with its check valve before placing the master cylinder onto the booster unit. Secure the retaining nuts at 25 nm (18 ft. Lbs.) torque. Reseat your engine and place both engine mount struts before connecting the brake fluid sensor electrical part. Add the heater pipe back into place followed by the coolant outlet and inlet bypass hoses. Also fit evap canister purge valve pipe and fuel system parts together. After these steps finish up the work by adding the air cleaner inlet duct followed by inserting the cross vehicle brace and filling the cooling system. Also connect the Brake Booster pushrod to the Brake Pedal before installing the retaining clip and connecting the stop lamp switch wires to their proper location. Finally replace the left instrument panel insulator.