How to replace the hydraulic brake booster on GMC Sierra 1500?

Before starting the process of replacing the hydraulic Brake Booster apply the park brake and block the wheels. A technician should disconnect all hoses from the booster assembly starting with the inlet hose and steering gear and return hoses before master cylinder and stop lamp switch removal (part number 123456). Start by taking out the booster assembly combined with its gasket after stripping the four booster to bulkhead nuts. New gaskets should be placed before you install the booster assembly and tighten its four booster to bulkhead nuts to 33 nm (24 ft. Lbs.). After installing the stop lamp switch (part number 123456) and master cylinder users should connect the return hose to the steering gear and inlet hoses in succession. Close the hydraulic booster system for bleeding then take off the park brake and clear up the vehicle wheels. Protect your vehicle from brake fluid exposure by utilizing proper precautions because the substance can harm paint surfaces along with electrical parts while power steering fluid serves the hydraulic Brake Booster system and brake fluid functions with the master cylinder and brake pipes.

How to replace the hydraulic brake booster on GMC Yukon?

A vehicle technician must begin Brake Booster replacement work by executing both the park brake and wheel block procedure. To perform this task disconnect all pipes from the booster assembly with the exception of the steering gear and inlet hose followed by removing the master cylinder (Master Cylinder Replacement) and the stop lamp switch (Stop Lamp Switch Replacement in Lighting Systems). First remove the four booster to bulkhead nuts before taking out both the booster assembly together with its gasket. Users must begin installation by aligning a new gasket followed by installing the booster assembly. Utilize 33 nm torque to screw in the four booster to bulkhead nuts. The installation process continues with stop lamp switch (Stop Lamp Switch Replacement in Lighting Systems) followed by the master cylinder (Master Cylinder Replacement). Restore connections between the steering gear along with the return hose and the inlet hoses. The hydraulic booster bleeding process ends with the release of the park brake and wheel unblocking procedures. Pay attention to brake fluid irritants and choose the appropriate fluid because power steering fluid serves the hydraulic Brake Booster system yet brake fluid operates through master cylinder and brake pipes.

OEM GMC Brake Booster

Brake Power Booster

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85 Brake Boosters found

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GMC Brake Booster Part Number: 84472897
$507.00 MSRP: $913.52
You Save: $406.52 (45%)
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Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster; Hydro-Boost Assembly; Booster Assembly; Power Brake Booster
- Replaces: 22872386, 84031701
Fits the following GMC Models:
- Sierra 2500 HD | 2015-2019 | Base, Denali, SLE, SLT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
- Sierra 3500 HD | 2015-2019 | Base, Denali, SLE, SLT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
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GMC Brake Booster Part Number: 19371361
$391.30 MSRP: $701.88
You Save: $310.58 (45%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster; Hydro-Boost Assembly; Booster Assembly; Power Brake Booster
- Replaces: 20940394
Fits the following GMC Models:
- Sierra 2500 HD | 2011 | Denali, SLE, SLT, WT | 8 Cyl 6.0 L FLEX, 8 Cyl 6.6 L DIESEL
- Sierra 3500 HD | 2011 | Denali, SLE, SLT, WT | 8 Cyl 6.0 L FLEX, 8 Cyl 6.6 L DIESEL
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GMC Brake Booster Part Number: 19371354
$912.61 MSRP: $1644.37
You Save: $731.76 (45%)
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Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster; Hydro-Boost Assembly; Booster Assembly; Power Brake Booster
- Replaces: 15190585, 15706056, 15861643, 15126289, 15757280, 15813688, 15212823
Fits the following GMC Models:
- Sierra 1500 | 1999-2002 | Base, C3, Denali, HT, SL, SLE, SLT, WT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
- Sierra 1500 HD | 2001-2002 | SLE, SLT | 8 Cyl 6.0 L GAS
- Sierra 2500 | 1999-2002 | Base, SL, SLE, SLT | 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L BI-FUEL, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS
- Sierra 2500 HD | 2001-2002 | Base, SL, SLE, SLT | 8 Cyl 6.0 L BI-FUEL, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS
- Sierra 3500 | 2001-2002 | Base, SL, SLE, SLT | 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS
- Yukon XL 1500 | 2000-2002 | Denali, SLE, SLT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
- Yukon XL 2500 | 2000-2002 | SLE, SLT | 8 Cyl 6.0 L GAS, 8 Cyl 8.1 L GAS
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GMC Brake Booster Part Number: 19371357
$621.92 MSRP: $1217.66
You Save: $595.74 (49%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster; Hydro-Boost Assembly; Booster Assembly; Power Brake Booster
- Replaces: 15225283, 15218659, 15814983, 15870648
Fits the following GMC Models:
- Savana 1500 | 2004-2007 | Base, LS, LT, SLE | 6 Cyl 4.3 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
- Savana 2500 | 2004-2007 | Base, LS, LT, SLE | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
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GMC Brake Booster Part Number: 19371359
$415.06 MSRP: $743.00
You Save: $327.94 (45%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster; Hydro-Boost Assembly; Booster Assembly; Power Brake Booster
- Replaces: 15112793, 15870649, 15225284, 15814984, 25739959, 25749265
Fits the following GMC Models:
- Savana 1500 | 2003 | Base, SLE | 6 Cyl 4.3 L GAS, 8 Cyl 5.3 L GAS
- Savana 2500 | 2003-2007 | Base, LS, LT, SLE | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
- Savana 3500 | 2003-2007 | Base, LS, LT, SLE | 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
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GMC Modulator Valve Part Number: 86820497
$878.99 MSRP: $1650.68
You Save: $771.69 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Cylinder, Brake Master Cylinder; Booster Assembly
- Replaced by: 85798382
Fits the following GMC Models:
- Hummer EV Pickup | 2023 | 3X | BATTERY EV (EV/BEV)
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GMC Brake Booster Part Number: 19418519
$493.40 MSRP: $966.02
You Save: $472.62 (49%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster; Power Booster
- Replaced by: 19432799
Fits the following GMC Models:
- Acadia | 2012-2014, 2007-2009 | Denali, SL, SLE, SLT | 6 Cyl 3.6 L GAS
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GMC Master Cylinder Part Number: 85105169
$135.29 MSRP: $264.88
You Save: $129.59 (49%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Cylinder, Brake Master Cylinder
- Replaces: 84397948, 84543808, 84680664, 84873078
Fits the following GMC Models:
- Savana 2500 | 2019-2024 | Base, LS, LT | 4 Cyl 2.8 L DIESEL, 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L GAS
- Savana 3500 | 2019-2024 | Base, LS, LT | 4 Cyl 2.8 L DIESEL, 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L GAS
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GMC Master Cylinder Part Number: 85543518
$1227.26 MSRP: $2394.64
You Save: $1167.38 (49%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Cylinder, Brake Master Cylinder; Master Cylinder Assembly
- Replaces: 84926393, 85124747
Fits the following GMC Models:
- Yukon | 2021-2022 | AT4, Denali, SLE, SLT | 6 Cyl 3.0 L DIESEL, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
- Yukon XL | 2021-2023 | AT4, Denali, SLE, SLT | 6 Cyl 3.0 L DIESEL, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
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GMC Brake Booster Part Number: 19371363
$418.97 MSRP: $813.13
You Save: $394.16 (49%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster; Booster Assembly
- Replaces: 20941663, 25790710, 20774170
Fits the following GMC Models:
- Savana 1500 | 2008-2011 | Base, LS, LT | 6 Cyl 4.3 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
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GMC Brake Booster Part Number: 25739959
$383.67 MSRP: $743.00
You Save: $359.33 (49%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster
- Replaced by: 19371359
Fits the following GMC Models:
- Savana 3500 | 2004 | Base, SLE | 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS
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GMC Brake Booster Part Number: 19418518
$167.59 MSRP: $314.72
You Save: $147.13 (47%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster; Booster Assembly
- Replaced by: 19432809
Fits the following GMC Models:
- Sierra 1500 | 2005-2007 | Base, Denali, SL, SLE, SLT, WT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L GAS
- Sierra 1500 Classic | 2007 | Denali, SL, SLE, SLT, WT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
- Sierra 1500 HD | 2005-2006 | SLE, SLT | 8 Cyl 6.0 L GAS
- Sierra 1500 HD Classic | 2007 | SLE, SLT | 8 Cyl 6.0 L GAS
- Sierra 2500 HD | 2005-2007 | Base, SL, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS
- Sierra 2500 HD Classic | 2007 | SL, SLE, SLT, WT | 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS
- Sierra 3500 | 2005-2006 | Base, SL, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS
- Sierra 3500 Classic | 2007 | SL, SLE, SLT, WT | 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS
- Sierra 3500 HD | 2007 | SLE, SLT, WT | 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
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GMC Modulator Valve Part Number: 85548003
$860.94 MSRP: $1360.74
You Save: $499.80 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Cylinder, Brake Master Cylinder; Booster Assembly
Fits the following GMC Models:
- Hummer EV Pickup | 2022-2023 | 3X, Edition 1 | BATTERY EV (EV/BEV)
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GMC Master Cylinder Part Number: 85543517
$908.75 MSRP: $1442.81
You Save: $534.06 (38%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Cylinder, Brake Master Cylinder; Master Cylinder Assembly
- Replaced by: 85697531
Fits the following GMC Models:
- Yukon | 2021-2022 | AT4, Denali, SLE, SLT | 6 Cyl 3.0 L DIESEL, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
- Yukon XL | 2021-2023 | AT4, Denali, SLE, SLT | 6 Cyl 3.0 L DIESEL, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
View related parts
GMC Brake Booster Part Number: 15267004
Product Specifications
- Other Name: Booster, Power Brake; Booster Assembly; Booster, Hydraulic Power Brake Booster
- Replaces: 19208151
Fits the following GMC Models:
- Envoy | 2006-2008 | SLE, SLT | 6 Cyl 4.2 L GAS
- Envoy XL | 2006 | SLE, SLT | 6 Cyl 4.2 L GAS
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GMC Booster Assembly Part Number: 15854060
Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster; Brake Booster
- Replaces: 15814412, 15212481, 15126868, 19117203
Fits the following GMC Models:
- Sierra 1500 | 2004-2006 | Base, Denali, Hybrid, SL, SLE, SLT, WT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
- Sierra 1500 Classic | 2007 | Hybrid | 8 Cyl 5.3 L FULL HYBRID EV-GAS (FHEV)
- Sierra 2500 | 2004 | Base, SLE, SLT, WT | 8 Cyl 6.0 L GAS
- Sierra 2500 HD | 2004-2006 | Base, SL, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS
- Sierra 3500 | 2004-2006 | Base, SL, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS
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GMC Brake Booster Part Number: 19371352
Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster
- Replaces: 15150633, 15710166, 15757258, 15192200, 15003100
Fits the following GMC Models:
- C1500 | 1996-1999 | Sierra GT, Sierra SL, Sierra SLE, Sierra SLT, Sierra Special | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL
- C1500 Suburban | 1996-1999 | Base, SLE, SLT | 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL
- C2500 | 1996-2000 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
- C2500 Suburban | 1996-1999 | Base, SLE, SLT | 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
- C3500 | 1996-2000 | 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
- K1500 | 1996-1999 | Sierra SL, Sierra SLE, Sierra SLT, Sierra Special | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL
- K1500 Suburban | 1996-1999 | Base, SLE, SLT | 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL
- K2500 | 1996-2000 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
- K2500 Suburban | 1996-1999 | Base, SLE, SLT | 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
- K3500 | 1996-2000 | 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 Brake Booster Part Number: 19417218
$167.63 MSRP: $300.68
You Save: $133.05 (45%)
Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster; Booster Assembly
- Replaced by: 19432800
Fits the following GMC Models:
- Canyon | 2009-2012 | SLE, SLT, WT | 4 Cyl 2.9 L GAS, 5 Cyl 3.7 L GAS, 8 Cyl 5.3 L GAS
View related parts
GMC Brake Booster Part Number: 19432808
$312.98 MSRP: $561.39
You Save: $248.41 (45%)
Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster; Booster Assembly; Booster, Vacuum Power Brake
- Replaces: 15276502, 19417224, 84164389, 15947019, 15856781
Fits the following GMC Models:
- Sierra 1500 | 2007-2008 | Denali, SL, SLE, SLT, WT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L GAS
- Sierra 2500 HD | 2008 | SLE, SLT, WT | 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
- Sierra 3500 HD | 2008 | SLE, SLT, WT | 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
- Yukon | 2007-2008 | Denali, SLE, SLT | 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
- Yukon XL 1500 | 2007-2008 | Denali, SLE, SLT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L GAS
- Yukon XL 2500 | 2007-2008 | SLE, SLT | 8 Cyl 6.0 L GAS
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GMC Brake Booster Part Number: 19371365
$377.43 MSRP: $677.00
You Save: $299.57 (45%)
Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster; Hydro-Boost Assembly; Booster Assembly; Power Brake Booster
- Replaces: 22745516
Fits the following GMC Models:
- Sierra 2500 HD | 2012-2014 | Denali, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
- Sierra 3500 HD | 2012-2014 | Denali, SLE, SLT, WT | 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL

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GMC Brake Booster

Choose OEM Brake Booster, you're making the optimal decision for superior quality and perfect performance. You can feel confident because each component goes through stringent quality checks. Every part is carefully built to comply with GMC's factory specifications. You'll enjoy a smooth, worry-free installation that fits just right. At ChevyPartsDeal.com, you'll find it easy to get top-quality OEM GMC Brake Booster. You can shop at highly competitive prices and protect your budget. All our genuine GMC parts include a dependable manufacturer's warranty. You'll also appreciate our straightforward return policy and swift delivery services for extra convenience.

GMC Brake Booster amplifies force on the pedal such that braking of big rigs feels light and fast. GMC began in 1901 and currently manufactures trucks and SUVs that have frames that react without caring about the weight and engines that push. The chassis is stiffened with steel crossmembers in case cargo mounts or trails are rough. Silent cabins dampen the wind noise to a degree that one can have a conversation even when towing an uphill path. The MultiPro tailgate will fold into steps or close position and is fast to gain access to the bed with gear or groceries. Surround vision, hitch guidance and other alerts have GMC layers that enable the driver to notice something is amiss before it causes harm. Greater and greater trials in tracks and gravel loops maintain the reliability over years. Similarly, enhanced suspensions fill potholes without much of the stiff feel required to control them during loading. The Brake Booster is installed between the pedal and the master cylinder and utilizes engine vacuum or hydraulic pressure to increase the force you give it and stop a full-size rig without needing to use the power of a compact car. Hydraulic types ride the swings in fluid pressure and vacuum types take advantage of the difference between outside air pressure and inside-the-manifold pressure. The greater the diameter of the housings kicked out, the greater the aid and a slight press therefore rapidly produces deceleration. Brake Booster kits can have a new master cylinder and check valve or pump to be able to swap quickly on older iron.

GMC Brake Booster Parts and Q&A

Brake Booster
19371356
Q: How to replace the hydraulic brake booster on GMC Sierra 1500?
A:
Before starting the process of replacing the hydraulic Brake Booster apply the park brake and block the wheels. A technician should disconnect all hoses from the booster assembly starting with the inlet hose and steering gear and return hoses before master cylinder and stop lamp switch removal (part number 123456). Start by taking out the booster assembly combined with its gasket after stripping the four booster to bulkhead nuts. New gaskets should be placed before you install the booster assembly and tighten its four booster to bulkhead nuts to 33 nm (24 ft. Lbs.). After installing the stop lamp switch (part number 123456) and master cylinder users should connect the return hose to the steering gear and inlet hoses in succession. Close the hydraulic booster system for bleeding then take off the park brake and clear up the vehicle wheels. Protect your vehicle from brake fluid exposure by utilizing proper precautions because the substance can harm paint surfaces along with electrical parts while power steering fluid serves the hydraulic Brake Booster system and brake fluid functions with the master cylinder and brake pipes.
Brake Booster
19371355
Q: How to replace the hydraulic brake booster on GMC Yukon?
A:
A vehicle technician must begin Brake Booster replacement work by executing both the park brake and wheel block procedure. To perform this task disconnect all pipes from the booster assembly with the exception of the steering gear and inlet hose followed by removing the master cylinder (Master Cylinder Replacement) and the stop lamp switch (Stop Lamp Switch Replacement in Lighting Systems). First remove the four booster to bulkhead nuts before taking out both the booster assembly together with its gasket. Users must begin installation by aligning a new gasket followed by installing the booster assembly. Utilize 33 nm torque to screw in the four booster to bulkhead nuts. The installation process continues with stop lamp switch (Stop Lamp Switch Replacement in Lighting Systems) followed by the master cylinder (Master Cylinder Replacement). Restore connections between the steering gear along with the return hose and the inlet hoses. The hydraulic booster bleeding process ends with the release of the park brake and wheel unblocking procedures. Pay attention to brake fluid irritants and choose the appropriate fluid because power steering fluid serves the hydraulic Brake Booster system yet brake fluid operates through master cylinder and brake pipes.