How to service the vacuum brake booster on Mercury Mountaineer?

Service of the vacuum brake booster begins by depleting the booster check valve with disconnecting the valve until all vacuum is cleared before uninstalling the master cylinder to avoid drawing seals into the brake booster. The brake master cylinder must be removed as the second step. The brake booster solenoid electrical connector must be unplugged in order to stop diagnostic trouble codes from being generated when the engine runs or the key is in use. Boot up the booster push rod clevis using a new locking pin since this specific part requires single-use and disposal of the old pin before adding a new one during reinstallation. The brake booster rod needs to be disconnected from its location on the brake pedal before placing it to the side. Use new nuts for the brake booster installation and secure them to 22 Nm (16 ft. lbs.) torque. Complete the installation of components following the opposite steps used during disassembly.

OEM Mercury Mountaineer Brake Booster

Brake Power Booster

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8 Brake Boosters found

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Mercury Mountaineer Brake Booster
Part Number: 5L2Z-2005-B
Product Specifications
- Other Name: Booster Assembly - Brake; Power Brake Booster; Booster Assembly
- Replaces: 1L5Z-2005-AA, XL2Z-2005-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1999-2001 Mercury Mountaineer | Base | 6 Cyl 4.0 L GAS, 8 Cyl 5.0 L GAS
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Mercury Mountaineer Booster Assembly
Part Number: 6L2Z-2002-B
Product Specifications
- Other Name: Kit - Brake Booster Repair; Power Brake Booster; Brake Booster
- Manufacturer Note: Service Kit
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006 Mercury Mountaineer | Convenience, Luxury, Premier | 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
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Mercury Mountaineer Brake Booster
Part Number: 7L2Z-2005-A
Product Specifications
- Other Name: Booster Assembly - Brake; Power Brake Booster; Booster Assembly
- Manufacturer Note: Service Kit
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006-2010 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
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Mercury Mountaineer Brake Booster
Part Number: 6L5Z-2005-AA
Product Specifications
- Other Name: Booster Assembly - Brake; Power Brake Booster; Booster Assembly
- Replaces: 3L5Z-2005-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1998 Mercury Mountaineer | Base | 6 Cyl 4.0 L GAS, 8 Cyl 5.0 L GAS
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Mercury Mountaineer Booster Assembly
Part Number: F77Z2005HA
Product Specifications
- Other Name: Booster Assembly - Brake; Brake Booster
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997 Mercury Mountaineer | Base | 8 Cyl 5.0 L GAS
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Mercury Mountaineer Brake Booster
Part Number: F57Z-2005-A
Product Specifications
- Other Name: Booster Assembly - Brake; Power Brake Booster; Booster Assembly
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997 Mercury Mountaineer | Base | 8 Cyl 5.0 L GAS
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Mercury Mountaineer Brake Booster
Part Number: 5L2Z-2005-A
Product Specifications
- Other Name: Booster Assembly - Brake; Power Brake Booster; Booster Assembly
- Replaces: 3L2Z-2005-AB
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2002-2005 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
View related parts
Mercury Mountaineer Brake Booster
Part Number: 2L2Z-2005-AA
Product Specifications
- Other Name: Kit - Brake Booster Repair; Power Brake Booster; Booster Assembly
- Manufacturer Note: Service Kit
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2002-2005 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS

Mercury Mountaineer Brake Booster

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Mercury Mountaineer Brake Booster Parts Questions & Experts Answers

Brake Booster
7L2Z-2005-A
Q: How to service the vacuum brake booster on Mercury Mountaineer?
A: Service of the vacuum brake booster begins by depleting the booster check valve with disconnecting the valve until all vacuum is cleared before uninstalling the master cylinder to avoid drawing seals into the brake booster. The brake master cylinder must be removed as the second step. The brake booster solenoid electrical connector must be unplugged in order to stop diagnostic trouble codes from being generated when the engine runs or the key is in use. Boot up the booster push rod clevis using a new locking pin since this specific part requires single-use and disposal of the old pin before adding a new one during reinstallation. The brake booster rod needs to be disconnected from its location on the brake pedal before placing it to the side. Use new nuts for the brake booster installation and secure them to 22 Nm (16 ft. lbs.) torque. Complete the installation of components following the opposite steps used during disassembly.