How to service the vacuum brake booster on Mercury Mountaineer?

In order to service the vacuum brake booster, detach the check valve to evacuate the vacuum then dismount the master cylinder. To prevent trouble codes, disconnect the solenoid connector. Lose the old clevis pin and replace it with a new one. To remove the booster, loosen 4 nuts, install new ones to 22 Nm and reverse the process to place the booster.

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
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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 and Q&A

Brake Booster
7L2Z-2005-A
Q: How to service the vacuum brake booster on Mercury Mountaineer?
A: In order to service the vacuum brake booster, detach the check valve to evacuate the vacuum then dismount the master cylinder. To prevent trouble codes, disconnect the solenoid connector. Lose the old clevis pin and replace it with a new one. To remove the booster, loosen 4 nuts, install new ones to 22 Nm and reverse the process to place the booster.