How to service and repair the vacuum brake booster on Mercury Mariner?

Take Off, install stoplamp switch (pedal in rest, push rod therein). Take off clevis-locking pin and booster nuts; torque 23 Nm. Unplug vacuum hose/check valve; hybrids: unplug pressure, solenoid, travel sensors. Take-out/drop master-cylinder nuts; torque 30 Nm. Do not disconnect brake tubes; fit cylinder forward. Hybrids: execute Multi-Calibration.

OEM Mercury Mariner Brake Booster

Brake Power Booster

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6 Brake Boosters found

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Mercury Mariner Brake Booster Part Number: 9M6Z-2005-A
$491.11 MSRP: $805.45
You Save: $314.34 (40%)
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Product Specifications
- Other Name: Booster Assembly - Brake; Power Brake Booster; Booster
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2009-2011 Mercury Mariner | Hybrid | 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV)
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Mercury Mariner Brake Booster Part Number: 6L8Z-2002-A
$109.90 MSRP: $152.03
You Save: $42.13 (28%)
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Product Specifications
- Other Name: Kit - Brake Booster Repair; Booster Assembly
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006-2008 Mercury Mariner | Base, Convenience, Luxury, Premier | 4 Cyl 2.3 L GAS, 6 Cyl 3.0 L GAS
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Mercury Mariner Brake Booster Part Number: 5L8Z-2002-BA
Product Specifications
- Other Name: Kit - Brake Booster Repair; Power Brake Booster; Booster Assembly
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2006 Mercury Mariner | Base, Convenience, Luxury, Premier | 4 Cyl 2.3 L GAS, 6 Cyl 3.0 L GAS
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Mercury Mariner Brake Booster Part Number: 5L8Z-2002-AA
Product Specifications
- Other Name: Kit - Brake Booster Repair; Power Brake Booster; Booster Assembly
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2006 Mercury Mariner | Base, Convenience, Luxury, Premier | 4 Cyl 2.3 L GAS, 6 Cyl 3.0 L GAS
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Mercury Mariner Brake Booster Part Number: 9L8Z-2005-A
$155.72 MSRP: $247.27
You Save: $91.55 (38%)
Product Specifications
- Other Name: Booster Assembly - Brake; Power Brake Booster; Booster Assembly
- Manufacturer Note: Service Kit
- Replaces: 8L8Z-2005-A, 8L8Z-2002-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2008-2011 Mercury Mariner | Base, Premier | 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L GAS, 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
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Mercury Mariner Brake Booster Part Number: 6L8Z-2002-B
Product Specifications
- Other Name: Kit - Brake Booster; Power Brake Booster; Booster Assembly; Kit - Brake Booster Repair
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006-2007 Mercury Mariner | Convenience, Luxury, Premier | 4 Cyl 2.3 L GAS, 6 Cyl 3.0 L GAS

Mercury Mariner Brake Booster

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Mercury Mariner Brake Booster Parts and Q&A

Brake Booster
9L8Z-2005-A
Q: How to service and repair the vacuum brake booster on Mercury Mariner?
A: Take Off, install stoplamp switch (pedal in rest, push rod therein). Take off clevis-locking pin and booster nuts; torque 23 Nm. Unplug vacuum hose/check valve; hybrids: unplug pressure, solenoid, travel sensors. Take-out/drop master-cylinder nuts; torque 30 Nm. Do not disconnect brake tubes; fit cylinder forward. Hybrids: execute Multi-Calibration.