How to replace wheel cylinders in a Mercury Mariner?

If replacement is indicated (usually because of fluid leakage or sticky operation), it is recommended that the wheel cylinders be replaced, not overhauled. Always replace the wheel cylinders in pairs - never replace just one of them. Raise the rear of the vehicle and support it securely on jackstands. Block the front wheels to keep the vehicle from rolling. Remove the brake shoe assembly. Remove all dirt and foreign material from around the wheel cylinder. Disconnect the brake line. Don't pull the brake line away from the wheel cylinder. Remove the wheel cylinder mounting bolts. Detach the wheel cylinder from the brake backing plate and immediately plug the brake line to prevent fluid loss and contamination. Place the wheel cylinder in position and install the bolts finger tight. Connect the brake line to the cylinder, being careful not to cross thread the fitting. Tighten the wheel cylinder mounting bolts. Now tighten the brake line filling securely. Install the brake shoe assembly. Bleed the brakes. Check the operation of the brakes carefully before driving the vehicle.

Genuine Mercury Mariner Wheel Cylinder

Brake Wheel Cylinder

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Mercury Mariner Cylinder Assy - Rear Brake
Part Number: 8L8Z-2261-AD
$49.04 MSRP: $97.45
You Save: $48.41 (50%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Wheel Cylinder
- Position: Rear
- Replaces: 8L8Z-2261-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2008-2011 Mercury Mariner | 4 Cyl 2.3L, 4 Cyl 2.3L Hybrid Gas/Electric DOHC, 4 Cyl 2.5L Duratec (110kW/150PS), 4 Cyl 2.5L PFI Gas/Electric, 6 Cyl 3.0L DOHC EFI Modular, 6 Cyl 3.0L OHC Duratec | 4AT CD4E, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
View related parts
Mercury Mariner Kit - Wheel Brake Cylinder Repair
Part Number: YL8Z-2128-BA
$20.20 MSRP: $27.61
You Save: $7.41 (27%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Wheel Cylinder Overhaul Kit
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2007 Mercury Mariner | 4 Cyl 2.3L, 4 Cyl 2.3L Hybrid Gas/Electric DOHC, 6 Cyl 3.0L DOHC EFI Modular | 4AT CD4E, 5-Speed Manual Transmission, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Right Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive, Two-Wheel Drive (Left Hand Drive), Two-Wheel Drive (Right Hand Drive)
View related parts
Mercury Mariner Cylinder Assy - Rear Brake
Part Number: 8L8Z-2261-AA
$49.04 MSRP: $97.45
You Save: $48.41 (50%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Position: Rear
- Replaced by: 8L8Z-2261-AD
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2008 Mercury Mariner | 4 Cyl 2.3L, 4 Cyl 2.3L Hybrid Gas/Electric DOHC, 6 Cyl 3.0L DOHC EFI Modular | 4AT CD4E, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
View related parts
Mercury Mariner Cylinder Assy - Rear Brake
Part Number: YL8Z-2261-BB
Product Specifications
- Other Name: Wheel Cylinder
- Position: Rear
- Replaces: YL8Z-2261-BA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2007 Mercury Mariner | 4 Cyl 2.3L, 4 Cyl 2.3L Hybrid Gas/Electric DOHC, 6 Cyl 3.0L DOHC EFI Modular | 4AT CD4E, 5-Speed Manual Transmission, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Right Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive, Two-Wheel Drive (Left Hand Drive), Two-Wheel Drive (Right Hand Drive)
View related parts
Mercury Mariner Kit - Wheel Brake Cylinder Repair
Part Number: 8L8Z-2128-A
Product Specifications
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2008-2011 Mercury Mariner | 4 Cyl 2.3L, 4 Cyl 2.3L Hybrid Gas/Electric DOHC, 4 Cyl 2.5L Duratec (110kW/150PS), 4 Cyl 2.5L PFI Gas/Electric, 6 Cyl 3.0L DOHC EFI Modular, 6 Cyl 3.0L OHC Duratec | 4AT CD4E, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive

Mercury Mariner Wheel Cylinder

The Wheel Cylinder part of Mercury Mariner vehicles involves pressing pressure on the brake shoes with a view of having them rub on the brake drum so as to slow down, or, stop the car. To accomplish this goal, this hydraulic system employs Pistons, Cup seals, and an expander spring, and is made with cast iron or aluminum body. Hydraulic pressure builds up when the brake pedal is pressed pushing the pistons outwards and the shoes against the drum, this is reversed by the return springs that retract the shoes as well as the hydraulic pistons when the brake pedal is released. Gradually, moisture seeps into the brake fluid and causes corrosion and pitting of the inner wall of the wheel cylinder bore allowing some brake fluid to leak and weaken the brake system. As a result, the periodic examination and servicing of the wheel cylinders are the measures needed to guarantee the sufficiently high level of effective braking and safety on the road level.

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Mercury Mariner Wheel Cylinder Parts Questions & Experts Answers

Cylinder Assy - Rear Brake
8L8Z-2261-AD
Q: How to replace wheel cylinders in a Mercury Mariner?
A: If replacement is indicated (usually because of fluid leakage or sticky operation), it is recommended that the wheel cylinders be replaced, not overhauled. Always replace the wheel cylinders in pairs - never replace just one of them. Raise the rear of the vehicle and support it securely on jackstands. Block the front wheels to keep the vehicle from rolling. Remove the Brake Shoe assembly. Remove all dirt and foreign material from around the wheel cylinder. Disconnect the Brake Line. Don't pull the brake line away from the wheel cylinder. Remove the wheel cylinder mounting bolts. Detach the wheel cylinder from the brake backing plate and immediately plug the brake line to prevent fluid loss and contamination. Place the wheel cylinder in position and install the bolts finger tight. Connect the brake line to the cylinder, being careful not to cross thread the fitting. Tighten the wheel cylinder mounting bolts. Now tighten the brake line filling securely. Install the brake shoe assembly. Bleed the brakes. Check the operation of the brakes carefully before driving the vehicle.