Brake Caliper Replacement Front
Removal Procedure
Caution: Do not move the vehicle until a firm brake pedal is obtained. Failure
to obtain a firm pedal before moving vehicle may result in personal injury.
- Remove two-thirds of the brake fluid from the master cylinder.
- Raise and suitably support the vehicle. Refer to
Lifting and Jacking the Vehicle
in General Information.
- Mark the relationship of the wheel to the hub.
- Remove the tires and the wheel. Refer to
Tire and Wheel Removal and Installation
in Tires and Wheels. Install
two wheel nuts to retain the rotor.
- Push the piston (4) onto
the caliper bore in order to provide clearance between the linings and the
rotor. Complete the following steps:
5.1. | Install a large C-clamp over the top of the caliper housing (3)
and against the back of the outboard pad (1). |
5.2. | Slowly tighten the C-clamp until the piston (4) pushes into the
caliper bore enough to slide the caliper (3) off the rotor. Do not overtighten
the C-clamp. Overtightening the C-clamp will deform the outboard pad (1). |
Notice: Do not allow calipers to hang from the flexible hoses. Doing so can
damage the hoses.
- If you remove the caliper from the vehicle for unit repair (overhaul),
then remove the brake hose bolt that attaches the inlet fitting. If only the
brake pads are being replaced, do not disconnect the inlet fitting.
- Plug the openings in the caliper housing and the pipe in order
to prevent brake fluid loss and contamination.
- Remove the caliper bolts
(3).
- Remove the caliper housing (1) from the rotor and the caliper
bracket (2).
- Inspect the bolt boots for the following conditions:
- Inspect the piston boot for the following conditions:
- Inspect the bolt boots in the caliper bracket for the following
conditions:
- Inspect the caliper bolts
(1) for corrosion or damage. If corrosion is found, use new parts, including
bushings, when installing the caliper. Do not attempt to polish away
corrosion.
Installation Procedure
- Install the caliper housing
(1) over the rotor and the caliper bracket (2). Ensure that the bushings
are in place.
- Lubricate the caliper
bolts (1). Use silicone grease. Do not lubricate the threads.
- Lubricate the two bolt
boots in the caliper bracket (6). Use silicone grease.
Notice: Use the correct fastener in the correct location. Replacement fasteners
must be the correct part number for that application. Fasteners requiring
replacement or fasteners requiring the use of thread locking compound or sealant
are identified in the service procedure. Do not use paints, lubricants, or
corrosion inhibitors on fasteners or fastener joint surfaces unless specified.
These coatings affect fastener torque and joint clamping force and may damage
the fastener. Use the correct tightening sequence and specifications when
installing fasteners in order to avoid damage to parts and systems.
- Install the caliper
bolts (3). Use a screwdriver in order to push the bolt boot over the shoulder
of the caliper bolt. Ensure that the bolt boot fits securely in the groove
of the pin bolt.
Tighten
Tighten the caliper bolts to 85 N·m (63 lb ft).
Important: Replace the copper gaskets.
- Install the brake hose bolt, if removed.
Tighten
Tighten the brake hose bolt to 54 N·m (40 lb ft).
- Remove the wheel nuts securing the rotor to the hub.
- Install the tires and the wheels. Refer to
Tire and Wheel Removal and Installation
in Tires and Wheels. Align
the previous marks on the wheel and the hub.
- Lower the vehicle.
- Fill the master cylinder to the proper level with clean brake
fluid. Refer to
Master Cylinder Reservoir Filling
in Hydraulic Brakes.
- Bleed the caliper if the inlet fitting was removed. Refer to
Hydraulic Brake System Bleeding
in Hydraulic Brakes.
- Apply the brake pedal approximately three times after bleeding,
if necessary.
- Inspect the hydraulic brake system for brake fluid leaks.
Brake Caliper Replacement Rear
Removal Procedure
- Remove two-thirds of the brake fluid from the master cylinder.
- Raise and suitably support the vehicle. Refer to
Lifting and Jacking the Vehicle
in General Information.
- Mark the relationship of the wheel to the hub and bearing.
- Remove the tires and the wheel. Refer to
Tire and Wheel Removal and Installation
in Tires and Wheels. Install
two wheel nuts in order to retain the rotor.
- Push the piston (7) onto
the caliper bore (2) in order to provide clearance between the linings and
the rotor. Complete the following steps:
• | Install a large C-clamp over the top of the caliper housing (15)
and against the back of the outboard pad (9). |
• | Slowly tighten the C-clamp until the piston (7) is pushed into
the caliper bore (2) enough in order to slide the caliper (15) off the rotor.
Do not overtighten the C-clamp. Overtightening will deform the outboard
pad (9). |
- Remove the hose bolt attaching the inlet fitting.
- Plug the openings in the caliper housing (15) and the pipe in
order to prevent brake fluid loss and contamination.
- Remove the caliper bolts (1 and 3).
Notice: Do not allow calipers to hang from the flexible hoses. Doing so can
damage the hoses.
- Remove the caliper housing (3) from the rotor (4) and the caliper bracket
(1).
- Inspect the piston boots for the following conditions:
- Inspect the caliper bracket boots for the following conditions:
- Inspect the caliper bolts (2) for corrosion or damage. If corrosion
is found, use new parts, including bushings, when installing caliper. Do not
attempt to polish away corrosion.
Installation Procedure
- Install the caliper (3)
over the rotor (4) and the caliper bracket (1). Ensure that the bushings are
in place.
- Lubricate the caliper
bolts (1 and 3). Use silicone grease. Do not lubricate the threads.
- Lubricate the two rubber boots (13 and 4) in the caliper bracket
(12). Use silicone grease.
Notice: Use the correct fastener in the correct location. Replacement fasteners
must be the correct part number for that application. Fasteners requiring
replacement or fasteners requiring the use of thread locking compound or sealant
are identified in the service procedure. Do not use paints, lubricants, or
corrosion inhibitors on fasteners or fastener joint surfaces unless specified.
These coatings affect fastener torque and joint clamping force and may damage
the fastener. Use the correct tightening sequence and specifications when
installing fasteners in order to avoid damage to parts and systems.
- Install the caliper
bolts (1 and 3). Use a flat bladed tool in order to push the boot over the
shoulder of the caliper bolt. Ensure that the boot is securely in the groove
of the caliper bolt.
Tighten
Tighten the caliper bolts (1 and 3) to 44 N·m (32 lb ft).
Important: Replace the copper gaskets.
- Install the brake hose bolt.
Tighten
Tighten the brake hose bolt to 54 N·m (40 lb ft).
- Remove the wheel nuts securing the rotor to the hub and bearing.
- Install the tires and the wheels. Refer to
Tire and Wheel Removal and Installation
in Tires and Wheels. Align
the previous marks on the wheel and the hub and bearing.
- Lower the vehicle.
- Fill the master cylinder to the proper level with clean brake
fluid. Refer to
Master Cylinder Reservoir Filling
in Hydraulic Brakes.
- Bleed the entire brake system. Refer to
Hydraulic Brake System Bleeding
in Hydraulic Brakes.
- Apply the brake pedal approximately three times after bleeding,
in order to seat the pads against the rotor.
- Inspect the hydraulic brake system for brake fluid leaks.