Express 1/2 Ton Van V6-4.3L VIN X (2003)
1. Install the brake caliper bleed screw.
Tighten the brake caliper bleed screw to 12 Nm (106 inch lbs.).
2. Install the brake caliper bleed screw cap.
3. Lubricate the new piston seal and the brake caliper bore seal groove with brake fluid.
4. Install the new seal into the brake caliper bore seal groove.
5. Ensure that the seal is not twisted.
6. Lubricate the brake caliper bore and the piston with brake fluid.
7. Install the boot and piston
7.1.
Install the boot over the end of line piston so that the fold will face toward the brake caliper housing piston bore opening.
7.2.
Seat the boot into the brake caliper bore groove. Slide the piston into the brake caliper bore.
7.3.
Push down the piston to the bottom of the brake caliper bore.
7.4.
Ensure that the boot is properly seats into the piston groove and into the groove in the brake caliper bore.
8. Install the brake caliper to the vehicle.
Rear (25/35 Series)
Brake Caliper Overhaul - Rear (25/35 Series)
Caution:
Refer to Brake Dust Caution in Service Precautions.
See: Service Precautions/Technician Safety Information/Brake Dust Caution
Caution:
Refer to Brake Fluid Irritant Caution in Service Precautions.
See: Service Precautions/Technician Safety Information/Brake Fluid Irritant Caution
Disassembly Procedure
Important: Replace all the components included in the repair kits used to service this brake caliper.
Lubricate the rubber parts with clean brake fluid to make assembly easier.
The torque values specified are for dry. con lubricated fasteners.
Perform the service operations on a clean bench, free from all mineral oil materials.
1. Remove the brake caliper from the vehicle.
