Saturday, June 18, 2011

BC BRONCO Rear Disk Brakes Installation

Basic kit includes:
NOTE: All other parts to complete the rear disk brake install may be purchased at a full service auto parts store or may be purchased directly from BC Broncos as needed or as a complete kit.
2 - BC Broncos caliper hanger bracket (right/left)
NOTE: The caliper hanger brackets come in either “big bearing” or “small bearing” configurations.
8 - Allen mounting bolts with torque prevailing nuts
2 - Bearing spacer plates (big or small bearings configuration)
10 - Wheel studs (Bendix™ p/n _____________)
2 - Shock relocating kits
INSTALL
1. Move the Bronco to a flat and level area.
2. Jack the rear axle up and support it securely on jack stands.
3. Remove the rear wheels.
4. Remove the rear shocks.
5. Remove the brake drums. Make sure the e-brake in NOT engaged.
WARNING: Brake dust contains ASBESTOS and could be a very serious health hazard. DO NOT breath the dust that is contained in the brake drum or accumulated on the brake parts within the drum. Use caution when removing these parts and DO NOT use compressed air to blow this area clean.
NOTE: The brake drum may be corroded to the wheel flange. If it does not come off easily, soak the center area where the axle flange joins the drake drum with Liquid Wrench™ (or equivalent) for a few hours.
6. Disconnect emergency brake cable at the e-brake lever attached to the rear brake shoe.
7. Disengage the e-brake cable casing (three finger clips) from the brake backing plate.
8. Disconnect brake line to the wheel cylinder.
WARNING: Use rags to soak up any brake fluid that leaks out of the brake lines and wheel cylinders. Brake fluid removes paint and is toxic if swallowed.
9. Through the hole in the axle wheel flange, remove the 4 bolts and nuts that secure the brake backing plates to the axle flange. See Figure 1.
10. Remove brake backing plate assembly. It will not be necessary to remove any brake hardware from the backing plate.
11. If new e-brake cables are being installed, disconnect the old e-brake cables from the frame mounting bracket (above the transfer case) and remove cables.
12. Remove the axle.
NOTE: In some cases it may take a slide hammer axle remover to pull the axles.
13. Using a wire brush, scraper, etc, thoroughly clean and inspect the bearing retainer flange on the axle. Remove any irregularities such as welding slag, nicks, etc that would prevent the caliper bracket from mounting flush. See Figure 2.
WARNING: This inspection is very important. If the caliper bracket does not mount flush, brake performance will be greatly affected.
14. Test fit the caliper bracket to the axle flange to assure that the bracket fit flush.

source: http://www.bcbroncos.com/rear-disc2%20with%20water%20mark.pdf

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