Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSGMC1999FORWARD CONTROL 5.7 R, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 333 (DISC BRAKES)REMOVAL & INSTALLATIONFRONT BRAKE CALIPERINSTALLATION
1999 GMC Forward Control 5.7 R, Automatic
Front Brake Caliper: Installation
1999 GMC Forward Control 5.7 R, AutomaticSECTION Installation
WARNING: This page is about a different car, the 2003 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
- If reusing the brake caliper pin bolts, wipe away any debris and old lubricant with a with a clean shop cloth.
- Apply GM lubricant (18047666), or equivalent, to the brake caliper pin bolts. Apply a thin layer to the pin bushing and to the caliper pin bolt shank. Ensure that there is not a buildup of excess lubricant at the end of the leading caliper pin, in front of the bushing.
- Install the caliper over the rotor and onto the caliper bracket.NOTE: The leading caliper pin, or top bolt, has a bushing as part of the assembly. The trailing caliper pin, or bottom bolt, is a solid design.
- Install the caliper pin bolts. The leading caliper pin bolt, or top bolt, has a bushing as part of the assembly. The trailing caliper pin bolt, or bottom bolt, is a solid design. Ensure that the bolt boots fit securely in the groove of the caliper pin bolts. If the boots are damaged, they must be replaced. Tighten the brake caliper pin bolts to specification. See TORQUE SPECIFICATIONS
.NOTE: Install NEW copper brake hose gaskets.
- Assemble the brake hose bolt and the NEW copper brake hose gaskets to the brake hose. Install the brake hose-to-caliper bolt to the brake caliper. Tighten the brake hose-to-caliper bolt to specification. See TORQUE SPECIFICATIONS .
- Remove the 2 wheel lug nuts retaining the rotor to the hub.
- Install the front tire and the wheel assembly. Tighten wheel lug nuts to specification. See TORQUE SPECIFICATIONS . Lower the vehicle.
- Fill the master cylinder to the proper level with clean brake fluid. See MASTER CYLINDER RESERVOIR FILLING .
- Bleed brake hydraulic system. See BLEEDING BRAKE SYSTEM .
- Inspect the hydraulic brake system for brake fluid leaks.
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.