1995 Chevrolet C2500 Suburban Brake Service (ONLINE REPAIR MANUALS)

Astro & Safari

• Disconnect master cylinder from power brake unit.
• Disconnect power brake unit pushrod from brake pedal.
• Remove power brake unit retaining nuts and the power brake unit.
• Reverse procedure to install.

Full Size Except C & K Series

• Remove master cylinder attaching nuts and position master cylinder aside. Do not disconnect brake lines from cylinder.
• Disconnect power brake unit pushrod from brake pedal.
• Remove attaching nuts, then the power brake unit.
• Reverse procedure to install.

S/T Series & Bravada

• Disconnect master cylinder assembly and vacuum hose from power br...

Brake System Bleed

1992

Before bleeding the brakes, the front and rear displacement cylinder pistons must be returned to the top most position. Using a TECH 1 or equivalent scan tool, enter manual control function and apply the front and rear motors. Ensure enable relay is on.

Use only DOT 3 brake fluid from a clean and sealed container. Do not use DOT 5 brake fluid.

Pressure Bleeding

• Remove master cylinder cover, ensure reservoir is properly filled.
• Connect bleeder adapter tool No. J 35589, or equivalent, to master cylinder reservoir.
• Connect bleeder adapter to pressure bleeding equipm...

Removal

• Remove caliper assembly as outlined above.
• Remove inboard pad with retainer spring. Dislodge outboard pad and position caliper on the front suspension so the brake hose will not support the weight of the caliper.
• Remove two sleeves from inboard ears of the caliper.
• Remove four rubber bushings from the grooves in each of the caliper ears.

Installation

• Lubricate new sleeves, rubber bushings, bushing grooves and mounting bolt ends with Delco Silicone Lube or equivalent.
• Install new bushings and sleeves in caliper ears. Position the sleeve so that the end toward the pad is flush ...

Height Sensing Proportioning Valve

The height sensing proportioning valve must be adjusted whenever the valve and/or linkage is disassembled or removed for service. In addition, adjustment should be checked if excessive front wheel lock-up is experienced with a lower than desired brake application rate when vehicle is at or near maximum GVWR.

• Raise and support vehicle leaving wheels on, and allow axle to hang freely.
• Remove lever retaining nut and disconnect lever from valve shaft, Fig. .
• Rotate valve shaft to permit installation of correct adjustment gauge, Fig. , ensuring that D shape...

The Bendix single piston sliding caliper disc brake is standard equipment on some truck applications, while on other trucks it is used only in Hydro-Boost power brake applications with both front disc brakes and 4 wheel disc brakes. On 4 wheel disc brakes, the front and rear systems are identical.

T...

Brake Drums

Any time the brake drums are removed for brake service, the braking surface diameter should be checked with a suitable brake drum micrometer at several points to determine if they are within the safe, oversize limit stamped on the brake drum outer surface. If the braking surface diameter exceeds specifications, the drum must be replaced. If the braking surface diameter is within specifications, drums should be cleaned and inspected for cracks, scores, deep grooves, taper, out-of-roundness and heat spotting. If drums are cracked or heat spotted, they must be ...