2007 Chevrolet Silverado Brake Service (ONLINE REPAIR MANUALS)

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Removal

• Raise and support vehicle.
• Mark relationship of drum to hub.
• Remove and discard retaining clip.
• Remove brake drum. If brake drum does not come off easily, proceed as follows:
• Loosen parking brake cable.
• Remove backing plate access hole plug.
• Disengage self adjuster by inserting suitable flat-bladed tool through backing plate access hole.
• Loosen adjuster screw by inserting another flat-bladed tool through access hole .
• Install access hole plug.
• Apply small amount of penetrating oil around brake drum center hole.
• Remove brake drum.
• Disengage adjuster spring hook end from tab on adjus...

The caliper mounts in a way that allows the caliper to move laterally inboard as the brake pads wear. The caliper housing is a one piece casting with the inboard side containing the piston bore. The piston seal also acts as a return mechanism for the piston.

Applying the brake pedal causes the hydraulic pressure that moves the caliper piston. The piston then forces the inboard brake pad against the inboard braking surface of the rotor. Increasing the force against...

In order to properly service power brake systems, a thorough understanding of the various power assist systems is required. These systems provide a mechanical assist, acting to increase the force applied to the master cylinder piston by the driver while decreasing the effort required to obtain acceptable stopping performance. Two basic types of power assist mechanisms are used: vacuum assist diaphragm assemblies which use engine vacuum and in some cases vacuum from an external vacuum pump, and hydraulic assist assemblies which use hydraulic pressure developed by an external pump (us...

Manual Bleed

• If vehicle is equipped with power brakes, remove vacuum reserve by applying brakes several times with engine off.
• Fill master cylinder reservoirs with suitable brake fluid. Ensure to always keep master cylinder reservoirs at least half full during entire bleeding procedure.
• If master cylinder is suspected to have air in bore, it must be bled first. To bleed master cylinder, proceed as follows:
• Disconnect forward brake pipe connection at master cylinder.
• Allow brake fluid to fill master cylinder bore until it begins to flow from forward pipe connector port.
• Connect and ...

The power brake unit is n...

Hybrid Battery Service

Disconnect

Before working on any high voltage system, be sure to wear the following personal protection equipment: Safety glasses with appropriate side shields when within 50 feet of the vehicle, either indoors or outdoors. Certified and up-to-date Class "0" Insulation gloves rated at 1000V with leather protectors. Visually and functionally inspect the gloves before use. Wear the Insulation gloves at all times when working with the high voltage battery assembly, whether the system is energized or not. Failure to follow the procedure exactly as written may result...