Removal Procedure

WARNING: This page is about a different car, the 2010 Pontiac G5 and 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.

Inspect the fluid level in the brake master cylinder reservoir.
If the brake fluid level is midway between the maximum-full point and the minimum allowable level, no brake fluid needs to be removed from the reservoir before proceeding.
If the brake fluid level is higher than midway between the maximum-full point and the minimum allowable level, remove brake fluid to the midway point before proceeding.
Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .

Fig 1: Identifying Lower Caliper Guide Pin & Brake Pad Retainer

Courtesy of GENERAL MOTORS CORP.

Holding the lower end of the retainer (1) down and using a hammer and punch carefully tap the lower caliper guide pin (2) inward out of the caliper.
Carefully rotate the brake pad retainer (1) upward.
Remove the brake pad retainer (1).

Fig 2: Removing & Installing Brake Pads

Courtesy of GENERAL MOTORS CORP.

Using a hammer and punch carefully tap the upper caliper to brake pad mounting pin (2) inward out of the caliper.
Using a disc brake pad spreader, apply pressure to the brake pad backing plates until the caliper pistons are fully compressed into the caliper piston bores.
Remove the brake pads (1) from the caliper.