Cobalt L4-2.2L (2008)
Replacement)Front Brake Hose Replacement (With RPO LNF) (See: Hydraulic System/Brake Hose/Line/Service and Repair/Front Brake
Hose Replacement)
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Rear Brake Hose Replacement (Jounce) (See: Hydraulic System/Brake Hose/Line/Service and Repair/Rear Brake Hose Replacement
(Jounce))Rear Brake Hose Replacement (Caliper) (See: Hydraulic System/Brake Hose/Line/Service and Repair/Rear Brake Hose
Replacement (Caliper))
*
Front Brake Caliper Overhaul (Without RPO LNF) (See: Disc Brake System/Brake Caliper/Service and Repair/Overhaul/Front Brake
Caliper Overhaul)Front Brake Caliper Overhaul (With RPO LNF) (See: Disc Brake System/Brake Caliper/Service and
Repair/Overhaul/Front Brake Caliper Overhaul) or Front Brake Caliper Replacement (Without RPO LNF) (See: Disc Brake System/Brake
Caliper/Service and Repair/Removal and Replacement/Front Brake Caliper Replacement)Front Brake Caliper Replacement (With RPO
LNF) (See: Disc Brake System/Brake Caliper/Service and Repair/Removal and Replacement/Front Brake Caliper Replacement)
*
Rear Brake Caliper Overhaul (See: Disc Brake System/Brake Caliper/Service and Repair/Overhaul/Rear Brake Caliper Overhaul) or Rear
Brake Caliper Replacement (See: Disc Brake System/Brake Caliper/Service and Repair/Removal and Replacement/Rear Brake Caliper
Replacement) , if equipped
*
Wheel Cylinder Replacement (See: Drum Brake System/Wheel Cylinder/Service and Repair) , if equipped
*
Proportioning Valve Replacement (See: Hydraulic System/Brake Proportioning/Combination Valve/Service and Repair) , if equipped
*
Brake Pressure Modulator Valve Replacement (Without JL4) (See: Antilock Brakes / Traction Control Systems/Hydraulic Control
Assembly - Antilock Brakes/Service and Repair/Brake Pressure Modulator Valve Replacement (Without JL4))Brake Pressure Modulator
Valve Replacement (With JL4) (See: Antilock Brakes / Traction Control Systems/Hydraulic Control Assembly - Antilock Brakes/Service
and Repair/Brake Pressure Modulator Valve Replacement (With JL4)) , if equipped
4. If the brake fluid was NOT contaminated with an oil-based or a silicone-based substance, but WAS contaminated with water or dirt, rust,
corrosion, and/or brake dust, replace the brake master cylinder reservoir cap diaphragm which may have allowed the moisture or particles to enter
the hydraulic system.
5. Fill the brake master cylinder reservoir to the maximum-fill level with GM approved or equivalent DOT-3 brake fluid from a clean, sealed brake
fluid container.
6. Pressure bleed the hydraulic brake system. Begin the procedure with the pressure bleeder reservoir filled to the maximum-fill level with the correct
brake fluid as indicated. Refer to Hydraulic Brake System Bleeding (Pressure) (See: )Hydraulic Brake System Bleeding (Manual) (See: ) .
