Removal Procedure
WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
Refer to Brake Fluid Irritant Warning
.
CAUTION:
Refer to Brake Fluid Effects on Paint and Electrical Components Caution
.
- Turn the ignition to OFF, without pausing at ACCESSORY, and remove the ignition key.
- Wait approximately 1 to 3 minutes until the brake modulator and HPA pressure relief is complete.
- Remove the brake fluid from the brake master cylinder reservoir and discard into an approved container.
- Disconnect the brake fluid level sensor electrical connector.
- Disconnect the brake master cylinder reservoir return hose quick connect (1) and position the hose aside.
- Disconnect the brake master cylinder reservoir supply hose quick connect (2) and position the hose aside.
- Remove the brake master cylinder reservoir pins (1).
- Lift the master cylinder reservoir (1) straight up and remove the reservoir from the master cylinder.
- Remove the 3 master cylinder reservoir seals (1).
NOTE:
The ignition must be in the OFF position, without pausing at ACCESSORY, and without applying the brake pedal to ensure the brake modulator and high pressure accumulator (HPA) pressure relief occurs. This process will take approximately 1 to 3 minutes.
NOTE:
During the pressure relief process, the fluid level in the master cylinder reservoir will rise. Do not remove the master cylinder reservoir cap during the pressure relief process.
Fig 1: View Of Brake Master Cylinder Reservoir Return Hose Quick Connect & Supply Hose Quick Connect