CTS Sedan AWD V6-3.0L (2010)
Brake Hose/Line: Service and Repair
Power Brake Booster Vacuum Check Valve and Hose Replacement (RHD)
Power Brake Booster Vacuum Check Valve and Hose Replacement (LF1, LLT (RHD))
Removal Procedure
1. With the engine OFF, apply and release the brake pedal several times until the brake pedal becomes firm to deplete the power vacuum brake
booster vacuum reserve.
2. Remove the fuel injector sight shield and intake manifold insulator. Refer to Fuel Injector Sight Shield Replacement (LP1, LY7) (See: Powertrain
Management/Fuel Delivery and Air Induction/Fuel Injector/Service and Repair/Fuel Injector Sight Shield Replacement)Fuel Injector Sight Shield
Replacement (LLT) (See: Powertrain Management/Fuel Delivery and Air Induction/Fuel Injector/Service and Repair/Fuel Injector Sight Shield
Replacement).
3. Remove the power vacuum brake booster check valve and hose assembly (1) from the power vacuum brake booster.
4. Remove and discard the vacuum hose clamp (1).
