For 1990-2009 cars

### Removal Procedure

1. Refer to Lifting and Jacking the Vehicle in Cautions and Notices. Raise the vehicle.

Notice: Replace the EVAP pipes and hoses with the original equipment or parts that meet the GM specifications for those parts. The replacement EVAP pipe must have the same type of fittings as the original pipe in order to ensure the integrity of the connection. When replacing EVAP hoses, use only reinforced fuel-resistant hose identified with the word Fluoroelastomer or GM 6163-M on the hose. The inside hose diameter must match the outside pipe diameter. Do not use rubber hose within 100 mm (4 in) of any part of the exhaust system or within 254 mm (10 in) of the catalytic converter.

Notice: Do Not attempt to repair the EVAP pipes or the connecting hoses. Replace the damaged EVAP pipes or the connecting hoses are damaged. If the nylon EVAP pipe becomes kinked and cannot be straightened, it must be replaced.

2. Remove the hardware retaining the chassis EVAP pipes. Note the location of the attaching hardware for installation.
3. Disconnect the chassis EVAP pipe quick connector at the EVAP canister.
4. Disconnect the chassis EVAP pipe quick connector at the front frame rail.
5. Remove the chassis EVAP pipe.

### Installation Procedure

Notice: Properly secure the EVAP pipe in order to prevent chafing of the pipe.

Important: Route the replacement EVAP pipes in the same manner as the original EVAP pipes were routed.

1. Install the chassis EVAP pipe.
2. Connect the chassis EVAP pipe quick connector at the front frame rail.
3. Connect the chassis EVAP pipe quick connector at the EVAP canister.
4. Install the hardware retaining the chassis EVAP pipe.
5. Lower the vehicle.