Installation Procedure

WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: EVAP Crossover Pipe & Tank Crossover Hose

Courtesy of GENERAL MOTORS CORP.

NOTE: 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.

Remove the caps from the pipes.
Connect the EVAP pipe (2) at the right tank EVAP pipe (3) and the left tank EVAP pipe (1).
Connect the tank crossover hose (5) at the right fuel tank and the left fuel tank.

NOTE: Refer to Fastener Notice in Cautions and Notices.

Push the clamp (4) outboard against the fuel tank, keeping the clamp parallel with the white stripe on the tank crossover hose.
Tighten: Tighten the tank crossover hose clamps to 4 N.m (35 lb in).
Install the right and left muffler. Refer to Muffler Replacement - Right and to Muffler Replacement - Left in Engine Exhaust.
Refill the fuel system.
Tighten the fuel filler cap.
Connect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure in Engine Electrical
Use the following procedure in order to inspect for leaks:
1. Turn the ignition switch ON, with the engine OFF for 2 seconds.
2. Turn the ignition switch OFF, for 10 seconds.
3. Turn the ignition switch ON, with the engine OFF.
4. Inspect for fuel leaks.
Program the transmitters. Refer to Transmitter Programming in Keyless Entry.