Installation Procedure

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

Install the following NEW components to the fuel meter body:
- Lower fuel seals (4)
- Spacer rings (3)
- Upper fuel seals (2)
- Fuel seal retainers (1)

Fig 1: View Of Fuel Seal Retainers, Upper Fuel Seals, Spacer Rings & Lower Fuel Seals

Courtesy of GENERAL MOTORS CORP.

CAUTION: Always apply a few drops of clean engine oil to the male pipe ends before connecting the fuel pipe fittings in order to reduce the risk of fire and personal injury. This will ensure proper reconnection and prevent a possible fuel leak. During normal operation, the O-rings located in the female connector will swell and may prevent proper reconnection if not lubricated.

Apply a few drops of clean engine oil to the fuel feed/return pipe ends.
Install the fuel feed/return pipes to the fuel meter body.
Install the fuel feed/return pipe bracket.
Install the fuel feed/return pipe bracket nuts.
NOTE: Refer to Fastener Notice in Cautions and Notices.
Install the fuel feed/return pipe bolt.
Tighten:
1. Tighten the bolt to 6 N.m (53 lb in).
2. Tighten the nuts to 3 N.m (27 lb in).

Fig 2: View Of Fuel Feed/Return Pipe Bolt, Bracket & Nuts

Courtesy of GENERAL MOTORS CORP.

Remove the cap from the fuel pipes.
Install NEW O-rings on the fuel feed/return pipes.
Connect the fuel feed/return pipes (4) to the engine compartment pipes (5).
Tighten: Tighten the fittings to 28 N.m (21 lb ft).

Fig 3: View Of EVAP Pipe, Fuel Feed/Return Pipes & Engine Compartment Pipes

Courtesy of GENERAL MOTORS CORP.

Test the system for leaks using the following procedure:
1. Turn the ignition ON, with the engine OFF for 2 seconds.
2. Turn the ignition OFF for 10 seconds.
3. Turn the ignition ON, with the engine OFF.
4. Inspect for fuel leaks.
Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Resonator Replacement .