Installation Procedure

IMPORTANT: Care should be taken not to fold over or twist the fuel pump strainer when installing the fuel sender assembly, as this will restrict fuel flow. Also, assure that the fuel pump strainer does not block full travel of float arm.

IMPORTANT: Ensure that the fuel sender assembly retaining ring is fully seated within the tab slots on the fuel tank.

Fig 1: View Of Fuel Sender Retaining Ring

Courtesy of GENERAL MOTORS CORP.

IMPORTANT: Always replace the fuel sender seal when reinstalling the fuel sender assembly.

Position the new fuel sender assembly seal on the fuel tank.
Place the fuel sender assembly into the fuel tank.
Install the fuel sender assembly retaining ring.
Connect the fuel sender electrical connector.
Install the fuel tank pressure sensor.
Connect the fuel tank pressure sensor electrical connector.
Connect the quick-connect fittings at the fuel sender assembly. Refer to Quick Connect Fitting(s) Service (Plastic Collar) .
Connect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure in Engine Electrical.
Inspect the fuel system for leaks by performing the following steps:
1. Turn ON the ignition for 2 seconds.
2. Turn OFF the ignition for 10 seconds.
3. Turn ON the ignition.
4. Inspect for fuel leaks.

Fig 2: Locating Fuel Sender Access Panel

Courtesy of GENERAL MOTORS CORP.

Install the fuel sender access panel.

NOTE: Refer to Fastener Notice in Cautions and Notices.

Install the fuel sender access panel nuts.
Tighten: Tighten the nuts to 10 N.m (89 lb in).
Install the rear compartment trim panel. Refer to Compartment Trim Panel Replacement - Rear in Body Rear End.