LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chevrolet >> 2004 >> Epica LS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 2.0L (L34 GMDAT) - Repair Instructions >> Repair Instructions >> Fuel Pump Replacement >> Installation Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Installation Procedure

    Fig 1: Identifying Fuel Pump Assembly Components
    GM1256140Courtesy of GENERAL MOTORS CORP.
  1. Clean the gasket mating surface on the fuel tank.
  2. Position the new gasket in place.
  3. Install the fuel pump into the fuel tank in the same location as removed for ease of line and connector installation.
  4. Position the lock ring in place and turn it clockwise until it contacts the tank stop.
  5. Connect the fuel pump assembly connector.
  6. Install the fuel pump outlet line.
  7. Install the fuel tank return line.
  8. Install the fuel pump access cover.
  9. Connect the negative battery cable.
  10. Perform an operational check of the fuel pump.
  11. Install the rear seat. Refer to Seat Back Replacement - Rear Split Folding in Seats.