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Home >> Oldsmobile >> 1998 >> Aurora >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Remove/Install/Overhaul 4.0L >> Fuel System >> Fuel Pump & Sending Unit >> Installation
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Fuel Pump & Sending Unit: Installation

CAUTION: 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.
CAUTION: Always replace the fuel sender O-rings when reinstalling the fuel sender assembly.
  1. Position the new fuel sender assembly and O-ring on the fuel tank.
  2. Install the fuel sender assembly and the fuel sender assembly retainer cam using the J 39765 Fuel Sender Spanner Wrench.
  3. Install the quick-connect fittings at the fuel sender assembly.
  4. Install the electrical connector at the fuel sender.
  5. Install the electrical connector at the fuel tank pressure sensor.
  6. Install the negative battery cable.
  7. Inspect for leaks.
    • Turn the ignition switch to the On position for 2 seconds.
    • Turn the ignition switch to the Off for 10 seconds.
    • Turn the ignition switch to the On position.
    • Check for fuel leaks.
  8. Install the rear seat cushion.
  9. Install the fuel sender access panel. Tighten the bolts to 2 N.m (18 in lbs).
  10. Install the rear compartment floor trim.
  11. Install the spare tire, the jack, and the spare tire cover.
  12. Add fuel and install the fuel tank filler pipe cap.
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