Buick LeSabre 1986-1999
Buick Park Avenue 1996-1999
Oldsmobile 88 1992-1999
Oldsmobile Delta 88 1986-1988
Oldsmobile LSS 1996-1999
Pontiac Bonneville 1987-1999
- Relieve the fuel system pressure, as outlined in Section 5 of this manual.
- If not already done, disconnect the negative battery cable.
- Raise and safely support the vehicle.
To reduce fuel spillage, place a shop towel over the fuel lines before disconnecting.
If equipped with quick-connect fuel line fittings, perform the following:
- Grasp the filter and 1 fuel line fitting. Twist the quick-connect fitting 1 / 4 turn in each direction to loosen any dirt within the fitting. Repeat for the other fuel line fitting.
- Use compressed air, blow out dirt from the quick-connect fittings at both ends of the fuel filter.
- To disconnect plastic fuel line fittings, squeeze the plastic tabs of the male end of the connector and pull the connector apart. Repeat for the other fitting.
- To disconnect metal fuel line fittings, choose the proper size tool from a suitable quick-connect tool set, for the size of the quick-connect fitting. Insert the tool into the female connector, then push inward with the tool in order to release the locking tabs. Pull the connection apart.
If equipped with threaded fuel line fittings, perform the following:
- Use a back-up wrench to disconnect the fuel lines from the filter.
- Loosen the filter bracket attaching screw/bolt, then slide the filter from the bracket.
- If necessary, remove the protective caps from the new fuel filter. Position the filter in the bracket. Using new O-rings, install the fuel lines to the filter.
For filters with quick-connect lines, perform the following:
- Apply a few drops of clean engine oil to the male fuel pipe end.
- Push both sides of the quick-connect fitting together in order to cause the retaining tabs/fingers to snap into place.
- Once installed, pull on both sides of the quick-connect fitting to ensure connector is secure.
- If equipped, reposition the dust cover over the quick-connect fitting.
- For filters with threaded fuel lines, use a back-up wrench to prevent the filter from turning, then tighten the fittings to 22 ft. lbs. (30 Nm).
- Securely tighten the fuel filter bracket retaining screw/bolt.
- Carefully lower the vehicle.
- Connect the negative battery cable, and check for leaks as follows:
Buick Park Avenue 1998-1999
Oldsmobile Regency 1998
- Before servicing the vehicle, refer to the precautions in the beginning of this section.
- Disconnect the negative battery cable.
- Relieve the fuel system pressure.
- Twist the quick connector 1 / 4 turn in each direction to loosen any dirt that may have accumulated in the connector.
- Use compressed air to remove any dirt in the connector.
- Squeeze the plastic tabs of the male connector and pull apart.
- Remove threaded connection from the filter inlet.
- Remove the filter.
- Position the fuel filter, making sure it is facing in the proper direction.
Attach the outlet quick connect line to the fuel filter as follows:
- Step 1: Be sure the connector is clean and that a new plastic retainer is used on the filter.
- Step 2: Apply a couple of drops of engine oil to the male pipe end of filter.
- Step 3: Push the fuel line onto the fuel filter until the plastic retainer snaps into place.
- Step 4: Check that the connector is locked into place by trying to pull the connector from the filter.
- Install the threaded connection to the inlet side of filter and tighten to 22 ft. lbs. (30 Nm).
- Connect the negative battery cable.
- Pressurize the fuel system by turning the ignition switch to the ON position for 2 seconds. Turn OFF the ignition switch for 10 seconds. Turn ON the ignition switch. Check for fuel leaks.