1995 Oldsmobile Aurora Fuel Chassis Line Removal and Installation
1995 Oldsmobile Aurora Fuel Chassis Line Removal and InstallationThe following procedure is for replacing the fuel lines from the fuel rail on the engine back to and including the fuel filter under the vehicle. The new fuel lines come complete with all necessary retainers. It applies only to the 1995 Oldsmobile Aurora and is based on the fuel rail being replaced at the same time. Therefore the steps or procedures for relieving fuel pressure, disconnecting the lines from the fuel rail, etc., can be found in the fuel rail replacement section of this recall bulletin.
1. Disconnect the fuel lines (5) from the underhood retainers on the throttle body and body sheet metal (4).
2. Separate the cruise control cable from the retainer.
3. Remove the retainers from the body sheet metal and throttle body and discard.
4. Using a sharp utility knife, cut off the plastic fuel lines where they meet the steel fuel lines (1) near the vacuum brake booster.
5. Disconnect the evaporative emission hose.
6. Remove the two nuts that attach the ABS module to the left strut (shock) tower.
7. Remove the ABS module and disconnect the electrical connector.
8. Partially raise the vehicle on a suitable hoist and support.
9. Remove the left front tire and wheel assembly.
10. Remove the 7 push-in type retainers attaching the rear of the left front wheelhouse liner and reposition the liner as necessary to access the transmission mount and the brace connecting the body rail and the lower cowl.
11. Raise the vehicle fully.
12. Support the rear of the engine frame (cradle) as necessary.
13. Remove the four rear cradle bolts.
14. Remove the two nuts attaching the left side transmission bracket to the body mount.
Notice
When lowering the cradle in the next step, pay close attention to the intermediate steering shaft between the steering gear and the steering column. Do not allow the engine and cradle to be supported by the shaft.
15. Lower the rear of the cradle as necessary.
16. Remove the four bolt (4) attaching the brace (3) between the body rail (2) and the lower cowl sheet metal. Remove the brace.
17. Remove the bolt attaching the fuel line retainer (2) to the lower cowl sheet metal.
18. Remove the fuel lines from that retainer.
19. From underneath the vehicle, release the four fuel line retainers (3) from the underbody.
20. Unclip the fuel lines from the retainers.
21. Disconnect the fuel feed line at the quick connect on the rearward end of the fuel filter (5).
22. Disconnect the remaining two lines at the quick connects rearward (6) of the fuel filter.
23. Remove the fuel lines and all retainers from the vehicle.
Important
Do NOT bend the new fuel lines when installing in the next step.
24. Position the NEW fuel lines under the vehicle and route the engine end of the lines up into the engine compartment.
25. Install the new fuel lines and retainers to the floor pan.
Caution
In order to reduce the risk of fire and personal injury, before connecting fuel pipe fittings, always apply a few drops of clean engine oil to the male pipe ends. This will ensure proper reconnection and prevent a possible fuel leak. During normal operation, the 0-rings located in the female connector will swell and may prevent proper reconnection if not lubricated.
26. Apply a few drops of clean engine oil to the male ends of the quick connect pipes.
27. Install the NEW fuel filter to the fuel line and quick connect fitting. Push both sides of the fitting together to cause the retaining tabs/fingers to snap into place.
Tighten the flare nut to 30 Nm (22 lb ft).
28. Connect the remaining quick-connect fittings under the vehicle. Push both sides of the fittings together to cause the retaining tabs/fingers to snap into place.
29. Pull on both sides of all quick-connect fittings to ensure connections are secure.
30. Install the fuel lines to the retainer. Position the retainer to the lower cowl sheet metal and install the bolt.
Tighten the bolt to 9 Nm (7 lb ft).
31. Position the brace between the body rail and the lower cowl sheet metal. Install the four bolts.
Tighten to 50 Nm (37 lb ft).
32. Raise the rear of the engine cradle and install the four bolts.
Tighten to 100 Nm (74 lb ft).
33. Install the two nuts attaching the left side transmission bracket to the body mount.
Tighten to 35-45 Nm (47-61 lb ft).
34. Position the left front wheelhouse liner and install the seven push-in retainers.
35. Install the left front tire and wheel.
Tighten the nuts to 140 Nm (100 lb ft).
36. Lower the vehicle.
37. Connect the electrical connector to the ABS module.
38. Position the ABS module to the left strut (shock) tower and install the two nuts.
Tighten to 11 Nm (96 lb in).
Caution
In order to reduce the risk of fire and personal injury, before connecting fuel pipe fittings, always apply a few drops of clean engine oil to the male pipe ends. This will ensure proper reconnection and prevent a possible fuel leak. During normal operation, the 0-rings located in the female connector will swell and may prevent proper reconnection if not lubricated.
39. Apply a few drops of clean engine oil to the male ends of the quick connect pipes.
40. Connect the quick-connect fittings on the plastic tubing to the fuel lines. Push both sides of the fitting together to cause the retaining tabs/fingers to snap into place.
41. Pull on both sides of all quick-connect fittings on the plastic tubing to the fuel lines. Push both sides of the fitting together to cause the retaining tabs/fingers to snap into place.
42. Attach the fuel line retainer to the body sheet metal and throttle body.
43. Connect the cruise control cable to the retainer.
44. Attach the new evaporative emissions hose.
45. Refer to the fuel rail replacement procedure for connecting fuel liens to the fuel rail and the remainder of the recall procedure.