Auxiliary Heater Outlet and Inlet Line: Removal
WARNING: This page is about a different car, the 2017 Lincoln Navigator and 2017 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Removal steps in this procedure may contain installation details.
NOTE:
The auxiliary heater inlet and outlet lines are not supplied together as an assembly. The auxiliary heater inlet line and outlet line are each installed from the factory as one-piece assemblies. The replacement parts are supplied as separate kits containing multiple-piece lines for ease of installation.
NOTE:
The following procedure can be used to remove and install one or both the auxiliary heater inlet and auxiliary heater outlet lines. If only one auxiliary heater line is to be removed and installed, cut or disconnect only the desired line at the specified points within the procedure.
All vehicles
- 1.
With the vehicle in NEUTRAL, position it on a hoist. Refer to Jacking and Lifting .
- 2.
Drain the engine coolant. Refer to Engine Cooling .
- 4.
Remove the Right Hand (RH) front wheel and tire. Refer to Wheels and Tires .
- 5.
Remove the RH fender splash shield. Refer to Front End Body Panels .
- 6.NOTE: If only one auxiliary heater line is to be removed, disconnect only the desired line.
Disconnect the auxiliary heater outlet and/or inlet line front quick disconnect fitting(s).
- 7.
Working through the RH fender well opening, remove the front auxiliary line bracket nut and the front auxiliary line bracket.
Expedition EL or Navigator L only
- 8.
Remove the RH front wheel and tire. Refer to Wheels and Tires .
All vehicles
- 9.NOTE: Allow any residual coolant to drain from the auxiliary heater core after disconnecting the auxiliary heater hose fittings.
Position a suitable drain pan and disconnect the auxiliary heater hose fittings from the heater core at the floorpan connection.
- 10.
Remove the muffler. Refer to Exhaust System .
- 11.
Remove the RH Catalyst Monitor Sensor(CMS). Refer to Electronic Engine Controls .
- 12.
Remove the center auxiliary line bracket nuts and the auxiliary line brackets.- Tighten to 5 Nm (44 lb-in).
- 13.
Remove the rear auxiliary line bracket nut and the auxiliary line bracket.- Tighten to 5 Nm (44 lb-in).
- 14.NOTE: If installing only one auxiliary heater line, cut only the desired line.
Assemble and lay out the replacement line(s) in the same position as the existing line(s) and, using a suitable tool, cut the auxiliary heater line(s) in the same position as the fittings on the new line(s).
Expedition EL or Navigator L only
- 15.
Remove the center section(s) of the auxiliary heater line(s) through the RH rear wheel well opening between the body and the frame.
Expedition or Navigator only
- 16.
Remove the center section(s) of the auxiliary heater line(s) by manipulating the line(s) toward the front of the vehicle between the RH catalytic converter and frame.