Heater Hose Assembly

REMOVAL
1. Drain the radiator. For additional information, refer to Cooling System.
2. Remove the throttle body air intake tube. For additional information, refer to Fuel Delivery and Air Induction.







3. Remove the RH Cowl cover.







4. Push on the RH corner of the filter to release the clip. Release the LH clip and remove the cabin air filter.







5. Remove the seven bolts and remove the cross-vehicle support.







6. Remove the bolts.







7. Remove the cabin air filter housing by lifting the outboard side then removing the housing.







8. Remove the three bolts and remove the plenum panel.







9. Disconnect the heater hoses from the heater core.







10. Disconnect the three quick-disconnect couplings from the coolant control valve hoses.

NOTE:
- The top heater hose has a green identifying mark to match the hose on the dual coolant flow valve. If the marking is not visible, make sure to mark the hoses for location prior to disconnecting the couplings. This will aid in the correct installation of the hose assemblies.
- Hose connections shown with components removed for clarity.







11. Disconnect the coolant recovery line.







12. Remove the forward heater hose mounting bolt at the RH shock tower.
13. Raise the vehicle. For additional information, Refer to Maintenance/Service and Repair.







14. Remove the rear heater hose mounting bolt from the body side.

NOTE: View shown with components removed for clarity.







15. Position the hydraulic cooling fan reservoir aside.







16. Position the PCM wiring harness bracket aside.
17. Lower the vehicle and remove the heater hose assembly.







18. If necessary, remove the crimps and remove the bracket.

NOTE: Steps 18 and 19 are required only if the heater hose assembly is being separated.







19. If necessary, remove the rivet and remove the bracket.

INSTALLATION
1. Install heater hose assembly.







2. Install the hydraulic cooling fan reservoir.







3. Install the PCM wiring harness bracket.







4. Install the bracket using a new rivet.

NOTE: If the hose assembly has been separated, install the bracket removed using a new rivet.







5. Install the rear heater hose mounting bolt.







6. Install the forward heater hose mounting bolt.

NOTE: If the hose assembly has been separated, a new bracket must be installed.







7. Connect the coolant recovery line.







8. Install the couplings.












9. Install the heater hoses at the heater core.
- Refer to the chart to make sure the heater hoses are installed in the correct position at the heater core.
- Lubricate the coolant hoses with Merpol meeting Ford specification ESE-M99B144-B or plain water.
- Check correct hose installation by verifying the dual temperature control operation.
10. Install the cabin air intake plenum.
11. Install the cabin air filter.
12. Install the RH cowl cover.
13. Install the throttle body intake tube.
14. Fill the cooling system.