Heater Inlet/Outlet Hoses and Heater Water Pump

HEATER INLET/OUTLET HOSES AND HEATER WATER PUMP

REMOVAL





1. Disconnect negative battery cable.
2. Drain coolant.
3. Position approved coolant container under vehicle below heater hose connections to catch any coolant that may be trapped in heater hoses.





4. Open heater hose assembly to manifold clamp.

IMPORTANT: Green plastic rings may be found hanging on the pipes after hose removal, these are manufacturing aids and should be discarded.








5. Remove heater core inlet hose from heater core pipe by depressing quick connect collar tab, located at 6 o'clock, and pulling black collar towards front of vehicle and then pulling quick connect off of heater core pipe.





6. Remove heater core outlet hose from heater core pipe by depressing quick connect collar tab, located at 6 o'clock, and pulling white collar toward front of vehicle and then pulling quick connect off of heater core pipe.





7. Remove return hose to engine housing clamp and remove return hose.
8. Remove heater core outlet hose to engine coolant inlet housing clamp and remove hose.





9. Remove heater inlet hose to coolant bridge clamp and remove hose.





10. Disconnect electrical connector from heater water pump.





11. Remove heater water pump mount and heat shield to bracket bolt and remove mount and heat shield.





12. Remove inlet and outlet hose to heater water pump clamps and remove hoses.

INSTALLATION

IMPORTANT:
^ Heater inlet hose quick connect coupling collar is black. Heater outlet quick disconnect coupling collar is white.
^ White line on hoses should always be installed at 12 o'clock position. Install heater hose/heater water pump assembly into manifold clamp but do not lock clamp.





1. Install block bolt to heater water pump mount and heat shield.
Torque: Water Pump Mount and Heat Shield Block Bolt: 8 Nm (71 inch lbs.)





2. Install heater water pump electrical connector.





3. Install heater inlet hose to coolant bridge and install clamp at 12 o'clock position.
4. Install heater inlet hose to heater pump and install clamp at 1 o'clock position.





5. Install heater pipe heater inlet hose to heater pump and install clamp at 12 o'clock position.





6. Install heater outlet hose to engine coolant inlet and install clamp.
7. Install return line to coolant bridge and install clamp at 2 o'clock position.





8. Install heater core inlet quick connect to heater inlet pipe (closest to driver's side). Holding quick connect by black collar, slide onto heater core pipe. When quick connect engages heater core pipe bead, collar will slide towards front of dash and lock into position. A green paint band will be visable when collar is properly positioned.
9. Verify proper engagement of quick connect by attempting to pull hose off of heater pipe.
10. Install heater core outlet quick connect to heater outlet pipe (closest to passenger's side). Holding quick connect by white collar, slide onto heater core pipe. When quick connect engages heater core pipe bead, collar will slide towards front of dash and lock into position. A green paint band will be visable when collar is properly positioned.
11. Verify proper engagement of quick connect by attempting to pull hose off of heater pipe.





12. With hoses properly positioned, close heater hose assembly to manifold clamp.
13. Connect negative battery cable.
Torque:
Battery Terminal Bolts: 17 Nm (13 ft. lbs.)
14. Fill cooling system.
15. Use fresh water to rinse away any coolant that was spilled during service.