Heater Hose - Outlet

HEATER HOSE REPLACEMENT - OUTLET

TOOLS REQUIRED
J 38185 Hose Clamp Pliers

REMOVAL PROCEDURE
1. Drain the engine coolant. Refer to Draining and Filling Cooling System in Cooling System.







2. Release the outlet heater hose clamp using the J 38185 at the heater core.
3. Remove the outlet heater hose from the heater core.







4. Release the heater outlet hose clamp using the J 38185 at the water pump.
5. Remove the heater outlet hose from the water pump.







6. Remove the heater outlet hose bracket bolt.
7. Remove the outlet heater hose from the vehicle.



INSTALLATION PROCEDURE
1. Apply lubricant, GM P/N 9985662, to each end of the outlet heater hose.
2. Install the outlet heater hose to the vehicle.

IMPORTANT: When installing new outlet heater hose, place the clamp on the hose before installing the hose to the vehicle.







3. Install the heater outlet hose bracket bolt.

NOTE: Refer to Fastener Notice in Service Precautions. Vehicle Damage Warnings


Tighten
Tighten the bolt to..........................25 N.m (18 lb ft).







4. Install the heater outlet hose to the water pump.
5. Install the heater outlet hose clamp using the J 38185 at the water pump.







6. Install the heater inlet hose to the engine water outlet adapter pipe.
7. Install the heater inlet hose clamp using the J 38185 at the engine water outlet adapter pipe.







8. Install the outlet heater hose to the heater core.
9. Install the outlet heater hose clamp using the J 38185 at the heater core.
10. Fill the engine cooling system. Refer to Draining and Filling Cooling System in Cooling System.