Heater Inlet Pipe Adapter Replacement

Heater Inlet Pipe Adapter Replacement (L26) (3.8L)

Special Tools

J 38185 Hose Clamp Pliers

Removal Procedure

1. Drain the cooling system. Refer to Cooling System Draining and Filling (L26 Static Fill) (Service and Repair)Cooling System Draining and Filling (LS4 Static Fill) (Service and Repair)Cooling System Draining and Filling (L26 GE 47716 Fill) (Service and Repair)Cooling System Draining and Filling (LS4 GE 47716 Fill) (Service and Repair).
2. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement (Service and Repair).




3. Disconnect the heater inlet hose from the pipe adapter.
4. Use J 38185 in order to position aside the heater hose clamp.




5. Remove the heater pipe adapter mounting bolt.
6. Remove the heater pipe adapter.

Installation Procedure

1. Lubricate the O-ring with coolant.




2. Install the heater pipe adapter.

Caution: Refer to Fastener Caution (Fastener Caution).

3. Install the heater pipe adapter mounting bolt.

Tighten the bolt to 6 Nm (53 lb in).




4. Connect the heater inlet hose to the pipe adapter.
5. Use J 38185 in order to secure the heater core hose clamp.
6. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement (Service and Repair).
7. Fill the cooling system. Refer to Cooling System Draining and Filling (L26 Static Fill) (Service and Repair)Cooling System Draining and Filling (LS4 Static Fill) (Service and Repair)Cooling System Draining and Filling (L26 GE 47716 Fill) (Service and Repair)Cooling System Draining and Filling (LS4 GE 47716 Fill) (Service and Repair).