Heater Outlet Pipe Adapter Replacement

Heater Outlet Pipe Adapter Replacement

Tools Required

J 38185 Hose Clamp Pliers


Removal Procedure

1. Drain the cooling system. Refer to Cooling System Draining and Filling (LS4 - 5.3L GE 47716 Fill) (Service and Repair)Cooling System Draining and Filling (LS4 - 5.3L Static Fill) (Service and Repair)Cooling System Draining and Filling (L26 - 3.8L GE 47716 Fill) (Service and Repair)Cooling System Draining and Filling (L26 - 3.8L Static Fill) (Service and Repair) .
2. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement (Service and Repair) .




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




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



Installation Procedure

1. Lubricate the O-ring with coolant.




2. Install the heater outlet adapter pipe.

Notice: Refer to Fastener Notice (Fastener Notice) .

3. Install the heater outlet adapter pipe mounting bolt.

Tighten the bolt to 6 N.m (53 lb in).





4. Install the heater outlet 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 (LS4 - 5.3L GE 47716 Fill) (Service and Repair)Cooling System Draining and Filling (LS4 - 5.3L Static Fill) (Service and Repair)Cooling System Draining and Filling (L26 - 3.8L GE 47716 Fill) (Service and Repair)Cooling System Draining and Filling (L26 - 3.8L Static Fill) (Service and Repair) .