Impala V8-5.3L (2008)
Heater Hose: Service and Repair
Heater Pipes Replacement (LS4)
Heater Pipes Replacement (LS4)
Tools Required
J 38185 Hose Clamp Pliers
Removal Procedure
1. Remove the air cleaner assembly.
2. Drain the cooling system. Refer to Cooling System Draining and Filling (9C1, 9C3 Static Fill) Cooling System Draining and Filling (LZE, LZ4,
LZG, 9C1, 9C3, GE47716 Fill) Cooling System Draining and Filling (LZE, LZ4, LZG, Static Fill).
3. Release and reposition the heater inlet and outlet hose clamps using the J 38185.
Important: Cap or plug the cooling components to prevent system contamination.
4. Remove the heater hoses from heater pipes.
Notice: Do not apply excessive force on the heater core pipes during hose removal. Applying excessive force on the heater core pipes may
damage the heater core pipes.
5. Remove the heater pipe assembly retaining bolts from the rear the of engine.
