Grand Prix V8-5.3L (2007)
Heater Hose: Service and Repair
Heater Inlet Hose Replacement (RPO LS4)
Heater Inlet Hose Replacement (RPO LS4)
Tools Required
J 38185 Hose Clamp Pliers
Removal Procedure
1. Drain the cooling system. Refer to Draining and Filling Cooling System (L26, L32 GE 47716 Fill) Draining and Filling Cooling System (L26, L32
Static Fill) Draining and Filling Cooling System (LS4 GE 47716 Fill) Draining and Filling Cooling System (LS4 Static Fill).
2. Use J 38185 to reposition the heater inlet hose clamp at the heater pipe.
Important: Cap or plug the cooling components to prevent system contamination.
3. Remove the heater inlet hose (1) from the heater pipe.