CTS Sedan RWD V8-6.2L SC (2010)
Heater Hose: Service and Repair
Heater Inlet Hose/Pipe and Heater Outlet Hose/Pipe Replacement
Heater Inlet Hose/Pipe and Heater Outlet Hose/Pipe Replacement (LSA)
Special Tools
J 47622 - Hose Clamp Pliers
Removal Procedure
1. Drain the cooling system. Refer to Cooling System Draining and Filling (Static Fill LF1, LLT) (See: Engine, Cooling and Exhaust/Cooling
System/Service and Repair/Cooling System Draining and Filling (Static Fill))Cooling System Draining and Filling (Static Fill LSA) (See: Engine,
Cooling and Exhaust/Cooling System/Service and Repair/Cooling System Draining and Filling (Static Fill))Cooling System Draining and Filling
(GE 47716 LSA) (See: Engine, Cooling and Exhaust/Cooling System/Service and Repair/Cooling System Draining and Filling (GE 47716)
)Cooling System Draining and Filling (GE 47716 LF1, LLT) (See: Engine, Cooling and Exhaust/Cooling System/Service and Repair/Cooling
System Draining and Filling (GE 47716)).
2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle (See: Maintenance/Vehicle Lifting/Service and Repair).
3. Remove the front compartment lower noise shield (if equipped). Refer to Front Compartment Lower Noise Shield Replacement (All Wheel Drive)
(See: Body and Frame/Splash Guard/Service and Repair/Front Compartment Lower Noise Shield Replacement)Front Compartment Lower Noise
Shield Replacement (Rear Wheel Drive) (See: Body and Frame/Splash Guard/Service and Repair/Front Compartment Lower Noise Shield
Replacement).
4. Remove manifold cover.
5. Remove vehicle cross brace. Refer to Cross Vehicle Brace Replacement (See: Body and Frame/Frame/Cross-Member/Service and Repair).
6. Remove charge air cooler pipe assembly. Refer to Charge Air Cooler Coolant Pipe Replacement (See: Powertrain Management/Fuel Delivery
and Air Induction/Supercharger/Intercooler/Service and Repair/Removal and Replacement/Charge Air Cooler Coolant Pipe Replacement).
7. Remove charge air coolant reservoir. Refer to Charge Air Cooler Coolant Reservoir Replacement (See: Powertrain Management/Fuel Delivery
and Air Induction/Supercharger/Intercooler/Service and Repair/Removal and Replacement/Charge Air Cooler Coolant Reservoir Replacement).
8. Reposition the heater hose clamps (1) at the engine using J 47622 - Hose Clamp Pliers.
9. Remove the heater hoses (2) from the engine.