Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Removal Procedure
- Drain the cooling system. Cooling System Draining and Filling (Static Fill LWN)Cooling System Draining and Filling (GE 47716 LWN)Cooling System Draining and Filling (Static LC8, LV1, L96)Cooling System Draining and Filling (GE47716 LC8, LV1, L96)
Heater Inlet Hose(2)@Heater Water Flow Control Valve - Remove - Heater Inlet Hose Replacement (LWN with C69) Heater Inlet Hose Replacement (LWN Auxiliary Heater Inlet Hose) Heater Inlet Hose Replacement (LWN Water Pump Inlet Pipe to Heater Inlet and Outlet Pipe) Heater Inlet Hose Replacement (LWN without K08 Engine Coolant Thermostat to Heater Inlet and Outlet Pipe) Heater Inlet Hose Replacement (LWN without C69) Heater Inlet Hose Replacement (LV1 without C69) Heater Inlet Hose Replacement (LV1 Auxiliary Air Conditioning Evaporator Front Tube to Heater Core Inlet Tube with C69) Heater Inlet Hose Replacement (L96, LC8 Heater Water Flow Control Valve to Heater Core Inlet Tube) Heater Inlet Hose Replacement (L96, LC8 Water Pump Housing to Heater Water Flow Control Valve) Heater Inlet Hose Replacement (L96 Heater Core Inlet Tube to Auxiliary Heater Inlet and Outlet Pipe)
Heater Outlet Hose(2)@Heater Water Flow Control Valve - Remove - Heater Outlet Hose Replacement (LWN with C69) Heater Outlet Hose Replacement (LWN Auxiliary Heater Outlet Hose) Heater Outlet Hose Replacement (LWN Water Pump Inlet Pipe to Heater Inlet and Outlet Pipe) Heater Outlet Hose Replacement (LWN without C69) Heater Outlet Hose Replacement (LV1 Water Pump to Heater Core Outlet Tube without C69) Heater Outlet Hose Replacement (LV1 Auxiliary Air Conditioning Evaporator Front Tube to Heater Core Outlet Tube with C69) Heater Outlet Hose Replacement (L96, LC8 Heater Water Flow Control Valve to Heater Core Outlet Tube) Heater Outlet Hose Replacement (L96, LC8 Water Pump Housing to Heater Water Flow Control Valve) Heater Outlet Hose Replacement (L96 Auxiliary Heater Inlet and Outlet Pipe to Heater Core Outlet Tube)
- Air Valve Actuator Vacuum Harness Connector @Heater Water Flow Control Valve - Remove
Coolant Recovery Reservoir(1) - Remove - Coolant Recovery Reservoir Replacement (LV1)Coolant Recovery Reservoir Replacement (L96, LC8)
- Air Cleaner Assembly - Remove - Air Cleaner Assembly Replacement
- Air Cleaner Resonator Outlet Duct - Remove - Air Cleaner Resonator Outlet Duct Replacement
- Transmission Fluid Filler Tube - Reposition - Transmission Fluid Filler Tube and Seal Replacement
- Oil Level Indicator Tube - Reposition - Oil Level Indicator Tube Replacement (Upper)Oil Level Indicator Tube Replacement (Lower)
Plenum Drain Tube(2) - Remove - Plenum Drain Tube Replacement (L96, LC8)Plenum Drain Tube Replacement (LWN)Plenum Drain Tube Replacement (LV1)
Heater Inlet Hose(2)@Heater Water Flow Control Valve - Remove - Heater Inlet Hose Replacement (LWN with C69) Heater Inlet Hose Replacement (LWN Auxiliary Heater Inlet Hose) Heater Inlet Hose Replacement (LWN Water Pump Inlet Pipe to Heater Inlet and Outlet Pipe) Heater Inlet Hose Replacement (LWN without K08 Engine Coolant Thermostat to Heater Inlet and Outlet Pipe) Heater Inlet Hose Replacement (LWN without C69) Heater Inlet Hose Replacement (LV1 without C69) Heater Inlet Hose Replacement (LV1 Auxiliary Air Conditioning Evaporator Front Tube to Heater Core Inlet Tube with C69) Heater Inlet Hose Replacement (L96, LC8 Heater Water Flow Control Valve to Heater Core Inlet Tube) Heater Inlet Hose Replacement (L96, LC8 Water Pump Housing to Heater Water Flow Control Valve) Heater Inlet Hose Replacement (L96 Heater Core Inlet Tube to Auxiliary Heater Inlet and Outlet Pipe)
Heater Outlet Hose(2)@Heater Water Flow Control Valve - Remove - Heater Outlet Hose Replacement (LWN with C69) Heater Outlet Hose Replacement (LWN Auxiliary Heater Outlet Hose) Heater Outlet Hose Replacement (LWN Water Pump Inlet Pipe to Heater Inlet and Outlet Pipe) Heater Outlet Hose Replacement (LWN without C69) Heater Outlet Hose Replacement (LV1 Water Pump to Heater Core Outlet Tube without C69) Heater Outlet Hose Replacement (LV1 Auxiliary Air Conditioning Evaporator Front Tube to Heater Core Outlet Tube with C69) Heater Outlet Hose Replacement (L96, LC8 Heater Water Flow Control Valve to Heater Core Outlet Tube) Heater Outlet Hose Replacement (L96, LC8 Water Pump Housing to Heater Water Flow Control Valve) Heater Outlet Hose Replacement (L96 Auxiliary Heater Inlet and Outlet Pipe to Heater Core Outlet Tube)
Heater Water Flow Control Valve(2) - Remove
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.