Coolant Line/Hose: Service and Repair
Throttle Body Heater Inlet Hose/Pipe Replacement
Removal Procedure
1. Partially drain the cooling system. Refer to Cooling System Draining and Filling (L26, LY7 GE 47716 Fill) (See: Engine, Cooling and
Exhaust/Cooling System/Service and Repair)Cooling System Draining and Filling (L26 Static Fill) (See: Engine, Cooling and Exhaust/Cooling
System/Service and Repair)Cooling System Draining and Filling (LY7 Static Fill) (See: Engine, Cooling and Exhaust/Cooling System/Service and
Repair)Cooling System Draining and Filling (LS4 GE47716 Fill) (See: Engine, Cooling and Exhaust/Cooling System/Service and Repair)Cooling
System Draining and Filling (LS4 Static Fill) (See: Engine, Cooling and Exhaust/Cooling System/Service and Repair).
2. Disconnect the following from the remote power steering fluid reservoir (1):
*
The brake booster hose
*
The wiring harness (2)
3. Remove the remote power steering fluid reservoir mounting bolts (1, 3) ONLY, and position aside.
4. Remove the wiper motor module in order to gain access to the rear of the throttle body heater inlet hose. Refer to Windshield Wiper Motor
Replacement (See: Wiper and Washer Systems/Wiper Motor/Service and Repair/Windshield Wiper Motor Replacement) and Windshield Wiper
System Module Replacement (See: Wiper and Washer Systems/Wiper Motor/Service and Repair/Windshield Wiper System Module Replacement
).
5. Disconnect the heated oxygen sensor connector (2) from the rear of the throttle body heater inlet hose/pipe (3).
6. Disconnect the throttle body heater inlet hose from the water crossover, using 90 degrees needlenose pliers.