K 1500 Yukon 4WD V8-5.3L VIN T (2000)
Heater Hose: Service and Repair
Heater Pipe Replacement - Auxiliary
REMOVAL PROCEDURE
1. Drain the cooling system. Refer to Draining and Filling Cooling System in Engine Cooling.
2. Remove the auxiliary heater pipes (1,2) from the heater inlet and outlet tees (3,4).
3. Loosen the right front wheelhouse to gain access to the clamp behind the wheelhouse. Refer to Wheelhouse Panel Replacement (Left) or
Wheelhouse Panel Replacement (Right) in Body Front End.
4. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
5. Remove the auxiliary heater pipes (2,3) from the auxiliary heater core.
6. Remove the auxiliary heater pipes (2) from the clamps (6).