GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2000
🢒
Envoy - 4WD
🢒
Engine
🢒
Engine Cooling
🢒 Radiator Drain Cock Replacement
Removal Procedure
Drain the coolant from the radiator. Refer to
Cooling System Draining and Filling
.
Remove the air cleaner assembly (2.2L engines only). Refer to
Air Cleaner Inlet Duct Replacement
in Engine Controls.
Turn the drain cock until the metal pin on the drain cock is aligned with the opening slot.
Pull the drain cock out of the radiator.
Installation Procedure
Align the metal pin on the drain cock with the opening slot on the radiator.
Push the drain cock into the radiator slot.
Close the drain cock.
Install the air cleaner (2.2L engines only). Refer to
Air Cleaner Inlet Duct Replacement
in Engine Controls.
Refill the radiator. Refer to
Cooling System Draining and Filling
.