Removal Procedure

WARNING: This page is about a different car, the 2002 Buick Regal and 2002 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.

Remove the battery.
Drain the cooling system. Refer to Draining and Filling Cooling System
Remove the cooling fan assembly. Refer to Cooling Fan Replacement - Electric
Raise and support the vehicle.
Remove the lower air deflector. Refer to Radiator Air Baffle and Deflector Replacement - Lower
Use J 38185 to remove the outlet hose clamp from the radiator.
Remove the outlet hose from the radiator.
Lower the vehicle.

Fig 1: Radiator And Hoses
Courtesy of GENERAL MOTORS CORP.
Disconnect the transaxle oil cooler pipes from the radiator.
Pull the plastic cap back from the quick connect fitting and down along the transaxle oil cooler pipe.

Fig 2: Transaxle Oil Cooler Pipes From The Radiator
Courtesy of GENERAL MOTORS CORP.
Using a bent-tip screwdriver, pull on one of the open ends of the retaining ring in order to rotate the retaining ring around the quick connect fitting until the retaining ring is out of position and can be completely removed.

Fig 3: Bent-Tip Screwdriver
Courtesy of GENERAL MOTORS CORP.
Remove the retaining ring from the quick connect fitting.
Discard the retaining ring.

Fig 4: Remove The Retaining Ring From The Quick Connect Fitting
Courtesy of GENERAL MOTORS CORP.
Pull the transaxle oil cooler pipe straight out from the quick connect fitting.

Fig 5: Transaxle Oil Cooler Pipe
Courtesy of GENERAL MOTORS CORP.
Disconnect the coolant level sensor electrical connector.
In order to unlock the coolant level sensor, lift one leg of the snap clip from its locked position and pull outward with a slight twisting motion.
Remove the coolant level sensor.
Remove the radiator.

Fig 6: Coolant Level Sensor Electrical Connector
Courtesy of GENERAL MOTORS CORP.