Removal Procedure

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2002 GMC Yukon XL, 2002 GMC Yukon, 2002 Chevrolet Tahoe, 2002 Chevrolet Suburban, and 2002 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Inlet Hose Clamp & Water Crossover

Courtesy of GENERAL MOTORS CORP.

Drain the cooling system. Refer to Draining and Filling Cooling System .
Remove the drive belt tensioner. Refer to DRIVE BELT TENSIONER REPLACEMENT -- ACCESSORY .
Reposition the inlet hose clamp at the water crossover.
Remove the inlet hose from the water crossover.

Fig 2: Heater Inlet Hose

Courtesy of GENERAL MOTORS CORP.

Reposition the heater inlet hose clamp at the water crossover.
Remove the heater inlet hose from the water crossover.

Fig 3: Thermostat Bypass Hose & Clamps

Courtesy of GENERAL MOTORS CORP.

Reposition the bypass hose clamps at the water crossover and water pump.
Remove the bypass hose.

Fig 4: View of Generator Bracket Bolts

Courtesy of GENERAL MOTORS CORP.

Remove the generator. Refer to GENERATOR (4.8L, 5.3L & 6.0L ENGINES) or GENERATOR (8.1L ENGINE) .
Remove the power steering pump. Refer to POWER STEERING PUMP REPLACEMENT (4.8 L, 5.3 L, & 6.0L) or POWER STEERING PUMP REPLACEMENT (8.1 L) .
Remove the generator bracket bolts and nut.
Remove the generator bracket stud.
Remove the generator bracket.

Fig 5: View Of Engine Coolant Crossover & Gasket

Courtesy of GENERAL MOTORS CORP.

Remove the water crossover bolts.
Remove the water crossover.
Remove and discard the water crossover gaskets.

Fig 6: View Of Water Outlet, Bolts & Thermostat

Courtesy of GENERAL MOTORS CORP.

If replacing the water crossover remove the following:
1. Water outlet bolts (2)
2. Water outlet (1)
3. Thermostat (3)