Installation Procedure
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 Chevrolet Tahoe, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Refer to FASTENER NOTICE
in Cautions and Notices.
- If replacing the water crossover install the following:
- 1.1. Thermostat (3)
- 1.2. Water outlet (1)
- 1.3. Water outlet bolts (2)
Tighten
Tighten the bolts to 30 N.m (22 lb ft).
- Install NEW water crossover gaskets.
- Install the water crossover.
- Install the water crossover bolts.
Tighten
Tighten the bolts to 50 N.m (37 lb ft).
- Install the generator bracket.
- Install the generator bracket stud.
Tighten
Tighten the stud to 20 N.m (15 lb ft).
- Install the generator bracket bolts and nut.
Tighten
Tighten the bolts and nut to 50 N.m (37 lb ft).
- Install the power steering pump. Refer to POWER STEERING PUMP REPLACEMENT (4.8L, 5.3L AND 6.0L) or POWER STEERING PUMP REPLACEMENT (8.1L) in Power Steering System.
- Install the generator. Refer to GENERATOR (4.8L, 5.3L & 6.0L ENGINES) or GENERATOR (8.1L ENGINE) in Engine Electrical.
- Install the bypass hose.
- Position the bypass hose clamps at the water crossover and water pump.
- Install the heater inlet hose to the water crossover.
- Position the heater inlet hose clamp at the water crossover.
- Install the inlet hose to the water crossover.
- Position the inlet hose clamp at the water crossover.
- Install the drive belt tensioner. Refer to DRIVE BELT TENSIONER REPLACEMENT -- ACCESSORY in Engine Mechanical - 8.1 L.
- Fill the cooling system. Refer to DRAINING AND FILLING COOLING SYSTEM .