gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Coolant Line/Hose|Service and Repair|Page 3634 > < Engine - Noise/Damage Oil Filter Application Importance|Page 3629
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Coolant Line/Hose: Service and Repair

Water Outlet Tube Replacement (LU3) (4.3L)

Removal Procedure

1. Remove the air cleaner outlet resonator duct. Refer to Air Cleaner Outlet Resonator Replacement   .
2. Remove the radiator inlet hose. Refer to Radiator Inlet Hose Replacement (Non-HP2)  (See: Radiator Hose/Service and Repair) .
3. Remove the turbocharger coolant bypass valve. Refer to Turbocharger Coolant Bypass Valve Replacement .
4. Remove the water outlet bolts.
5. Remove the water outlet.
6. Remove and discard the gasket.

Installation Procedure

1. Install a NEW gasket to the water outlet.

Coolant Line/Hose|Service and Repair|Page 3634 > < Engine - Noise/Damage Oil Filter Application Importance|Page 3629