Sierra 1500 2WD V6-4.3L VIN X (2004)
Radiator Hose: Service and Repair
Outlet
Radiator Hose Replacement - Outlet (4.3L Engine)
Removal Procedure
1. Separate the MAF/IAT sensor assembly and the air inlet tube by loosening the hose clamp.
2. Disconnect the PCV hose from the air cleaner outlet duct.
3. Remove the air inlet tube and resonator retaining wing nut.
4. Remove the air inlet tube and resonator from the throttle body by pivoting the air inlet tube and resonator upward until the hinge clip releases from
the lip on the throttle body.
5. Drain the cooling system.
