TrailBlazer 2WD V8-5.3L (2007)
Radiator: Service and Repair
Radiator Replacement
Radiator Replacement (LH6, LS2)
Tools Required
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J 41240 Fan Clutch Remover and Installer
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J 38185 Hose Clamp Pliers
Removal Procedure
1. Drain the coolant from the radiator. Refer to Draining and Filling Cooling System (LL8) Draining and Filling Cooling System (LH6, LS2).
2. Remove the lower radiator support shield, if equipped. Refer to Radiator Support Shield Replacement.
3. Remove the transmission cooler lines from the radiator. Refer to Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Replacement for the
4L60-E/4L65-E transmission.
4. Reposition the outlet radiator hose clamp using J 38185.
5. Remove the outlet radiator hose (1) from the radiator.
6. Lower the vehicle.
7. Reposition the inlet radiator hose clamp using J 38185.
8. Remove the inlet radiator hose from the radiator.
9. Remove the cooling fan and shroud. Refer to Cooling Fan and Shroud Replacement.
10. Remove the air inlet grille. Refer to Air Inlet Grille Panel Replacement (Envoy, TrailBlazer) Air Inlet Grille Panel Replacement (Rainier).
