OEM 2004 Buick Rainier Radiator

2004 Buick Rainier Radiator Parts and Q&A

• Q: How to replace the radiator (LL8) on 2004 Buick Rainier?

  A: The first step to replace the Radiator (LL8) requires draining coolant from the Radiator while also recovering the refrigerant. Lift the automobile after which you should remove any existing lower Radiator support shield. Use hose clamp pliers (J 38185) to move the outlet Radiator Hose clamp and disconnect the hose from the Radiator. First remove the inlet Radiator Hose clamps and hoses from the Radiator and then disconnect the transmission cooler lines from their position. The work starts by lowering the vehicle before taking out the cooling fan and shroud and the Radiator support diagonal brace and coolant recovery line connected to the Radiator. The worker must disconnect side panels from the shroud before removing the Radiator and all bolts securing the condenser to the Radiator. The first step for installation requires the condenser to be attached to the Radiator while installing appropriate fasteners at their designated locations and torquing bolts up to 28 nm (21 ft. Lbs.). Position the Radiator and cooling fan together with the shroud followed by a vehicle lift. Secure the outlet Radiator Hose to the Radiator while you reposition its clamp by using hose clamp pliers (J 38185). The transmission cooling lines must be connected to the Radiator followed by installation of the lower Radiator support shield when present then vehicle lowering before attaching the coolant recovery hose to the Radiator and Radiator support diagonal brace for cooling system filling.