GS 300 L6-3.0L (2JZ-GE) (1993)
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Heater Core: Service and Repair
HEATER UNIT REMOVAL
1. Disconnect negative battery cable from battery.
2. Discharge refrigerant in refrigerant system.
3. Remove cooling unit.See: Evaporator Core/Service and Repair
4. Drain engine coolant from radiator and engine drain cocks.
5. Remove water hose from heater unit.
(a) Remove the clamp and the control cable from the water valve.
(b) Remove 2 bolts and the water valve.
(c) Remove the nut and 2 bolts and the EGR pipe.
(d) Grip the claws of the hose clip with pliers and slide the clip along the hose to a place where it does not clamp the hose to the pipe.
(e) Disconnect the water hose from the heater unit.
