Toyota Pick-ups/Land Cruiser/4Runner 1989-1996

Heater Core

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REMOVAL & INSTALLATION



See Figure 1

  1. Drain the cooling system.
  2.  
  3. Remove the heater unit assembly. Have alot of towels handy for the leakage of coolant that may spill into your interior.
  4.  
  5. Remove the fasteners securing the core to the unit, remove the plates and clamps. Pull upwards to remove the core from the unit.
  6.  

To install:
  1. Inspect the core fins for any blockage. Using compressed air, clean them.
  2.  
  3. Install the core into the unit placing the plates and clamps into position. Tighten the core screws.
  4.  
  5. Install the heater unit into the vehicle.
  6.  
  7. Fill the cooling system.
  8.  



Click image to see an enlarged view

Fig. Fig. 1: Exploded view of the heater unit assembly-1996 4Runner shown

 
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