Dodge Omni/Horizon/Rampage 1978-1989 Repair Guide

Block Heaters

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REMOVAL & INSTALLATION



  1. Drain the cooling system.
  2.  
  3. Detach the electrical connection from the heater unit.
  4.  



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Fig. Fig. 1 The engine block heater is usually located in the lower portion of the block

  1. Loosen the screw in the center of the heater unit, then remove the assembly.
  2.  

To install:

  1. Clean the core hole and heater seat thoroughly.
  2.  
  3. Insert the heater assembly with the element loop in the upward position.
  4.  
  5. With the heater seated, tighten the center screw.
  6.  
  7. Fill the cooling system, start the engine.
  8.  
  9. Check for leaks.
  10.  

 
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