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Installation 4.0L

  1. Thoroughly clean the engine core hole and the block heater seat.
  2. Insert block heater assembly into core hole with element loop pointing Up  . See Figure.
  3. Seat block heater flush against block face. Tighten mounting screw to 4 N.m (31 in. lbs.) torque.
  4. Fill cooling system (Refer to COOLING - STANDARD PROCEDURE) , and inspect for leaks (Refer to COOLING - DIAGNOSIS AND TESTING) .
  5. Plug power cord into block heater. Route cord away from moving parts, linkages and exhaust system components. Secure cord in place with tie-straps.
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