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Heater-Engine Block: Installation: 4.7L

WARNING: This page is about a different car, the 2007 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Engine Block Heater
GC0008321Courtesy of CHRYSLER LLC
1 - ENGINE BLOCK HEATER
  1. Thoroughly clean cylinder block core hole and block heater seat.
  2. Insert block heater assembly with element loop pointing at twelve o'clock.
  3. With block heater fully seated, tighten center bolt to 2 N.m (17 in. lbs.).
  4. Refill cooling system. See STANDARD PROCEDURE .
  5. Start and warm the engine. Check for leaks.