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Home >> Pontiac >> 2004 >> Bonneville GXP >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls (Introduction) -- 4.6L (LD8) >> Repair Instructions >> Engine Coolant Temperature (ECT) Sensor Replacement >> Removal Procedure

Removal Procedure

  1. Turn OFF the ignition
  2. Drain the coolant to below the level of the engine coolant temperature (ECT) sensor. Refer to Draining and Filling Cooling System (L36) or Draining and Filling Cooling System (LD8) in Engine Cooling.
  3. Disconnect the ECT sensor harness connector (1).
    Fig 1: ECT Sensor Harness Connector
    GM256283Courtesy of GENERAL MOTORS CORP.
  4. Remove the ECT sensor.
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