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Home >> Isuzu >> 2007 >> Ascender 4WD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 4.2L - Introduction (2 Of 2) >> Repair Instructions >> Engine Coolant Temperature Sensor Replacement >> Removal Procedure

Removal Procedure

    NOTE: Use care when handling the coolant sensor. Damage to the coolant sensor will affect the operation of the fuel control system.
  1. Turn the engine OFF.
    2. CAUTION: Refer to Battery Disconnect Caution .
  2. Disconnect the negative battery terminal.
  3. Drain coolant below the level of the engine coolant temperature (ECT) sensor. Refer to Draining and Filling Cooling System (LH6, LS2) or Draining and Filling Cooling System (LL8) .
  4. Disconnect the ECT sensor electrical connector (1).
    5. Fig 1: Identifying ECT Sensor Electrical Connector
    GM1713326Courtesy of GENERAL MOTORS CORP.
  5. Carefully remove the ECT sensor (1).
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