LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 2004 >> Yukon Denali >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 4.8L, 5.3L & 6.0L (Introduction) >> Repair Instructions >> Engine Coolant Temperature (ECT) 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.
    Fig 1: View Of Engine Wiring Harness Ground Bolt, ECT Sensor Electrical Connector, Negative Battery Cable & Harness Ground (4.8L, 5.3L, and 6.0L Engines)
    GM1235684Courtesy of GENERAL MOTORS CORP.
  1. Drain the cooling system to a level below the engine cooling temperature (ECT) sensor. Refer to Draining and Filling Cooling System in Engine Cooling.
  2. Disconnect the ECT sensor electrical connector (5).
    3. Fig 2: View Of Engine Coolant (ECT) Sensor
    GM855737Courtesy of GENERAL MOTORS CORP.
  3. Remove the ECT sensor.
scientia non olet · About LEMON Manuals