LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 878 (Engine Controls And Fuel - 4.8L, 5.3L, 6.0L And 6.2L - Introduction (2 Of 2)) >> Repair Instructions >> Engine Coolant Temperature Sensor Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2007 GMC Sierra, 2007 GMC Cab & Chassis Sierra, 2007 Chevrolet Silverado, and 2007 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
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, Clip, Bolt & Connector
    GM1696914Courtesy of GENERAL MOTORS CORP.
  1. Drain the cooling system to a level below the engine cooling temperature (ECT) sensor. Refer to Cooling System Draining and Filling (Static Fill) or Cooling System Draining and Filling (Vac-N-Fill) .
  2. Disconnect the engine wiring harness electrical connector (2) from the ECT sensor.
  3. Fig 2: View Of ECT Sensor
    GM855737Courtesy of GENERAL MOTORS CORP.
  4. Remove the ECT sensor.