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Home >> Cadillac >> 2003 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 637 (Engine Controls - 3.6L - Introduction) >> Repair Instructions >> Engine Coolant Temperature (ECT) Sensor Replacement >> Installation Procedure
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Installation Procedure

WARNING: This page is about a different car, the 2004 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
    Fig 1: Installing Coolant Temperature Sensor
    GM1285193Courtesy of GENERAL MOTORS CORP.
  1. Install the coolant temperature sensor.

    Tighten:  Tighten the coolant temperature sensor to 22 N.m (16 lb ft).

  2. Fig 2: View Of Coolant Temperature Sensor And Electrical Connector
    GM945424Courtesy of GENERAL MOTORS CORP.
  3. Install the coolant temperature sensor electrical connector.
  4. Inspect and fill the cooling system as necessary. Refer to Draining and Filling Cooling System (LA3, LY9) , Draining and Filling Cooling System (LY7) or Draining and Filling Cooling System (LS6) in Engine Cooling.