LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Pontiac >> 2005 >> Aztek Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 140 (Engine Controls - 3.6L - Introduction) >> Repair Instructions >> Engine Coolant Temperature (ECT) Sensor Replacement >> Removal Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Removal Procedure

WARNING: This page is about a different car, the 2005 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: Allow sufficient time for the engine to cool before removing the ECT sensor. A hot engine may cause an excessive coolant loss or a personal injury.
  1. Turn the ignition OFF.
  2. Partially drain the cooling system. Refer to Draining and Filling Cooling System in Engine Cooling.
    3. Fig 1: Locating Coolant Temperature Sensor Electrical Connector
    GM1394058Courtesy of GENERAL MOTORS CORP.
  3. Remove the coolant temperature sensor electrical connector.
    4. Fig 2: Coolant Temperature Sensor
    GM1394088Courtesy of GENERAL MOTORS CORP.
  4. Remove the coolant temperature sensor.
scientia non olet · About LEMON Manuals