LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Pontiac >> 2009 >> G5 Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 2.2L - Introduction >> Repair Instructions >> Engine Coolant Temperature Sensor Replacement >> Installation Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Installation Procedure

CAUTION: 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 ECT Sensor
    GM773501Courtesy of GENERAL MOTORS CORP.
  1. If you are reinstalling the original sensor, or if you are installing a NEW sensor without a sealer, coat the threads with sealant. Refer to Adhesives, Fluids, Lubricants, and Sealers .
    2. CAUTION: Refer to Component Fastener Tightening Caution .
  2. Install the ECT sensor and tighten to 20 N.m (15 lb ft).
    3. Fig 2: Identifying Engine Harness Electrical Connectors
    GM1648166Courtesy of GENERAL MOTORS CORP.
  3. If equipped with RPO M86, connect the engine harness electrical connector (3) to the ECT sensor.
    4. Fig 3: Identifying Engine Harness Electrical Connectors - Top Of Engine
    GM1647986Courtesy of GENERAL MOTORS CORP.
  4. If equipped with RPO MN5, connect the engine harness electrical connector (3) to the ECT sensor.
  5. Fill the cooling system. Refer to Cooling System Draining and Filling (GE 47716 Fill) or Cooling System Draining and Filling (Static Fill LNF) or Cooling System Draining and Filling (Static Fill LE5, L61) .
scientia non olet · About LEMON Manuals