Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Pontiac >> 2007 >> Grand Prix Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls & Fuel - 3.8L - Introduction (2 Of 2) >> Repair Instructions >> Knock Sensor 1 Replacement >> Removal Procedure

Removal Procedure

    CAUTION: Hot engine coolant may cause severe burns. Although the cooling system has been drained, coolant still remains in the engine water jacket. This coolant will drain with the removal of the knock sensor.
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
    2. Fig 1: Locating Knock Sensor Components
    GM892627Courtesy of GENERAL MOTORS CORP.
  2. Drain the cooling system. Refer to Draining and Filling Cooling System (L26, L32 GE 47716 Fill) or Draining and Filling Cooling System (L26, L32 Static Fill) or Draining and Filling Cooling System (LS4 GE 47716 Fill) or Draining and Filling Cooling System (LS4 Static Fill) in Engine Cooling.
  3. Disconnect the knock sensor electrical connector (2).
  4. Remove the knock sensor (1).
scientia non olet · About Mike's Workshop Manuals