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Home >> Pontiac >> 2008 >> Grand Prix Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 3.8L - Introduction (2 Of 2) >> Repair Instructions >> Knock Sensor 2 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. Remove the transaxle. Refer to Transmission Replacement for the 4T65-E transmission.
  2. Drain the cooling system. Refer to Cooling System Draining and Filling (L26 GE 47716 Fill) or Cooling System Draining and Filling (L26 Static Fill) .
  3. Remove the bolts (2) from the knock sensor heat shield (1).
  4. Disconnect the knock sensor electrical connector (3) from the knock sensor.
    5. Fig 1: Locating Knock Sensor 2 Components
    GM381311Courtesy of GENERAL MOTORS CORP.
  5. Remove the knock sensor (4).
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