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Home >> Buick >> 2004 >> Century Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 113 (Engine Controls (Introduction) - 3.8L) >> Repair Instructions >> Knock Sensor (KS) 2 Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2004 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Refer to Fastener Notice in Cautions and Notices.
IMPORTANT: DO NOT apply thread sealant to sensor threads. The sensor is coated at factory and applying additional sealant will affect the sensors ability to detect detonation.
  1. Install the knock sensor (4).

    Tighten:  Tighten the knock sensor to 19 N.m (14 lb ft).

    2. Fig 1: View Of Knock Sensor (2)
    GM381311Courtesy of GENERAL MOTORS CORP.
  2. Install the knock sensor heat shield.

    Tighten:  Tighten the bolts to 60 N.m (44 lb ft).

  3. Connect the knock sensor electrical connector.
  4. Install the transaxle. Refer to TRANSMISSION REPLACEMENT .
  5. Fill the cooling system. Refer to Draining and Filling Cooling System in Engine Cooling.
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