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Home >> Chevrolet >> 2004 >> Malibu Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Introduction) - 2.2L (L61) >> Repair Instructions >> Knock Sensor (KS) Replacement >> Installation Procedure
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Installation Procedure

    IMPORTANT: If a new KS pigtail connector retaining clip is going to be used, the old one must be removed from the intake manifold. Use a push pin removal tool to remove the clip from the intake manifold.
  1. Insert the KS pigtail connector with the retaining clip into the intake manifold hole or slide the KS pigtail connector over the retaining clip from the top.
  2. Fig 1: Connecting KS Harness Connector (2.2L)
    GM895903Courtesy of GENERAL MOTORS CORP.
  3. Connect the KS harness connector. Push in the connector until a click is heard, then pull back to confirm a positive engagement.
  4. NOTE: Refer to Fastener Notice in Cautions and Notices.
    IMPORTANT: The larger metal contact area of the KS MUST be towards the engine block. DTC P0325 may result if the sensor is installed backwards.
  5. Install the KS at the 9 o'clock position and the attachment bolt.

    Tighten:  Tighten the knock sensor-to-engine block bolt to 25 N.m (18 lb ft).

  6. Connect the negative battery cable.

    Tighten:  Tighten the battery terminal bolts to 17 N.m (13 lb ft).

  7. Reset the clock and preset radio stations.