GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Saturn 🢒 2002 🢒 VUE - FWD 🢒 Engine 🢒 Engine Controls - 3.0L (L81) 🢒 Knock Sensor 2 Replacement

Removal Procedure
  1. Turn steering wheel all the way to the right.
  2. Turn the ignition OFF.
  3. Disconnect knock sensor 2 harness connector.
  4. Remove knock sensor 2 pigtail from camshaft position sensor clip. Pull sensor pigtail wire away from the one attachment clip located about 6 inches down the wire from the camshaft position sensor clip. Tie a four foot long string to one end of the knock sensor 2 connector and the other end to a fixed component near the camshaft position sensor.

    5. Caution: Ensure that the vehicle is properly supported and squarely positioned. To help avoid personal injury when a vehicle is on a hoist, provide additional support for the vehicle on the opposite end from which the components are being removed.

  5. Raise the vehicle.

    6. Object Number: 894667 Size: SH
  6. Remove knock sensor 2 attachment bolt and guide the knock sensor with string out from the bottom. Remove string from the end of the knock sensor, but leave the string hanging.

Installation Procedure
  1. Tie the end of the string to the connector end of knock sensor 2.
  2. Pull up on the string above the A/C compressor to guide the sensor connector around the A/C compressor bracket.

    3. Notice: Refer to Fastener Notice in the Preface section.

  3. Once the knock sensor connector is above the A/C compressor, install knock sensor 2 attachment bolt with knock sensor 2 wire facing between the 9 and 10 o'clock position.

    4. Tighten
    the knock sensor bolt to 20 N·m (15 lb ft).

  4. Lower vehicle.
  5. Attach knock sensor wire to attachment clip located about 6 inches below the attachment clip on the camshaft position sensor.
  6. Attach knock sensor wire to attachment clip located on the camshaft position sensor.
  7. Connect knock sensor 2 harness connector. Push connector in until the lock position is felt and pull back to confirm engagement.