2005 Saturn L300FACTORY OEM SERVICE PROCEDURE

Removal Procedure

    Fig 1: Removing/Installing Power Steering Pump Pulley & Identifying Knock Sensor No. 2 Location
    GM894704Courtesy of GENERAL MOTORS CORP.
  1. Turn the steering wheel all the way to the right.
  2. Turn the ignition OFF.
  3. Disconnect the knock sensor 2 harness connector.
  4. Following the steps below:
    1. Remove the knock sensor 2 pigtail from the camshaft position sensor clip.
    2. Pull the sensor pigtail wire away from the 1 attachment clip located about 6 inches down the wire from the camshaft position sensor clip.
    3. Tie a 4-foot long strip to one end of the knock sensor 2 connector and the other end to a fixed component near the camshaft position sensor.
  5. Slightly loosen the power steering pump pulley bolts. Do not back the bolts out.
    6. Fig 2: Using 15 mm Wrench To Rotate Tensioner Pulley Clockwise
    GM898882Courtesy of GENERAL MOTORS CORP.
  6. Remove the accessory drive belt.
    7. Fig 3: Removing/Installing Power Steering Pump Pulley & Identifying Knock Sensor No. 2 Location
    GM894704Courtesy of GENERAL MOTORS CORP.
  7. Remove the power steering pump pulley bolts and the power steering pump pulley.
    8. 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.
  8. Raise the vehicle.
    9. Fig 4: Removing/Installing Knock Sensor No. 2
    GM894667Courtesy of GENERAL MOTORS CORP.
  9. Remove the knock sensor 2 attachment bolts and guide the knock sensor with a string out from the bottom. Remove the string from the end of the knock sensor, but leave the string hanging.
Chapter Navigation
Return to Chapter: Knock Sensor (KS) 2 Replacement
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.