GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2001 🢒 Prizm 🢒 Engine 🢒 Engine Controls - 1.8L 🢒 Knock Sensor Replacement

Removal Procedure

    Object Number: 621675 Size: SH
  1. Remove the intake manifold. Refer to Intake Manifold Removal in Engine Mechanical.
  2. Disconnect the knock sensor (KS) electrical connector (2).
  3. Remove the KS (1) from the engine block.

Installation Procedure

    Object Number: 621675 Size: SH

    Notice: Replacement components must be the correct part number for the application. Components requiring the use of the thread locking compound, lubricants, corrosion inhibitors, or sealants are identified in the service procedure. Some replacement components may come with these coatings already applied. Do not use these coatings on components unless specified. These coatings can affect the final torque, which may affect the operation of the component. Use the correct torque specification when installing components in order to avoid damage.

  1. Install the KS (1) to the engine block.

    2. Tighten
    Tighten the KS to the engine block to 39 N·m (29 lb ft).

  2. Connect the KS electrical connector (2).
  3. Install the intake manifold. Refer to Intake Manifold Removal in Engine Mechanical.