GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2002 🢒 Tracker - 2WD 🢒 Engine 🢒 Engine Controls - 2.0L 🢒 Throttle Body Assembly Replacement

Removal Procedure

    Object Number: 456246 Size: SH
  1. Remove the intake air inlet duct from the throttle body.
  2. Remove the breather hose (1) from the throttle body.
  3. Disconnect the electrical connector (3) from the throttle position (TP) sensor .
  4. Disconnect the electrical connector (2) from the idle air control (IAC) valve .
  5. Drain the cooling system. Refer to Cooling System Draining and Filling in Engine Cooling.

    6. Object Number: 470862 Size: SH
  6. Disconnect the lower coolant line (1) from the throttle body.
  7. Disconnect the upper coolant line (2) from the throttle body.

    8. Object Number: 55563 Size: SH
  8. Disconnect the accelerator control cable (1) from the throttle body by rotating the throttle lever (3) to wide open throttle (WOT) and removing the cable end from the slot.
  9. Disconnect the A/T throttle cable (2), if necessary, from the throttle body throttle lever (3) by removing the cable end from the throttle lever slot.

    10. Object Number: 470864 Size: SH
  10. Remove the two nuts and/or 2 bolts (1) from the throttle body.
  11. Remove the throttle body (2) and the gasket (3) from the intake manifold (4).

    12. Object Number: 470860 Size: SH
  12. Clean any throttle body gasket material (2) that remains on the intake manifold (1).

Installation Procedure

    Object Number: 470864 Size: SH
  1. Install a new gasket (3) and the throttle body (2) onto the intake manifold (4).

    2. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  2. Secure the throttle body to the intake manifold with the 2 nuts and/or 2 bolts (1).

    3. Tighten
    Tighten the bolts to 25 N·m (18 lb ft).


    Object Number: 55563 Size: SH
  3. Connect the A/T throttle cable (2) to the throttle lever (3) if necessary.
  4. Connect the accelerator control cable (1) to the throttle lever (3).
  5. Adjust the accelerator control cable as necessary.
  6. Adjust the A/T throttle cable if necessary. Refer to Automatic Transmission Throttle Valve Cable Adjustment in Automatic Transmission.

    7. Object Number: 470862 Size: SH
  7. Connect the lower coolant hose (1) to the throttle body.
  8. Connect the upper coolant hose (2) to the throttle body.

    9. Object Number: 456246 Size: SH
  9. Connect the IAC valve electrical connector (2).
  10. Connect the TP sensor electrical connector (3).
  11. Connect the breather hose (1) to the throttle body.
  12. Install the intake air inlet duct to the throttle body.