Installation Procedure

Throttle Body Relearn Procedure

Fig 1: Removing/Installing Throttle Body Assembly
Courtesy of GENERAL MOTORS CORP.
IMPORTANT: Upon replacement of a new throttle body, the Throttle Body Relearn procedure must be performed.
• Turn the ignition OFF for 10 seconds.
• Turn the Ignition ON with the engine OFF.
• Make sure these engine operating parameters are met before proceeding:
  • The ECT is between 6-100°C (43-212°F).
  • The IAT is greater than 6°C (43°F).
  • The ignition voltage is above 10 volts.
  • The accelerator pedal angle is less than 14 percent.
• Leave the ignition ON for 1 minute with the engine OFF.

1. Install the throttle body and new gasket.
NOTE: Refer to Fastener Notice in Cautions and Notices.
2. Install the throttle body nuts.

   Tighten:  Tighten the throttle body nuts to 8 N.m (71 lb in).

3. Attach the vacuum lines, the EVAP hose, and the coolant lines to the throttle body.
Fig 2: Removing & Installing Intake Plenum
Courtesy of GENERAL MOTORS CORP.
4. Install the EGR pipe bolt.

   Tighten:  Tighten the EGR pipe bolt to 25 N.m (18 lb ft).

5. Install the intake plenum bolts.

   Tighten:  Tighten the intake plenum bolts to 8 N.m (71 lb in).

Fig 3: Disconnecting Throttle Body Electrical Connector
Courtesy of GENERAL MOTORS CORP.
6. Connect the intake plenum-to-runner universal clamp pliers using the J 43914  . If the clamps are damaged, replace with service screw type clamps.
7. Connect the throttle body electrical connector.
Fig 4: Removing/Installing Intake Hose Assembly
Courtesy of GENERAL MOTORS CORP.
8. Install the air cleaner inlet hose.
9. Connect the negative battery cable.

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

10. Verify the coolant level and add coolant if necessary.