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Throttle Body Assembly Replacement

Fig 1: View Of Throttle Body Assembly
GM1644925Courtesy of GENERAL MOTORS CORP.
Callout Component Name

Preliminary Procedures

  1. Remove the engine sight shield. Refer to Intake Manifold Sight Shield Replacement .
  2. Remove the hood assembly. Refer to Hood Replacement .
  3. Remove the front and rear sections of the supercharger inlet duct assembly. Refer to Supercharger Inlet Duct Assembly Replacement .
  4. Remove the rear inlet duct seal. Refer to Intake Air Duct Seal Replacement .
  5. Disconnect the electrical connector from the throttle body assembly.
1 Throttle Body Assembly Bolt (Qty: 4)
CAUTION: Refer to Fastener Caution .

Tighten:  10 N.m (89 lb in)

2 Throttle Body Assembly
CAUTION: Do not use a cleaner which contains methyl ethyl ketone. This extremely strong solvent may damage components and is not necessary for this type of cleaning.
Use a carburetor cleaner in order to remove deposits.
Refer to the instructions provided with the cleaner.

Tip:  It is not necessary to remove the supercharger to remove and/or replace the throttle body assembly.
3 Throttle Body Gasket

Procedure

  1. Always install a NEW throttle body gasket.
  2. Perform the Throttle Body Learn procedure. Refer to Throttle Learn .