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Home >> Cadillac >> 2005 >> STS 4.6 A, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 4.6L (LH2) - Introduction >> Repair Instructions >> Throttle Body Assembly Replacement >> Installation Procedure
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Installation Procedure

NOTE: 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.
IMPORTANT: Do not reuse the old throttle body gasket.
    Fig 1: View Of Throttle Body Assembly
    GM927998Courtesy of GENERAL MOTORS CORP.
  1. Install the NEW gasket to the throttle body assembly.
  2. Install the throttle body assembly to the water housing.
    3. NOTE: Refer to Fastener Notice in Cautions and Notices.
  3. Install the throttle body assembly mounting bolts.

    Tighten:  Tighten the bolts to 10 N.m (89 lb in).

    4. Fig 2: View Of Throttle Body Assembly Electrical Connector
    GM887927Courtesy of GENERAL MOTORS CORP.
  4. Connect the electrical connector to the throttle body assembly.
  5. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .
  6. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement in Engine Mechanical - 4.6L (LH2).
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