LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Hummer >> 2009 >> H3T Alpha >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 5.3L - Introduction >> Repair Instructions >> Throttle Body Assembly Replacement >> Removal Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Removal Procedure

CAUTION: Handle the electronic throttle control components carefully. Use cleanliness in order to prevent damage. Do not drop the electronic throttle control components. Do not roughly handle the electronic throttle control components. Do not immerse the electronic throttle control components in cleaning solvents of any type.
CAUTION: DO NOT for any reason, insert a screwdriver or other small hand tools into the throttle body to hold open the throttle plate, as the wedge inside the throttle body could be damaged.
    Fig 1: Air Cleaner Outlet Duct
    GM1897252Courtesy of GENERAL MOTORS CORP.
  1. Remove the air cleaner outlet duct. Refer to Air Cleaner Resonator Outlet Duct Replacement .
  2. Disconnect the engine wiring harness electrical connector (2) from the throttle body.
    3. Fig 2: Throttle Body Assembly
    GM1401966Courtesy of GENERAL MOTORS CORP.
  3. Remove the throttle body bolts (538) and nuts (507).
  4. Remove the throttle body (508).
  5. Remove and discard the throttle body seal (509).
scientia non olet · About LEMON Manuals