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HOMESERVICE MANUALSCHEVROLET2010CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 4 (ENGINE CONTROLS AND FUEL - 4.3L - REPAIR INSTRUCTIONS)REPAIR INSTRUCTIONSTHROTTLE BODY ASSEMBLY REPLACEMENTINSTALLATION PROCEDURE
2010 Chevrolet Chevy Express G3500, Van Passenger Extended

Installation Procedure

2010 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Installation Procedure
WARNING: This page is about a different variant/trim than selected.
    Fig 1: Identifying Throttle Body, Gasket & Bolts
    GM1937515Courtesy of GENERAL MOTORS CORP.
  1. Install a NEW throttle body gasket (3) into the upper intake manifold.
  2. Place the throttle body (2) onto the upper intake manifold.
    3. CAUTION: Refer to Fastener Caution .
  3. Install the throttle body bolts (1) and tighten to 10 N.m (89 lb in).
    4. Fig 2: Identifying Manifold Absolute Pressure Sensor Components
    GM1934568Courtesy of GENERAL MOTORS CORP.
  4. Connect the engine wiring harness electrical connector (3) to the throttle actuator (2).
  5. Install the air cleaner outlet resonator. Refer to Air Cleaner Outlet Resonator Replacement .
  6. Perform the throttle learn procedure. Refer to Throttle/Idle Learn .
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.