GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2008 🢒 Enclave 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Throttle Body Assembly Replacement

Removal Procedure

    Object Number: 1858234 Size: SH
  1. Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .
  2. Disconnect the engine wiring harness electrical connector (2) from the electronic throttle control (1).

    3. Object Number: 1858235 Size: SH
  3. Remove the throttle body bolts (3).
  4. Remove the throttle body (2) and gasket (2). Discard the gasket.

Installation Procedure

    Object Number: 1858235 Size: SH
  1. Position a NEW throttle body gasket (1) and throttle body (2) to the upper intake manifold.

    2. Notice: Refer to Fastener Notice in the Preface section.

  2. Install the throttle body bolts (3).

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


    Object Number: 1858234 Size: SH
  3. Connect the engine wiring harness electrical connector (2) to the electronic throttle control (1).
  4. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .
  5. Perform the throttle learn procedure. Refer to Throttle Learn .