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Home >> Chevrolet >> 2005 >> Uplander LS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 3.5L - Introduction (2 Of 2) >> Repair Instructions >> Throttle Body Assembly Replacement >> Installation Procedure
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Installation Procedure

    Fig 1: Removing/Installing Throttle Body
    GM1239002Courtesy of GENERAL MOTORS CORP.
  1. Install a new gasket, if necessary.
  2. Install the throttle body assembly.
    3. NOTE: Refer to Fastener Notice in Cautions and Notices.
  3. Install the throttle body nuts and the bolts.

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

    4. Fig 2: Removing/Installing Heater Pipe Nut At Throttle Body
    GM1239021Courtesy of GENERAL MOTORS CORP.
  4. Install the heater inlet pipe. Refer to Heater Hose/Pipe Replacement - Inlet/Outlet in Heating, Ventilation and Air Conditioning.
  5. Install the heater pipe nut to the throttle body.

    Tighten:  Tighten the nut to 25 N.m (18 lb ft).

    6. Fig 3: Identifying Electronic Throttle Control (ETC) Electrical Connector & Throttle Body
    GM1544723Courtesy of GENERAL MOTORS CORP.
  6. Connect the ETC electrical connector (1) to the throttle body (2).
  7. Install the air cleaner intake duct. Refer to Air Cleaner Intake Duct Replacement .
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