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Throttle Body Unit: Installation

  1. Inspect manifold opening and remove any loose parts and/or material.
  2. Inspect intake manifold sealing surface for cleanliness.
  3. Remove gasket sealer from bolt threads. Remove shop towel from throttle body opening and install new flange gasket.
  4. Install throttle body assembly. If new throttle body is used, the idle stop screw on the new unit is preset by the manufacturer and should not require adjustment.
  5. Apply Loctite 2420 Threadlocker P/N 21485277 (or equivalent) to the attachment bolt threads. Install throttle body assembly retaining bolts.

    Torque: 

    Throttle Body-to-Air Intake Manifold (L24): 31 N.m (23 ft-lbs) 

  6. Install throttle control cable. Connect the vacuum harness.
  7. Connect IAC valve and Throttle Position (TP) sensor electrical connectors. Push in until a click is heard and pull back to confirm positive engagement. Connect negative battery terminal.

    Torque: 

    Battery Terminal Bolts: 17 N.m (13 ft-lbs) 

  8. Install air intake tube and fresh air hose. Start engine and check for vacuum leaks.
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