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Throttle Body

  1. Disassembly of throttle body unit for immersion in cleaning solvent requires removal of TPS (rear unit) and IAC assemblies. Throttle valve screws are staked in position and should not be removed. If necessary to remove TPS, continue as follows:
  2. Invert throttle body assembly and place on clean, flat surface. Remove TPS attaching screws from rear unit. Remove lock washers, retainers and TPS from throttle body.
  3. Remove IAC assembly and gasket from each throttle body. Remove and discard IAC gaskets. Any residue of thread locking compound on the IAC threads should be allowed to remain.
CAUTION: Three different designs of IAC valve are used. Replacement valves must be of the same design.
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