S10 Pickup, Sonoma 2000-2004

Throttle Body

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Removal & Installation



2.2L Engine
  1. Disconnect the negative battery cable.
  2.  
  3. Remove the air cleaner resonator from the throttle body .
  4.  
  5. Disconnect the electrical connector from the idle air control (IAC) valve.
  6.  
  7. Disconnect the electrical connector from the throttle position (TP) sensor.
  8.  
  9. Remove the vacuum hoses at the throttle body.
  10.  
  11. Remove the accelerator and cruise control cables from the accelerator cable bracket.
  12.  
  13. Remove the accelerator cable bracket.
  14.  
  15. Remove the throttle body attaching bolts.
  16.  
  17. Remove the throttle body from the intake manifold.

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    Fig. Removing/installing throttle body assembly-2.2L engine

  18.  

To install:

  1. Inspect the throttle body gasket, replace as necessary.
  2.  
  3. Install the throttle body.
  4.  
  5. Install the throttle body attaching bolts and tighten to 89 inch lbs. (10 Nm).
  6.  
  7. Install the accelerator cable bracket .
  8.  
  9. Install the throttle and cruise control cables to the throttle body.
  10.  
  11. Install the vacuum hoses to the throttle body.
  12.  
  13. Connect the electrical connector to IAC sensor.
  14.  
  15. Connect the electrical connector to TP sensor.
  16.  
  17. Install the air cleaner resonator to the throttle body.
  18.  
  19. With the engine OFF, check to see that the accelerator pedal is free, by depressing the pedal to the floor and releasing.
  20.  
  21. Connect the negative battery cable.
  22.  
  23. Reset IAC valve pintle position:
    1. Turn ON the ignition, with the engine OFF.
    2.  
    3. Turn OFF the ignition for 10 seconds.
    4.  
    5. Start the engine and inspect for proper idle and throttle operation.
    6.  

  24.  

4.3L Engines
  1. Disconnect the negative battery cable.
  2.  
  3. Remove the air cleaner outlet duct.
  4.  
  5. Remove the air cleaner adapter stud.
  6.  
  7. Disconnect the cruise control cable from the throttle body.
  8.  
  9. Disconnect the accelerator cable from the throttle body.
  10.  
  11. Remove the nuts retaining the accelerator cable routing bracket and position the bracket aside.
  12.  
  13. Remove the stud and nuts retaining the accelerator control cable bracket and position the bracket aside.
  14.  
  15. Disconnect the IAC valve harness connector.
  16.  
  17. Disconnect the TP sensor harness connector.
  18.  
  19. Remove the throttle body retaining studs.
  20.