GM S10/S15/Sonoma Pick-Ups 1982-1993 Repair Manual

Throttle Body

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REMOVAL & INSTALLATION



See Figure 1

  1. Disconnect the negative battery cable.
  2.  
  3. Remove the air inlet duct.
  4.  
  5. Disengage the IAC valve and TP sensor connectors.
  6.  
  7. Tag and disconnect the vacuum lines.
  8.  



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Fig. Fig. 1: Throttle body mounting-4.3L MFI-Turbo engine

  1. Disengage the throttle, TV and cruise control cables.
  2.  
  3. Remove the throttle body retaining bolts, then remove the throttle body and discard the old gasket.
  4.  

To install:
  1. Position the throttle body to the intake using a new gasket.
  2.  
  3. Install the throttle body retaining bolts and tighten to 17 ft. lbs. (23 Nm).
  4.  
  5. Engage the throttle, TV and cruise control cables.
  6.  
  7. Engage the vacuum lines as tagged during removal.
  8.  
  9. Engage the IAC and TP sensor connectors.
  10.  
  11. Install the air inlet duct.
  12.  
  13. Connect the negative battery cable.
  14.  

 
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