GM Blazer/Jimmy/Typhoon/Bravada 1983-1993 Repair Guide

Throttle Body

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REMOVAL & INSTALLATION



See Figures 1 and 2

  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.  



Click image to see an enlarged view

Fig. Fig. 1: Exploded view of throttle body assembly - 4.3L MFI-Turbo engine



Click image to see an enlarged view

Fig. Fig. 2: 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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