GM: Electra/Park Avenue/Ninety-Eight 1990-1993

Throttle Body

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Fig. Fig. 1 Throttle body assembly-Vin C engine



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Fig. Fig. 2 Removing the air inlet duct from the throttle body



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Fig. Fig. 3 Throttle body assembly-Vin L and 1 engine

REMOVAL & INSTALLATION



  1. Disconnect the negative battery cable. Drain the coolant to below the throttle body level.
  2.  
  3. Remove the air inlet duct. Disconnect the Idle Air Control (iac) valve, Throttle Position Sensor (tps), and Mass Air Flow (maf) connectors.
  4.  
  5. Remove the throttle, throttle valve and cruise control cables. Label and disconnect vacuum lines.
  6.  
  7. Remove the throttle cable bracket.
  8.  
  9. Remove the throttle body retaining bolts and remove the throttle body from the intake manifold. Discard the flange gasket.
  10.  
  11. Installation is the reverse order of the removal procedure. Torque the retaining bolts to 11 ft. lbs. (15 Nm).
  12.  
  13. Refill the cooling system.
  14.  

 
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