Nissan 240SX/Altima 1993-1998 Repair Guide

Throttle Body

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REMOVAL & INSTALLATION



See Figures 1, 2, 3 and 4



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Fig. Fig. 1: Tighten the throttle body mounting bolts in the illustrated sequence



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Fig. Fig. 2: Label and disconnect all hoses attached to the inlet air tube



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Fig. Fig. 3: The intake air tube can be removed complete with the resonator



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Fig. Fig. 4: Throttle body fastener locations


CAUTION
Never smoke when working around gasoline! Avoid all sources of sparks or ignition. Gasoline vapors are EXTREMELY volatile!

  1. Remove the intake duct from the throttle body.
  2.  
  3. Label and disconnect the vacuum hoses and the electrical harnesses.
  4.  
  5. Disconnect the accelerator cable.
  6.  
  7. Remove the four mounting bolts.
  8.  
  9. Remove the throttle body from the intake manifold.
  10.  

To install:
  1. Clean all gasket mating surfaces thoroughly.
  2.  
  3. Use a new gasket and position the throttle body on the intake manifold.
  4.  
  5. Tighten the throttle body mounting bolts to 6.5-8.0 ft. lbs. (9-2 Nm), then to 4-16 ft. lbs. (18-22 Nm) using a crisscross pattern.
  6.  
  7. Install and adjust the throttle cable.
  8.  

Check the throttle for smooth operation.

  1. Connect the electrical harnesses and vacuum hoses to the throttle body.
  2.  
  3. Connect the air duct to the throttle body.
  4.  

 
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