Chrysler Full-Size Vans 1989-1998 Repair Guide

Fuel Pressure Regulator

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REMOVAL & INSTALLATION



See Figures 1 and 2


CAUTION
Observe all applicable safety precautions when working around fuel. Whenever servicing the fuel system, always work in a well ventilated area. Do not allow fuel spray or vapors to come in contact with a spark or open flame. Keep a dry chemical fire extinguisher near the work area. Always keep fuel in a container specifically designed for fuel storage; also, always properly seal fuel containers to avoid the possibility of fire or explosion.

  1. Remove the engine cover.
  2.  
  3. Properly relieve the fuel system pressure.
  4.  
  5. Disconnect the negative battery cable.
  6.  
  7. Remove the air cleaner assembly.
  8.  
  9. Remove the three screws attaching the pressure regulator to the throttle body. Place a shop towel around the inlet chamber to contain any fuel remaining in the system.
  10.  
  11. Pull the pressure regulator from the throttle body.
  12.  
  13. Carefully remove the O-ring from the pressure regulator and remove the gasket.
  14.  

To install:
  1. Thoroughly clean the gasket surfaces.
  2.  
  3. Place a new gasket on the pressure regulator and carefully install a new O-ring.
  4.  
  5. Position the pressure regulator on the throttle body press it into place.
  6.  
  7. Install the three screws and tighten them to 40 inch lbs. (4.5 Nm).
  8.  
  9. Connect the negative battery cable.
  10.  
  11. Start the vehicle and check for leaks.
  12.  
  13. Install the air cleaner assembly.
  14.  
  15. Install the engine cover.
  16.  



Click image to see an enlarged view

Fig. Fig. 1: Cutaway view of the TBI style fuel pressure regulator, which mounts on the throttle body



Click image to see an enlarged view

Fig. Fig. 2: Removing the fuel pressure regulator on a TBI equipped vehicle

 
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