Jeep Wagoneer/Commando/Cherokee 1984-1998

Injectors

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Removal & Installation



See Figure 1

A 13mm deep-well socket is necessary for this procedure.

  1. Disconnect the negative battery cable.
  2.  
  3. Remove the fuel return hoses and fittings from the injectors
  4.  
  5. Remove the high pressure lines from the injectors.
  6.  
  7. Remove both injector clamp nuts and washers from each injector.
  8.  
  9. Remove the injector clamp.
  10.  
  11. Pull the injector from the head.
  12.  
  13. Remove the copper seal and the heat shield.
  14.  

To install:
  1. Clean the injector bore with a brass brush.
  2.  
  3. Install a new heat shield and a new copper seal. Never reuse the old ones!
  4.  
  5. Install the injector, high pressure fuel lines (finger-tight at this time), clamps, washers and nuts.
  6.  
  7. Tighten the high pressure fuel lines.
  8.  
  9. Use new washers and install the fuel return lines. Tighten the fittings to 88 inch lbs. (10 Nm).
  10.  



Click image to see an enlarged view

Fig. Fig. 1: Diesel injector installed. (1) is the copper seal, (2) is the heat shield

 
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