Chevrolet Blazer/Jimmy 1969-1982 Repair Guide

Injection Lines

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REMOVAL & INSTALLATION



  1. Disconnect the batteries.
  2.  
  3. Disconnect the air cleaner bracket at the valve cover.
  4.  
  5. Remove the crankcase ventilator bracket and position it out of the way.
  6.  
  7. Disconnect the fuel lines and remove the secondary fuel filter.
  8.  
  9. Loosen the vacuum pump hold-down clamp and then rotate the pump to gain access to the manifold bolt.
  10.  
  11. Remove the intake manifold bolts. The injection line clips are retained by the same bolts.
  12.  
  13. Remove the intake manifold and cover the holes with screened covers or tape.
  14.  
  15. Remove the injection line clips at the loom brackets.
  16.  
  17. Remove the injection lines at the nozzles and cover the nozzles with protective caps.
  18.  
  19. Tag and disconnect injection lines at the injection pump.
  20.  
  21. Remove fuel line from injection pump.
  22.  

To install:

  1. Install the injection lines.
  2.  
  3. Remove the covers or tape and install the intake manifold.
  4.  
  5. Install the secondary fuel filter and lines.
  6.  
  7. Tighten the vacuum pump hold-down clamp and then install the crankcase ventilator.
  8.  
  9. Connect the air cleaner and the batteries.
  10.  

 
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