1989 Isuzu Truck Fuel pump replacement

1989 ISUZU TRUCK
160,000 MILES • 4 CYL • 2WD • MANUAL
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ROGERMELEAHLILLY
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Can the fuel pump on a 2.3 liter be replaced without removing the intake manifold?
Oct 15, 2010 at 10:44 PM
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BLUELIGHTNIN6
  • ✓ASE Certified Mechanic
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if you have the 4ZD1 motor than the intake must be removed, if you have the G180Z or G200Z motor than the distributor will need removed to replace mechanical fuel pump.
Oct 15, 2010 at 11:41 PM
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ROGERMELEAHLILLY
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Why must the intake manifold be removed to replace the fuel pump on the 4ZD1 engine? I wish to understand how it works.
Oct 16, 2010 at 9:46 AM
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BLUELIGHTNIN6
  • ✓ASE Certified Mechanic
  • 16,542 POSTS
  • ASE Certified Mechanic
because the pump is mounted underneath the intake, you have to remove intake to gain access to the fuel pump..
Oct 16, 2010 at 1:38 PM
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