ISUZU Amigo/Pick-ups/Rodeo/Trooper 1981-1996

Gasoline Fuel Filter

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The Pick-up (P'UP), Amigo and Rodeo models are equipped with the fuel filter located directly in front of the fuel tank, whereas on the Trooper/Trooper II models, the fuel filter is located along the inner side of the right frame rail, near the rear of the vehicle.

REMOVAL & INSTALLATION


CAUTION
To reduce the risk of fire and personal injury, it is necessary to relieve the fuel system pressure before servicing fuel system components. Unless this procedure is followed before servicing fuel lines or connections, fuel spray could occur.

Inline Fuel Filter

See Figures 1, 2, 3, 4, 5 and 6

  1. Properly relieve the fuel system pressure, as described in Fuel System .
  2.  
  3. Remove the fuel tank filler cap.
  4.  
  5. Raise and safely support the vehicle.
  6.  
  7. Using fuel line/vacuum line sealing clamps, pinch off the fuel line on each side of the fuel filter. On filters that use hex fittings, use a backup and flare nut wrench to loosen the inlet and outlet fittings.
  8.  
  9. Remove the fuel hose clamps and the fuel hoses from each side of the filter.
  10.  
  11. Remove the mounting bolt and the filter.
  12.  



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Fig. Fig. 1: In-line fuel filter components-relieve fuel pressure before disconnecting any fuel lines



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Fig. Fig. 2: The in-line fuel filter is mounted in a bracket, attached to the vehicle's frame rail



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Fig. Fig. 3: Use fuel line clamps on both hoses to reduce the amount of spilled fuel ...



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Fig. Fig. 4: ... then, while compressing the hose clamps, slide them away from the fuel filter



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Fig. Fig. 5: The hose can now be removed-once both hoses are detached, remove the filter



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Fig. Fig. 6: Make sure to install the fuel filter facing the right direction, as shown-in-line fuel filters

To install:
  1. Using a new filter, install it to the vehicle. Make certain that the fuel filter is positioned so that the flow arrow points in the correct direction.
  2.  
  3. Install the fuel hoses and fuel hose clamps to the filter. Tighten the fuel clamps until snug.
  4.  
  5. Remove the fuel line sealing clamps.
  6.  
  7. Lower the vehicle to the ground.
  8.  
  9. Install the fuel tank filler cap.
  10.  
  11. Start the engine and check for leaks at the filter.
  12.  

In-Tank Fuel Filter

A woven plastic filter is located on the lower end of the fuel pickup tube in the fuel tank. This filter prevents dirt from entering the fuel line and also stops water, unless the filter becomes completely submerged in water. This filter is self-cleaning and normally requires no maintenance. Fuel stoppage at this point indicates that the fuel tank contains an abnormal amount of sediment or water, and the tank should therefore be thoroughly cleaned. For more information regarding the removal and installation of this filter, please refer to the Fuel Tank or Fuel Gauge Sending Unit procedures in Fuel System .

 
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