Question about 1990 Nissan 300ZX

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Fuel leak upper tank area

Just filled up and its dripping from the top down along the hose I have a 1990 300zx two seater. I tried to remove my fuel tank to fix some hole in it. I removed everything but the tank don't have clearance to drop. Does anybody have an ideas how to do this? Thanks in advance.

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You need to invest in some jack stands or take it to a mechanic shop to get it off the ground so you can work on it.

Posted on Feb 01, 2009

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Gas seems to be coming from the top of plastic gas tank and running down the left side of the tank and dripping on the ground


I know it sounds a bit difficult but fuel leaking is serious danger so with this id siphon tank dry (don't use a drill pump ) and undo fasteners and hoses/wires that hold it too truck , lowering it to ground , a carefull inspection of approx. area of leak will tell the problem , your looking for cracks in plastic or rubber hoses , these might be very small and fine look closely
if cracks are in the tank , unless you know someone with a ultrasonic welder id replace the tank

Oct 30, 2015 | 2003 Ford Explorer Sport Trac

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Gas leak at gas tank saturn aura


If it is coming from the top, it could be a bad seal for the sending unit or seals for the fuel lines. If it's from the fill hose, replace it.

Mar 01, 2015 | Saturn Cars & Trucks

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I HAVE A 2004 SONATA WITH A BAD GAS LEAK NEAR TOP OF TANK AND IT JUST LEAKS WHEN CAR IS RUNNING SO THURSDAY AFTERNOON I GOT UNDER CAR WHERE I HAD A GOOD ANGLE OF THE HOSES GOING INTO FUEL TANK AND WAT


google youtube and find out if there is a video pertaining to changing your fuel pump..U might be able to access it from under the back seat or from in the trunk...there for u wont have to drop the tank..sounds like a bad fuel hose from tank to fuel filter via Engine

Oct 24, 2014 | Hyundai Motor 2004 Sonata

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The hose is on the side of the gas cap and it runs down to the bottom of the quarter panel. When I filled the gas tank up, gas comes out of this hose. We just had the fuel pump replaced. Its not leaking...


There are normally two hose lines from the fuel filler that run to the tank. The larger one carries the fuel from the nozzle to the tank. The smaller one is a vent hose that allows vapors to leave the top of the tank while filling. These vapors come back to the nozzle area and can be vented and/or collected by the nozzle depending upon air pollution standards in your area. If your second hose is running to the bottom of the quarter panel, it is probably the vent hose that may not have been reconnected at the top of the tank when the fuel pump was replaced. The fuel running down there is from kickback fuel at the time the pump shuts off. The real problem is that the vent line is open on top of the tank and when the tank is full, that can allow vapors and fuel to escape out of there and it could contact hot exhaust areas - a major fire or explosion hazard. Have this inspected and repaired IMMEDIATELY.

Nov 05, 2013 | Ford Mustang Cars & Trucks

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Why does my svt contour gas tank overflow into the parking lot when filling up.


There are two hoses running from the filler neck. Either of them could be leaking from the top. There is also a seal on the top of the tank where the fuel pump is that can leak. If your car leaks the whole time you are putting fuel in, I would suspect the hoses. If it only leaks when you get it full, then check the seal on the top of the tank. The top of the tank can be seen without dropping the tank. Remove your back seat and you will see a cover over the fuel pump. Remove that cover and you can see the top of the tank.

Apr 29, 2012 | 1999 Ford Contour

1 Answer

My escort has no go power like its getting no gas


Try a fuel filter:
Fuel Filter REMOVAL & INSTALLATION The in-line fuel filter is located in the engine compartment between the fuel tank and the fuel rail.
  1. Properly relieve the fuel system pressure.
  2. Disconnect the negative battery cable.
  3. Position a suitable container below the fuel filter to collect any excess fuel that may leak from the filter and lines. 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.
  4. Remove the retaining clip from the fuel filter upper hose.
  5. Disconnect the upper hose from the fuel filter and drain any excess fuel into the container. Plug the hose.
  6. Raise and safely support the vehicle.
  7. Remove the retaining clip from the fuel filter lower hose.
  8. Disconnect the lower hose from the fuel filter and drain any excess fuel into the container. Plug the hose.
  9. Lower the vehicle.
  10. Unfasten the filter retaining clamp screw and remove the fuel filter. Fig. 1: The fuel filter is located in the engine compartment, between the fuel tank and fuel rail — 1.9L engine's underside shown 90981p47.jpg
    Fig. 2: To remove the fuel filter upper hose clip, grasp the clip (arrow) . . . 90981p48.jpg
    Fig. 3: . . . and gently pull the clip from the hose. (Lower hose clip removal is similar) 90981p49.jpg
    Fig. 4: Grasp the hose and pull it from the fuel filter 90981p50.jpg
    Fig. 5: Unfasten the filter retaining clamp screw 90981p51.jpg
    Fig. 6: Grasp the filter and remove it from the vehicle 90981p52.jpg
    To install:
  11. Position the fuel filter and tighten the filter mounting clamp.
  12. Remove the plug, then connect the upper hose to the filter and install the hose retaining clip.
  13. Raise and safely support the vehicle.
  14. Remove the plug, connect the lower hose to the filter and install the hose retaining clip.
  15. Lower the vehicle.
  16. Connect the negative battery cable.
  17. Start the engine and check for leaks.
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Aug 01, 2010 | 1995 Ford Escort

2 Answers

I have a 1991 Toyota Corolla and I don't know what is wrong with my fuel hose, it leaks when I make a right, and when I fill the tank to a point. And I can't locate the problem, all there is, is a stench...


you need to get your car to a car shop so they can put it on a lift to see what is wrong. fuel leak can be very dangerous.
there is a fuel pump gasket on the top of the tank
there is a filler hose goes to the side of the tank
there are a pressure hose and a return hose go to the top of the tank
there are evaporation hoses on top of the tank as well.
rubber hoses are getting old and crack easily
so there are many possibiltities that can cause leak

Mar 10, 2010 | 1991 Toyota Corolla

2 Answers

Fuel tank leaking how to solve problem gas is not pouring out but is seeping through bottom of tank There is fuel leaking from the top of the tank, is it a fuel overflow release or is the seal on the fuel...


If your gas tank is cracked or has a hole in it, you have to drain the tank, remove the gas tank and replace it, or have it repaired (if possible). If the gas tank is just leaking from the top and dripping along the side and to the bottom, you will still have to empty the gas tank, and remove it to get a good look at the condition of the gasket. It is not uncommon for these gaskets to become cracked or fragile over time because of the harsh chemicals and cleaning agents used in unleaded gas. If you do decide to have the gas tank removed, I would recommend replacing the fuel pump and fuel filter if your car has high mileage. Please rate this response if you found this helpful.

May 29, 2009 | 1995 Jeep Grand Cherokee

2 Answers

1999 jeep cherokee do you have to remove the fuel pump to replace


The combination Fuel Filter/Fuel Pressure Regulator is located on the fuel pump module. The fuel pump module is located on top of fuel tank.

The filter/regulator may be removed without removing fuel pump module although fuel tank must be removed.

REMOVAL
  1. Remove fuel tank. Refer to Fuel Tank Removal/Installation.
  2. Clean area around filter/regulator.
  3. Disconnect fuel line at filter/regulator. Refer to Quick-Connect Fittings for procedures.
  4. Remove retainer clamp from top of filter/regulator. Clamp snaps to tabs on pump module. Discard old clamp.
  5. Pry filter/regulator from top of pump module with 2 screwdrivers. Unit is snapped into module
  6. Discard gasket below filter/regulator.
    1. Before discarding filter/regulator assembly, inspect assembly to verify that O-rings are intact. If the smallest of the two O-rings can not be found on bottom of filter/regulator, it may be necessary to remove it from the fuel inlet passage in fuel pump module.
    INSTALLATION
    1. Clean recessed area in pump module where filter/regulator is to be installed.
    2. Obtain new filter/regulator (two new O-rings should already be installed)
    3. Apply a small amount of clean engine oil to O-rings. Do not install O-rings separately into fuel pump module. They will be damaged when installing filter/regulator.
    4. Install new gasket to top of fuel pump module.
    5. Press new filter/regulator into top of pump module until it snaps into position (a positive click must be heard or felt).
    6. The arrow molded into top of fuel pump module should be pointed towards front of vehicle (12 O'clock position).
    7. Rotate filter/regulator until fuel supply tube (fitting) is pointed towards front of vehicle (12 O'clock position).
    8. Install new retainer clamp (clamp snaps over top of filter/regulator and locks to flanges on pump module).
    9. Connect fuel line at filter/regulator. Refer to Quick-Connect Fittings for procedures.
    10. Install fuel tank. Refer to Fuel Tank Removal/Installation.
WARNING: THE FUEL SYSTEM IS UNDER CONSTANT FUEL PRESSURE EVEN WITH THE ENGINE OFF. THIS PRESSURE MUST BE RELEASED BEFORE SERVICING FUEL TANK .

Two different procedures may be used to drain fuel tank (lowering tank or using DRB scan tool).

The quickest draining procedure involves lowering the fuel tank.

As an alternative procedure, the electric fuel pump may be activated allowing tank to be drained at fuel rail connection. Refer to DRB scan tool for fuel pump activation procedures. Before disconnecting fuel line at fuel rail, release fuel pressure. Refer to the Fuel System Pressure Release Procedure for procedures. Attach end of special test hose tool number 6541, 6539, 6631 or 6923 at fuel rail disconnection (tool number will depend on model and/or engine application). Position opposite end of this hose tool to an approved gasoline draining station. Activate fuel pump and drain tank until empty.

If electric fuel pump is not operating, tank must be lowered for fuel draining. Refer to following procedures.

FUEL TANK REMOVAL
  1. Disconnect negative battery cable at battery.
  2. Release fuel system pressure. Refer to the Fuel System Pressure Release.
  3. Raise and support vehicle.
  4. If Equipped: Remove fuel tank skid plate.
  5. Remove 4 fuel hose shield mounting bolts and remove fuel hose shield from body.
    1. Remove fuel tank fill hose and vent hose clamps at fuel tank filler tube. Remove both hoses at fuel filler tube.
    2. Remove exhaust tailpipe heat shield mounting bolts and remove shield. CAUTION: To protect fuel tank from exhaust heat, this shield must reinstalled after tank installation.
    3. Place a hydraulic jack to bottom of fuel tank. WARNING: PLACE A SHOP TOWEL AROUND FUEL LINES TO CATCH ANY EXCESS FUEL .
      1. Disconnect fuel supply line from fuel extension line near front of fuel tank. Refer to Fuel Tubes/Lines/Hoses and Clamps. Also refer to Quick-Connect Fittings for procedures.
      2. Disconnect EVAP canister vent line near front of tank.
      3. Disconnect fuel pump module electrical connector (pigtail harness) near front of tank. Harness connector is clipped to body.
        1. Remove two fuel tank strap nuts. Position both tank support straps away from tank.
        2. Carefully lower right side of tank while feeding both fuel hoses through access hole in body. Fuel Tank Full And Not Drained Using DRB Scan Tool: To prevent fuel loss through hoses, keep left side of tank higher than right side while lowering. Do not allow hose openings to drop lower than top of tank.
        3. Continue lowering tank until clear of vehicle. Place tank on floor with left side (hose side) higher than right side
          1. Drain tank by removing fuel fill hose at tank. Fuel fill hose is largest of 2 hoses. Insert the drain hose (from an approved gasoline draining station) into hose opening. Drain tank until empty.
          2. If fuel pump module removal is necessary, refer to Fuel Pump Module Removal/installation for procedures.
          INSTALLATION
          1. If fuel pump module is being installed, refer to Fuel Pump Module Removal/installation for procedures.
          2. Install fuel fill/vent hoses to tank fittings. To prevent hose from kinking, rotate each hose until index mark on hose is aligned to index tang on fuel tank.
          3. Install hose clamps to hoses. Position clamps between index marks on each hose.
          4. Position fuel tank to hydraulic jack.
          5. Raise tank into position while guiding fuel fill and vent hoses into and through access hole in body.
          6. Continue raising tank until positioned to body.
          7. Attach two fuel tank mounting straps and mounting nuts. Tighten nuts to 10 Nm (90 in. lbs.) torque. Do not over tighten nuts.
          8. Install both fuel hoses to fuel fill tube. Tighten both retaining clamps.
          9. Position fuel hose shield to body. Install and tighten 4 mounting bolts.
          10. Connect fuel pump module pigtail harness electrical connector near front of tank.
          11. Connect fuel pump module supply line near front of tank. Refer to Quick-Connect Fittings for procedures.
          12. Connect EVAP hose near front of tank.
          13. Install exhaust tailpipe heat shield.
          1. Install fuel tank skid plate (if equipped).
          1. Lower vehicle and connect battery cable to battery.

Feb 08, 2009 | 1999 Jeep Cherokee

1 Answer

Fuel leak upper tank area


call around and have a bladder bag put in you have a hole in your tank

Nov 27, 2008 | 1996 Nissan Maxima

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