Question about 1987 Nissan Pulsar

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Leaking fuel from top of fuel pump...how do i get access

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  • gerry bissi May 11, 2010

    either through an acces panel under seat or drop the fuel tank. Usually have a steel ring holding it on. turn to remove.

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Some of these cars had an access panel under the spare tire compartment in the trunk . I yours does not , get ready and pull the tank out !! take the nuts off of the holding straps carefully and don't drop the tank on your head !! gently lower it down enough to disconnect the fuel lines . Pick up the fuel line disconnect tools at any auto parts store and let them show you how to use them . the pump will unlock from the tank and easily pull it out . Be careful not to damage the level float rod ! replace it carefully with a new seal and put the tank back in >> Good luck !!

Posted on Apr 20, 2009

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Posted on Jan 02, 2017

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Why is ther fuel leaking from the top of a fuel tank on a 2012 Focus when full


until your able to see exactly where ---you have multi vapor/ fuel lines-fuel pump access panel and possible damaged tank itself

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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

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When filling up the gas tank of my 1998 Pontiac Grand Prix SE, it releabsed a few cups of gasoline from somewhere at the bottom of the car. I'm not sure why??? It hasn't leaked since.


Both the fuel pump and gas gage sending units are located inside the tank. They are accessed by a plate and gasket on top of the fuel tank.
If the gasket leaks or the hoses leading to the vent leak, your condition would happen. Unfortunately to confirm the tank would have to be dropped(removed) which requires all the fuel to be removed first. Not a pleasant nor easy task.

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Leaking fuel pump


If the fuel is leaking into the car you will need the replace the seal on the top on the pump assembly not the seals on the pump itself but before changing the seal just double check the fuel lines are tight and the leak is actually from the fuel splashing out of the tank. The seal your after is referred to as the pump assembly oring ( big rubber oring around the top of the assembly a smear of silcone can be used as a temporary fix but erge you to get it fix properly as soon as possible and fuel fumes in the cabin can be extremely deadly)
Hope this helps

Jan 15, 2014 | 2003 Nissan Altima

1 Answer

Does the 2004 cadillac deville have a access panel or do I have to remove the tank to gain acess to fuel pump


lucky you, you can get to it from the trunk.

Removal & Installation

  1. Before servicing the vehicle, refer to the Precautions Section.
  2. Relieve the fuel system pressure.
  3. Drain the fuel tank.
  4. Remove or disconnect the following:
    CAUTION When removing the fuel sender from the tank, the reservoir bucket is full of fuel. Use caution in containing the fuel.

    NOTE Note the direction the strainer is pointing.


    Negative battery cable Spare tire and jack Trunk lining Fuel sender access panel Sender and quick connect fittings from the sender Electrical connector from the sender and position harness and hoses aside


    Sender retaining ring Sender and take note of its position Fuel sender O-ring and discard it


    Strainer from the pump by pulling it down and twisting Pump electrical wires and hoses Pump assembly out of the rubber connectors

To install:
  1. Transfer any insulators and grommets from the old pump to the new one.
  2. Connect the pump to the fuel hose and tilt the bottom of the pump into the mounting bracket.
  3. Install or connect the following:

    New strainer on the pump so it points in the same direction as noted during removal Electrical connectors and fuel lines to the pump New O-ring on top of the fuel tank Fuel sender assembly into the tank Lockring Fuel line quick connectors Sender electrical connector Fuel sender access cover Trunk liner Spare tire and jack
  4. Refill with fuel and check for leaks.

Sep 03, 2011 | 2004 Cadillac Deville

1 Answer

I have a fuel leak somwhere near the gas tank. There is fuel which leaked on to the rear axle but I can not find the source.


IT MIGHT HAVE COME FROM THE FILLER TUBE TO THE GAS TANK! OR POSSIBLY ONE OF THE FUEL LINES ATTACHED TO THE TOP OF THE TANK! ON A NEWER CAR, YOU CAN ACCESS THE FUEL PUMP INLET FROM UNDER THE BACK SEAT! DEFINATELY CHECK THIS OUT, AS IT CAN CAUSE A FIRE, AND YOU COULD GET HURT!

Mar 12, 2011 | Ford Windstar Cars & Trucks

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Vaccuum leak, had it smoked and all they told me was tha smoke was rolling of the top of the tank. Any ideas?


So you had a code for an EVAP leak? P044X (x = any number 0-9)

If its coming out of the tank than the fuel pump seal is probably the culprit. It is fairly common on Saturns. I've had a couple that the retainer had spun all the way of and fuel would poor out the tank when the owner tried filling.

The next step would be to drop the fuel tank or if there is an access door to the fuel pump remove that and see what is going on.

Sep 24, 2010 | 2001 Saturn L-Series

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How to change a fuel pump on a 2005 Nissan


Nissan Car Altima & Sentra 1999-06 Repair Guide
Fuel Pump - Removal & Installation
  1. Before servicing the vehicle, refer to the Precautions Section.
  2. Relieve the pressure from the fuel system.
  3. Remove or disconnect the following:
    NOTE When the fuel sending unit needs to be removed, pull the tab upwards. The tab is located on the sending unit, opposite the end of the float. After the tab is pulled, the sending unit will lift straight out of the tank bracket.
    Negative battery cable Rear seat and the access cover Fuel pump electrical connector Fuel lines from the fuel pump assembly Locking ring Fuel gauge assembly Fuel tube and connector from the fuel gauge
    Fuel pump by pinching the 2 locking tabs together. Lift the fuel pump assembly straight upward and out of fuel tank. O-ring and discard
  4. Place a clean rag in the hole to keep out dirt.
To install:
  1. Remove the rag
  2. Install or connect the following:
    NOTE Verify that the mark on the fuel tank and the components are aligned when installing the pump and fuel gauge sending unit.
    New O-ring and fuel pump Electrical connection and fuel tube to the fuel gauge sending unit Fuel sending unit into the tank
  3. If equipped with a threaded lock ring torque the ring to 22-26 ft. lbs. (30-35 Nm). If equipped with a lock ring held by six retaining screws, torque the screws to 18-22 inch lbs. (2-2.5 Nm).
    Fuel lines and fuel pump electrical connector. Always install new clamps on the fuel lines. Negative battery cable
  4. Start the engine, check for leaks and repair if necessary.
    Fuel pump access cover Rear seat

The fuel pump is located in the fuel tank on all vehicles. In-tank fuel pumps are accessible by lifting up the rear seat to gain access to the inspection cover.
  1. Before servicing the vehicle, refer to the Precautions Section.
  2. Relieve the fuel system pressure.
  3. Remove or disconnect the following:
    Negative battery cable Rear seat from the vehicle Inspection cover that is located under the rear seat Inlet and outlet fuel lines from the fuel pump assembly Fuel pump and gauge wiring connections 6 mounting bolts that secure the fuel pump assembly to the top of the fuel tank
  4. Raise up the fuel pump assembly and detach the fuel tubes and connector.
    Fuel gauge assembly Fuel pump with the fuel chamber
  5. Pull up the front of the fuel pump chamber and slide the chamber forward.
    Fuel pump from the chamber O-ring seal or gasket
To install:
  1. Install or connect the following:
    Fuel pump to the fuel pump chamber and slide chamber rearward Fuel pump with the fuel pump chamber Fuel gauge assembly using a new O-ring Fuel tubes and connector. Use new hoses and clamps. 6 mounting bolts to the top of the fuel gauge unit and torque the bolts to 18-22 inch lbs. (2-2.5 Nm) Fuel pump and gauge wiring connections New inlet and outlet fuel lines to the fuel pump assembly Negative battery cable
  2. Start the vehicle, check for leaks and repair if necessary. Inspection cover and the rear seat

Hope helps (remember comment and rates this).

Jul 07, 2010 | 2005 Nissan Sentra

1 Answer

2002 volvo s80 has leak at top of gas tank. can hear hissing sound. does the exhaust system need to be saw off to repair?


This should be repairable from the top.
Pull out the rear seat cushion and remove the two black round access covers to access the fuel pump covers. The seals for these covers tend to leak and if they are leaking, you will see it when the covers are off.

Dec 08, 2008 | 1999 Volvo S80

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