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Fuel tank leaking from top

Fuel tank is leaking from top from pipe that takes fuel back to tank. do not know if something inside tank might be blocked

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Leak in front of petrol tank is it the fuel pump


I found a ..... leak. is that what you are saying.
comma , IS IT The pump leaking.
we dont know , we cant see , try photos?

there are many ways to get leaks,
id never guess. why one anyone on something so dangerous.
have you looked yet? or just see wet pavement.
OR LOOK ABOVE BOTH TOP OF REAR TIRES.
To see top of tank? and where it leaks.?
dont park in doors, or BOOM.
out side, far from buildings say 50foot.

think about smokers and gas fired water heaters in garages.
there are 2 fuel lines
and many vents and parts that can leak , filler pipe and hose.
evap parts. lots.

Jun 13, 2014 | 2000 Suzuki Grand Vitara

1 Answer

2003 s-19 4.3l engine slow to fill fuel tank


By pass pipe crimped or blocked, most tanks have a pipe from the top of the tank to the neck of the filler to allow air to escape from the tank as the fuel is put in. If the pipe gets blocked, air has to come back up the filler pipe and it bubbles the fuel and backs it up to the filler causing the pump to knock off. Hope that helps.

Dec 27, 2013 | Cars & Trucks

1 Answer

I HAVE A PROBLEM ON THE FUEL ASSEMBLY OF A VOLVO S60 WHEREBY THE FUEL IS NOT MOVING FROM ONE TANK TO THE OTHER


Check the fuel cap on the tank that is not emptying or check the valve on the top of the tank is not blocked. There should be a small pipe in the top of the tank that has a small ball valve in the fitting. Normally it allows air in but in the event of a roll over it shuts off and prevents fuel leaking out the pipe

Mar 08, 2013 | Cars & Trucks

1 Answer

I removed my fuel tank to replace a leaking rubber gas line and not being very smart I disconnected both lines and did not mark what goes where, I know the small line is the vacuum but I don't want to go...


The two lines are pick-up & return.
If the two pipes are different thicknesses, then probably one pipe will be a good fit on only of the tank outlets.?
Also, when you put the old pipes up to the tank connectors they may be formed into a shape which will give you a strong clue as to which way round they fitted.?
Failing that, put something (like a golf tee) lightly into the ends of the two fuel pipes
Then, go to the fuel-filter near the engine & take the fuel-tank side connector off.
Blow down the pipe & whichever golf tee has blown out of the pipe, is your fuel pick-up & the other one will be your return pipe.
Don't forget to re-connect your pipe at the fuel filter.
Best of luck.

Sep 29, 2017 | 1992 Jeep Wrangler

3 Answers

Do i have to drop the tank to replace feul pump on 1998 ford thunder bird


Yes, the pump is inside the tank. Good luck!
Removal & Installation
  1. Disconnect the negative battery cable and relieve the fuel system pressure.
  2. Siphon or pump as much fuel as possible out through the fuel filler pipe.

NOTE

All vehicles have reservoirs inside the fuel tank to maintain fuel near the fuel pickup during cornering and under low fuel operating conditions. These reservoirs could block siphon tubes or hoses from reaching the bottom of the fuel tank. Repeated attempts using different hose orientations can overcome this obstacle.


  1. Raise and safely support the vehicle.
  2. Remove the exhaust pipe and exhaust shield, if equipped. Disconnect the fuel fill and vent hoses connecting the filler pipe to the tank. Disconnect one end of the vapor crossover hose at the rear over the driveshaft.
  3. If equipped with a metal retainer that fastens the filler pipe to the fuel tank, remove the screw attaching the retainer to the fuel tank flange.
  4. Disconnect the fuel lines and the electrical connector to the fuel tank sending unit. On some vehicles, these are inaccessible on top of the tank. In these cases they must be disconnected with the tank partially removed.
  5. Place a safety support under the fuel tank and remove the bolts from the fuel tank straps. Allow the straps to swing out of the way. Be careful not to deform the fuel tank.
  6. Partially remove the tank and disconnect the fuel lines and electrical connector from the sending unit, if required.
  7. Remove the tank from the vehicle.

To install:

  1. Raise the fuel tank into position in the vehicle. Connect the fuel lines and sending unit electrical connector if it is necessary to connect them before the tank is in the final installed position.
  2. Lubricate the fuel filler pipe with water base tire mounting lubricant and install the tank onto the filler pipe, then bring the tank into final position. Be careful not to deform the tank.
  3. Bring the fuel tank straps around the tank and start the retaining nut or bolt. Align the tank with the straps. If equipped, make sure the fuel tank shields are installed with the straps and are positioned correctly on the tank. Align the tank with the driveshaft.
  4. Check the hoses and wiring mounted on the tank top to make sure they are correctly routed and will not be pinched between the tank and body. Make sure the fuel vent hose is positioned above the vent retainer and not contacting the driveshaft.
  5. Tighten the fuel tank strap retaining nuts or bolts to 22-30 ft. lbs. (29-41 Nm).
  6. If not already connected, connect the fuel hoses and lines which were disconnected. Make sure the fuel supply, fuel return, if present, and vapor vent connections are made correctly. If not already connected, connect the sending unit electrical connector.
  7. Install the exhaust pipe shield, if equipped, and exhaust pipe.
  8. Lower the vehicle. Replace the fuel that was drained from the tank. Check all connections for leaks.

Sep 15, 2010 | 1998 Ford Thunderbird

3 Answers

When i put gas in my kia it spits it out after about 3 sec of filling. how do i fix?


The breether pipe located on the filling pipe can be blocked, it runs from the tank to the filling pipe . take it off at the top of the pipe and blow it to see if it is open.

Feb 26, 2010 | 2001 Kia Sportage

1 Answer

How do i take the tank out??1989 town car


Removal & Installation
  1. Disable the air suspension, if equipped.
  2. Disconnect the negative battery cable and relieve the fuel system pressure.
  3. Siphon or pump as much fuel as possible out through the fuel filler pipe.

NOTE Fuel injected vehicles have reservoirs inside the fuel tank to maintain fuel near the fuel pickup during cornering and under low fuel operating conditions. These reservoirs could block siphon tubes or hoses from reaching the bottom of the fuel tank. Repeated attempts using different hose orientations can overcome this obstacle.

  1. Raise and safely support the vehicle.
  2. If equipped with a metal retainer that fastens the filler pipe to the fuel tank, remove the screw attaching the retainer to the fuel tank flange.
  3. Detach the fuel lines and the electrical connector to the fuel tank sending unit. On some vehicles, these are inaccessible on top of the tank. In these cases they must be disconnected with the tank partially removed.
  4. Place a safety support under the fuel tank and remove the bolts or nuts from the fuel tank straps. Allow the straps to swing out of the way.
  5. Partially remove the tank and detach the fuel lines and electrical connector from the sending unit, if not detached previously.
  6. Remove the tank from the vehicle.
To install:
  1. Raise the fuel tank into position in the vehicle. Connect the fuel lines and sending unit electrical connector if it is necessary to connect them before the tank is in the final installed position.
  2. Lubricate the fuel filler pipe with water base tire mounting lubricant and install the tank onto the filler pipe, then bring the tank into final position. Be careful not to deform the tank.
  3. Bring the fuel tank straps around the tank and start the retaining nut or bolt. Align the tank with the straps. If equipped, make sure the fuel tank shields are installed with the straps and are positioned correctly on the tank.
  4. Check the hoses and wiring mounted on the tank top to make sure they are correctly routed and will not be pinched between the tank and body.
  5. Tighten the fuel tank strap retaining nuts or bolts to 20–30 ft. lbs. (28–40 Nm).
  6. If not already connected, connect the fuel hoses and lines which were detached. Make sure the fuel supply, fuel return, if present, and vapor vent connections are made correctly. If not already connected, connect the sending unit electrical connector.
  7. Lower the vehicle.
  8. Replace the fuel that was drained from the tank.
  9. Check all connections for leaks.

Feb 06, 2010 | 1989 Lincoln Town Car

2 Answers

Leaking gasoline from gas tank after being driven the gas tank is not full and it stops when I relieve the pressure by opening gas cap.


there are allot of hioses and connections to these tanks that can be leaking, the leak in almost always on the top of the tank, u are going to have to get under the car and look for gasoline stains from the leak, if the gas stains go up and over the top of the tank then the tank must come out fro repair.

Oct 13, 2009 | 1997 Cadillac DeVille

1 Answer

Fuel pump on chevy malibu


on 2000 malibu,the fuel pump is in the tank it will take you as long as it takes to drop tank! fuel pump is on top of tank,before starting remove fuel pressure by removing fuel pump fuse and run until it quits.it will take approx. 2-3hours to do a decent job. exhaust pipe is not on top it is on the left of the tank.

Mar 23, 2009 | 2000 Chevrolet Malibu

1 Answer

Fuel leaking from flexi pipe beside passenger rear


The only thing i can think of is, its a vent tube of some sort, but i can't understand why it comes out from under fuel tank, unless it runs from top of tank around under tank and back up and it looks like its commimg from bottom of tank.

Mar 09, 2009 | 1998 Subaru Legacy

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