Question about 1991 Jeep Wrangler

2 Answers

1991 jeep wrangler gas leak

I have a gas leak from my gas line going into the gas tank on my Jeep. I have removed the shield plate and gas tank to take off the worn out line but I am not sure how to get them out. I don't have a manual and I am stumped. . .

any ideas?

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  • Anonymous Aug 22, 2008

    I have a 1991 Jeep Wrangler 4.0 and fuel is leaking from what appears to be the top of the fuel tank. I plan on dropping the tank on 08-22-08 I will report what I find to be the source of the leak. If anyone has an answer please respond. Thanks!

  • Anonymous Sep 25, 2008

    1994 Jeep Wrangler Fuel leak 130K miles

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2 Answers

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  • Master
  • 1,498 Answers

Hello everyone,l

For those of you who haven't started removing the gas tank, I'll start from the beginning.
You will need a 1/2" socket, ratchet, extensions, flat head, needle nose, floor jack, rag, broomstick,. A creeper will make this easier. Depending on your dimensions and the height of the frame on your particular vehicle, you may be able to use it without jacking the vehicle up..

  • Disconnect the negative battery terminal
  • If your engine is fuel injected, you need to relieve the line pressure. This is done from the injector rack on top of the engine. About the center of the rack you will find what looks like a filler valve on your tire, only thicker. The fuel line can maintain over 40 P.S.I. pressure even with key off. Place a rag over the pressure relief valve. Use the corner of a screwdriver to poke the center core through the rag. A second or two should do it.
  • Place a floor jack under the gas tank shield, jack it up until snug.
  • Disconnect the rear exhaust hanger.
  • Loosen and remove the three shield nuts above the rear end
  • Remove the plastic shield from beneath the left rear corner. Two plastic anchors hold it on. Disengage them by pulling the center plug out about 1/2". This will expose the hoses connecting the tank to the body.
  • Loosen the hose clamps
  • If you can get them to twist, try and get them off.
  • Rear nuts next. Loosen and remove all but the center one.
  • Make sure the jack is centered and snug
  • Remove the last nut. The tank isn't going to DROP. It will kind of lean, and jam against the exhaust.
  • Insert the broom stick into the exhaust pipe.
  • Push and hold it to the right, slowly let the jack down. Stop if it hangs up and work it free.
  • When its down far enough to access the top of the tank, disconnect the plug, loosen thew hose clamps, remove the hoses, separate the vent hoses at the 'T' connector.
  • Lower it the rest of the way
  • The tank can now be separated from the shield.
If you were experiencing a line leak, the top of the tank is where you'll find it. Inspect hoses, gaskets and connections

Posted on Nov 20, 2008

Jeep has a recall on 87 thru 94 gas leaks. go to http://www.automotix.net/autorepair/recalls/jeep-wrangler/1994/

Posted on Aug 30, 2008

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Have a 2002 jeep liberty will cut off and not start then after it sit's it will start


You need a fuel pump, your fuel pump is electronic and is getting hot and it is in the gas tank, well actually on top... pretty easy to repair if your handy\mechanical. heres how to get tank off then repacing the fuel pump is a self explaination once you see it, go buy a new one after looking at it you'll see what i mean. fairly simple fairly simple!!!
A.
  • Disconnect the negative battery terminal
  • If your engine is fuel injected, you need to relieve the line pressure. This is done from the injector rack on top of the engine. About the center of the rack you will find what looks like a filler valve on your tire, only thicker. The fuel line can maintain over 40 P.S.I. pressure even with key off. Place a rag over the pressure relief valve. Use the corner of a screwdriver to poke the center core through the rag. A second or two should do it.
  • Place a floor jack under the gas tank shield, jack it up until snug.
  • Disconnect the rear exhaust hanger.
  • Loosen and remove the three shield nuts above the rear end
  • Remove the plastic shield from beneath the left rear corner. Two plastic anchors hold it on. Disengage them by pulling the center plug out about 1/2". This will expose the hoses connecting the tank to the body.
  • Loosen the hose clamps
  • If you can get them to twist, try and get them off.
  • Rear nuts next. Loosen and remove all but the center one.
  • Make sure the jack is centered and snug
  • Remove the last nut. The tank isn't going to DROP. It will kind of lean, and jam against the exhaust.
  • Insert the broom stick into the exhaust pipe.
  • Push and hold it to the right, slowly let the jack down. Stop if it hangs up and work it free.
  • When its down far enough to access the top of the tank, disconnect the plug, loosen thew hose clamps, remove the hoses, separate the vent hoses at the 'T' connector.
  • Lower it the rest of the way
  • The tank can now be separated from the shield.

Mar 28, 2013 | 2002 Jeep Liberty

1 Answer

Replace fuel pump


Best to do this in a well vented area because of the fire hazard, so that the gas fumes don't accumulate.
1) Disconnect battery negative cable.2) Jack up car and support on safety Jack stands3) Siphon gas out of tank4) Remove three rubber hoses on rear of tank. These are used for gas fill up; remove hose clamps and disconnect.5) Remove three hoses from front of tank; these hoses go from the fuel pump to the engine. You'll need special fuel line wrenches for this.6) Disconnect two connectors at the front of the tank.7) Remove two bolts that hold the exhaust pipe heat shield. You'll want to use penetrating oil on these; they will be corroded.8) Support tank with a floor jack. Remove the bolts which hold the tank in place. Pivot the tank on the exhaust, tilt and slide out.9) The gas hoses are taped to the tank. Remove the hoses. The fuel pump plate has about 12 screws around it. Remove the screws. Lift the plate out. The fuel pump is retained with one screw. Remove the screw. Filter is retained with a clip; remove it.10) Get your new fuel pump ($250), the rubber gasket for the fuel pump plate, and new filter ($5). Compare the pump with the old one; it must be the exact lenght. I had to go to two different auto parts stores before I got the right one.Installation is opposite of above. Good luck!Fuel pump is not too tough. First, get a Haynes or Chilton manual for reference (about $14).Best to do this outdoors, so that the gas fumes don't accumate. If I recall correctly:1) Disconnect battery2) Jack up car3) Siphon gas out of tank4) Remove three rubber hoses on rear of tank. These are used for gas fill up; remove hose clamps and disconnect.5) Remove three hoses from front of tank; these hoses go from the fuel pump to the engine. You'll need special fuel line wrenches for this.6) Disconnect two connectors at the front of the tank.7) Remove two bolts that hold the exhaust pipe heat shield. You'll want to use penetrating oil on these; they will be corroded.8) Support tank with a floor jack. Remove the bolts which hold the tank in place. Pivot the tank on the exhaust, tilt and slide out.9) The gas hoses are taped to the tank. Remove the hoses. The fuel pump plate has about 12 screws around it. Remove the screws. Lift the plate out. The fuel pump is retained with one screw. Remove the screw. Filter is retained with a clip; remove it.10) Get your new fuel pump ($250), the rubber gasket for the fuel pump plate, and new filter ($5). Compare the pump with the old one; it must be the exact lenght. I had to go to two different auto parts stores before I got the right one.Installation is opposite of above. Good luck!


Read more: http://wiki.answers.com/Q/How_do_you_change_a_fuel_filter_for_a_92_geo_storm#ixzz27tyFTkDd

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Removed gas tank guard now won't start


Overtime, Jeep Grand Cherokee fuel tanks develop rust and accumulate sediment. This is especially true if the tank sits empty for a period of time. Rust and sediment can break loose and cause clogged filters. When the filter is clogged, the engine does not receive the amount of fuel required to operate. The fuel tank can be cleaned out; however, replacing the tank is easier.
  • 1 Apply the parking brake.

  • 2 Remove the gas cap.
  • 3 Remove the fuel pump relay from the power distribution center under the hood. Look at the underside of the power distribution cover, and locate the fuel pump relay.

  • 4 Attempt to start the engine, cranking the engine for several seconds.
  • 5 Turn the ignition to "Off." Install the fuel pump relay.
  • 6 Disconnect the negative cable from the battery.
  • 7 Lift the fuel tank into position, using the jack.

    8 Attach the fuel filler hose and vapor return hose to the fuel tank.Tighten the clamps with a Phillips screwdriver.

  • 9 Pivot the fuel tank retaining straps into position. Tighten the fuel tank retaining strap nuts with a socket and ratchet. Lower the jack.

  • 10 Connect the fuel pump electrical connector, the fuel filter line and the fuel return line. Push the fuel line retainer into the chassis.
  • 11 Raise the heat shield. Install the mounting bolts. Tighten the mounting bolts with a socket and ratchet.
  • 12 Install the tow hooks or trailer hitch, if equipped.
  • 13 Lift the skid plate into position with the jack. Tighten the skid plate mounting bolts with a socket and ratchet.
  • 14 Attach the electrical service connector to the bumper with a socket and ratchet.
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