Question about Chevrolet Suburban 1500

12 Answers

I have a 1992 Chevy suburban that I need to change the fuel pump, I already removed the 2 strains from the gas tank but, the only thing that was lowered with the strains was the fuel tank protector, and the fuel tank remain intact on its place without lowered or move, now my question is how can I lowered the fuel tank to remove and change the fuel pump?

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  • 16 more comments 
  • trustsunb Mar 10, 2009

    would you please help me with a more specific solution?

  • trustsunb Mar 10, 2009

    how can I remove the tank from the rubber pads or what can I use to remove it?

  • trustsunb Mar 10, 2009

    I need a more specific help for my suburban no a general help

  • trustsunb Mar 10, 2009

    the tank is stuck and I can't remove it, please let me know what items I need to use to remove the tank

  • trustsunb Mar 10, 2009

    but it is stuck what Items do I need to remove the tank if it is stuck

  • trustsunb Mar 10, 2009

    my suburban is not a 1992 GMC Sierra, Yukon, Suburban, it is 1992 chevy suburban on this year was like 3 o 4 suburban version mine is 1992 Chevy silverado Suburban, please I'm waiting for an answer that Told me how can I remove the tank that is stuck on the rubber pads, please don't send me to buy something on Ebay, if I need to buy something on Ebay I don't pay $9.95 and wait for somebody to tell me that go to Ebay and buy a book, that answer I know by myself.

  • trustsunb Mar 10, 2009

    Thank you for this link but, somebody else already sent this link, and it explain something different to what I'm asking.

  • trustsunb Mar 10, 2009

    Thank you this answer already read it from wikiquestions.

  • trustsunb Mar 10, 2009

    This comment I think was the best: Use some kind of long, flat tool to slide under the tank to free it.
    Gary used a metal yardstick. You may have to **** the tank a bit to work the
    filler neck clear. Lift the tank out of the car, being careful to keep it level so fuel
    doesn?t spill out of the filler neck.....

  • trustsunb Mar 10, 2009

    if you can repost this help with some instructions could be better

  • trustsunb Mar 10, 2009

    how can I Relieve the fuel system pressure.

  • trustsunb Mar 10, 2009

    ok my truck is already dead doesn't start that is the reason that I'm changing the Fuel pump, what I need to do,

  • trustsunb Mar 10, 2009

    I don't know if this work because it is a different vehicle

  • trustsunb Mar 11, 2009

    please be more specific

  • trustsunb Mar 11, 2009

    my truck doesn't have the relief valve I look for it but it doesn't have it, I look under the carburator and it doesn't have it

  • trustsunb Mar 11, 2009

    I already tried but, it didn't work

  • trustsunb Mar 11, 2009

    I tried that but, it is very small and doesn't fit

  • trustsunb Mar 11, 2009

    the space is too small

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12 Answers

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There may be a little rust build up form the winter driving and rainy days. i would use a non abrasive wand or rubber coated bar to pry it off.

Posted on Mar 11, 2009

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Make sure the fill tube is also removed, and you should take a pry bar and try to pry it down. the only thing holding it is the straps.

Posted on Mar 11, 2009

  • Jeff Workman
    Jeff Workman Mar 11, 2009

    I do this for a living. THe fuel tank must be stuck on the frame and the filler tube hose is probably still connected. take those off, pry down tank a little bit and remove the fuel lines from the top off take! sometimes they are push on connectors, or there are threads to disconnect ususally 16mm wrench will get them off.After this is removed the tank shall come down. SOMETIMES you have to WRESTLE with the TANK for it to comedown!

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I does these all the time .Do you have a pry bar that is what you need to free the tank from the rubber!dont foget to take off the inlet hose and fuel lines. because they really get stuck.

Posted on Mar 11, 2009

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  • mike loshbough
    mike loshbough Mar 11, 2009

    you tried what ? pry bar

  • mike loshbough
    mike loshbough Mar 11, 2009

    next time remove the bed 8 bolts 4 per side unhook lights get a friend to help you lift off the bed it is about 200lbs.you will get right to the pump then

  • mike loshbough
    mike loshbough Mar 11, 2009

    did your take the clamp off the filler neck and then twist the hose loose?

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Put a flor jack under the tank, then unhook the fill tube thats prob whats holding the tank up

Posted on Mar 11, 2009

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Http://www.2carpros.com/kpages/auto_repair_manuals.htm

Posted on Mar 10, 2009

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  • mohammed marika thambi
    mohammed marika thambi Mar 10, 2009

    www.2carpros.com/forum/chevy-express-repair-question-vf106.html

  • mohammed marika thambi
    mohammed marika thambi Mar 10, 2009

    you must relieve the pressure in your fuel system. A fuel
    injection system operates under very high pressure. If you don't
    release this pressure before you start unscrewing fuel lines the result
    can be explosive. Do this before you attempt to change the fuel filter.
    To release the pressure in your fuel lines (and fuel filter) you'll need to locate the fuel pump fuse in the fuse box.
    If you don't have a fuel pump fuse, find the relay that operates the
    fuel pump. Once you've found the fuel pump fuse or relay, start the
    car. With the engine running, pull the fuse or relay out. If you pulled
    the right one, the engine will quickly die. Since it's using all of the
    pressurized fuel in the system, the fuel lines won't be pressurized
    when you crack the fittings on your fuel filter.


  • mohammed marika thambi
    mohammed marika thambi Mar 10, 2009


    1. Depressurize fuel system by cranking the engine for a minimum of 15
      seconds with the fuel pump fuse removed, or by using a fuel pressure
      gauge.

    2. Disconnect the negative battery cable.

    3. Remove fuel from fuel tank by pumping out through filler neck using suction hose.

    4. Support fuel tank and remove fuel tank support straps.
      Lower fuel tank partially and remove fuel lines, electrical connectors
      and vent lines from tank. Remove fuel tank.

    5. Remove any dirt that has accumulated around fuel pump
      attaching flange so that it will not enter fuel tank during removal and
      installation.

    6. Turn fuel pump locking ring counterclockwise using
      fuel tank sender wrench or lightly tap the locking ring around evenly
      around.

    7. Remove fuel pump and bracket assembly.

    8. Remove seal gasket and discard. Do not try to reuse the
      seal because as soon as it hits the air, it swells and it will never
      seal again.

    9. Carefully remove pump from it's mounting. Some pumps are held in with a small clamp or are placed inside a rubber mount.



  • mohammed marika thambi
    mohammed marika thambi Mar 10, 2009

    Unplug the wires from the fuel pump. Take note of which wires go where.
    Most pumps are "idiot proofed" but there are some that can be connected
    backwards. Also, some pumps have their wires soldered on. You will need
    to unsolder the old ones and solder the new ones on.


  • mohammed marika thambi
    mohammed marika thambi Mar 10, 2009

    http://autorepair.about.com/od/regularma...

  • mohammed marika thambi
    mohammed marika thambi Mar 10, 2009

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I have a 1992 Chevy - 073591f.jpg
2a85571.jpg
if you need further directions let me know

Posted on Mar 10, 2009

  • 8 more comments 
  • Roberta Smith
    Roberta Smith Mar 10, 2009

    that second diagram is of a dual tank system

  • Roberta Smith
    Roberta Smith Mar 10, 2009

    also ... support the tank and look at the top part and see if the sending unit is holding it up...

  • Roberta Smith
    Roberta Smith Mar 10, 2009


    1. Relieve the fuel system pressure.

    2. If removing a rear tank, remove the spare tire then remove the crossmember.

    3. Drain the fuel tank.

    4. Remove the fuel filler pipe and remove the tank shield, if equipped.

    5. Label and disconnect the EVAP lines and electrical connection from the fuel tank assembly.

    6. Disconnect the fuel line from the tank.

    7. Support the fuel tank using a suitable jack. Remove the strap bolts and the straps.

    8. Lower the tank halfway. Be sure the fill neck does not get hung up on the chassis harness. Detach the harness clip from the crossmember.

    9. Lower the tank enough so that the electrical connections are accessible. Detach the connections then fully lower the tank and remove it from under the vehicle.



    also make sure the battery is unhooked

  • Roberta Smith
    Roberta Smith Mar 10, 2009

    quick way is to remove the fuel pump relay and start it up... wait till it dies and the pressure is relieved... the relay is located in the fuse panel in the engine compartment near the battery.

  • Roberta Smith
    Roberta Smith Mar 10, 2009

    the other method is to locate what looks like a tire valve cap on the fuel rail (feeds gas to the injectors) remove the cap and you will see a tire valve.... press that and fuel will come out and that relieves the pressure.... big problem is you have abit of a fuel spill but not as likely to get raw fuel in your eyes... wear safety glasses... i'll look thru the information i have to see if there is another method.... the first i mentioned is used when you replace a fuel filter.... it's 2am here ... kinda forgot the motor wouldn't be running

  • Roberta Smith
    Roberta Smith Mar 10, 2009

    it's suggested you wrap a cloth around the valve as you relieve the pressure to soak up any fuel

  • Roberta Smith
    Roberta Smith Mar 10, 2009

    A Schrader valve is provided on these fuel systems, in order to conveniently test or release the system pressure. A fuel pressure gauge and adapter will be necessary to connect the gauge to the fitting. Most of the MFI systems utilize a service valve on one end of the fuel rail assembly. The CMFI system covered here uses a valve located on the inlet pipe fitting, immediately before it enters the CMFI assembly (towards the rear of the engine)


    1. Before servicing the vehicle, refer to the Precautions section.

    2. Turn the ignition OFF.

    3. Disconnect the negative battery cable.

    4. Loosen the fuel filler cap in order to relieve the fuel tank vapor pressure.

    5. Connect a fuel pressure gauge to the fuel pressure valve/fitting.

    6. Wrap a shop towel around the fitting while connecting the gauge in order to avoid spillage.

    7. Install the bleed hose of the gauge into an approved container.

    8. Open the valve on the gauge to bleed the system pressure

  • Roberta Smith
    Roberta Smith Mar 10, 2009

    please rate my solution if you feel it has helped you with your issue... thanks

  • Roberta Smith
    Roberta Smith Mar 10, 2009

    judging from your silence now... my solution did work... if you don't rate my solution, someone else will get paid for their advice that was less then helpful to you. thanks

  • Roberta Smith
    Roberta Smith Mar 11, 2009

    Carburator... i presume you mean the throttle body. if you look you will see two pipes running along the valve covers... where they join you will see a valve that looks alot like the cover you put on the valve stems of your tires... remove that... that is the fuel relief valve.

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I hope it's not a full tank! You need to drop the tank to get pump out. Before you do try to look up on top of tank with a flashlight to see if all the lines are rusted. If so you may want to get a new sending unit as well in case the lines break off upon removal. At least you can spray some WD40 on them. You can also try to jump the pump by running 12 volts to the feed wire at the tank. Just be careful you don't make any sparks with fuel lines open!!

Posted on Mar 10, 2009

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Http://cgi.ebay.com/1992-GMC-Sierra-Truck-Suburban-Yukon-Shop-Manual_W0QQitemZ360137669929QQcmdZViewItemQQptZMotors_Manuals_Literature?hash=item360137669929&_trksid=p3286.c0.m14&_trkparms=72%3A1729%7C66%3A2%7C65%3A12%7C39%3A1%7C240%3A1318%7C301%3A1%7C293%3A1%7C294%3A50
If none of the solutions help you enough then nothing but a service manual will help you. It has the pictures and exact step by step instructions. I always purchase the factory service manual for my vehicle. This is what the dealerships use as reference to repair vehicles. It has everything. If you need further assistance let me know.
Thank you,
Lee

Posted on Mar 10, 2009

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Answer by one of the experts

Start with an almost empty fuel tank. a BIG help! This was done on a 99 burban. My 13yr old son and I did ours in about an hour total. Tools needed: Regular pliers. needle nose pliers or a pick type tool for retaining ring around the fuel pump. Floor Jack (heavy duty) size 15 metric socket, extension, and ratchet (or air ratchet) Flat head (standard) screw driver to disconnect the hoses from the fill tubes. ( where the gas station person fills up the tank). Fuel line Disconnect tool set (two little Plastic parts to remove fuel lines from pump) a MUST need item. Cant remove with out them. Napa part number BK.700-1932 around $10. Then you will need a partner or helper. With the vehicle on level ground, (not on ramps) and the park brake set, make sure you take the keys OUT of the ignition. (no radio on, you don't want power to the fuel pump)! You will need a metric size 15 socket for the two (2) bolts that hold the straps under the fuel tank. I used an air ratchet which was really nice. Put the Floor jack under the Center of the tank. lift jack until snug against the bottom of the tank. Remove the two bolts (one per strap) holding the tank straps up. Move straps to the side out of the way. Loosen the hose clamps on the fuel hoses coming from filler tube. Carefully pry hoses off from metal tubes. SLOWLY and I mean Slowly lay to the side of the tank, and have the HELPER lower the jack very SLOWLY. Then tank has been up there for awhile, so it might need to be coaxed away from the body of the truck. Lower the tank a little bit at a time until you can see the top of the tank. You might have to Squeeze yourself up in tight against the tank to see it. The reason I say very slowly is that the fuel lines are not long enough to lower the tank all the way to the ground. Once you can see the top of the fuel pump, you will have two electrical connectors to disconnect. Be very careful, they have clips on the side of one, and on top of the other. Then you can again, squeeze yourself to where you can get both arms up to assist in using the two plastic fuel line disconnect pieces. Two different colors, one is bigger than the other. Slide one tool onto one of the hoses going into the fuel pump. (You'll understand once your under the truck and looking at the top of the fuel pump). Then carefully remove each hose. After removing the hoses from the fuel pump, you will need a pair of pliers to remove the clip (Or just slide the clip back) from a vent hose. Now ALL hoses and connections should be disconnected. Now you can lower the tank all the way down and slide it off of the jack and pull the tank out from under the truck. Now take the needle nose pliers or punch, and remove the retaining ring from ontop of the fuel pump. Now you can pull the fuel pump out. You May need to pry up on the pump to get it out. put your new pump in, making sure that it is in correctly. there is a little notch that you need to look at the old pump before removing it. You'll see it. Now just reverse all the steps to putting it all back together. Good luck!!!

Thanks for using Fixya.

Posted on Mar 10, 2009

  • 4 more comments 
  • taran_2005
    taran_2005 Mar 10, 2009

    Than you need to purchase special tools that would be available in local stores around you and it would be under 10 bucks.



    Thanks for using Fixya.

  • taran_2005
    taran_2005 Mar 10, 2009

    And even if you honestly ask me, there is no need of that tool, because there are only bolts that you need to remove.



    So , if your fuel tank is stuck, just look from under, there might be a cloth or something that might have stucked.





    Thanks.

  • taran_2005
    taran_2005 Mar 10, 2009

    Hey,



    Use some kind of long, flat tool to slide under the tank to free it.

    Gary used a metal yardstick. You may have to **** the tank a bit to work the

    filler neck clear. Lift the tank out of the car, being careful to keep it level so fuel

    doesn’t spill out of the filler neck.....





    Thanks.

  • taran_2005
    taran_2005 Mar 10, 2009

    Download this file that i have. This would show the diagram how gary removed fuel tank and use of yardstick....



    http://www.efsowell.us/ed/jag/fuelingsys...



    Thanks.

  • taran_2005
    taran_2005 Mar 10, 2009

    This would work like anything.



    take care.

  • taran_2005
    taran_2005 Mar 11, 2009

    I believe he best way is to use yardstick or one of the experts already mentioned pry bar. You might get thousands of solutions but a basic answer is the best.



    Take care.

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This link will help...

http://www.automedia.com/Gas_Tank__Fuel_Line_Replacement/res20050301gt/1

let me know if you need more help... kevin

Posted on Mar 10, 2009

  • Legin Varghese
    Legin Varghese Mar 10, 2009

    Remove the two bolts (one per strap) holding the tank straps up. Move
    straps to the side out of the way. Loosen the hose clamps on the fuel
    hoses coming from filler tube. Carefully pry hoses off from metal tubes.

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There are rubber pads above the tank that sometimes tend to adhere the tank in place, pull down on the tank, be careful, it may turn loose all at once. the two carrier straps are all that hold the tank in place.

Good luck and please take the time to accept this solution and give it a fix ya rating.

If I can be of any more assistance, let me know.

clarkco

Posted on Mar 10, 2009

  • clarkco2002 Mar 10, 2009

    Re-attach the straps but don't tighten them...just use them to catch the tank, apply some down pressure. I usually pull down on the tank while attempting to twist it side to side. Make sure the straps are there to catch it or the fuel lines may get damaged, not to mention any one under it when it does turn loose.

    Please take the time to give this solution a fix ya rating

    clarkco


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May I suggest a repair manual? It should include everything.

92,93,94,95,96,97 Chevy Suburban Haynes Repair Manual*

Posted on Mar 10, 2009

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