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How to drain your fuel without removing tank - 2002 Chevrolet Tahoe

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  • Chevrolet Master
  • 5,252 Answers

Try lowering the tank enough to get the filler hose off, then you can get a siphon hose into the filler opening.

Or, you could open the fuel line at the filter, then jumper the fuel pump relay terminals. Pump will turn on and push gas out the line. Careful to get your jumper wire into the right terminals. You can damage the computer if you put voltage into the wrong terminal. The relay will have one hot at all times terminal- find that with a test light. Then you will jump the hot terminal to the terminal that has the fuel pump wire going to the gas tank. The relay should have terminal descriptions on it. The jumper wire goes with the two power side terminals, not with the coil side of relay. Post back if that's not clear.

Posted on Nov 20, 2013

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Posted on Jan 02, 2017

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2 Answers

Replacing fuel pump on 2003 Suzuki Aerio 2.0L 4 Cyl. DOHC


If you are able to drop the fuel tank without disconnecting any other components (brake lines, suspension and exhaust), and remove the fuel pump, the answer is yes.

Best to drain the fuel from tank to make it lighter when dropping down enough to clear the pump.

Dec 22, 2016 | 2003 Suzuki Aerio

1 Answer

How To Drain Fuel Tank On 2005 Jeep Liberty Gas Tank


here is the Cherokee page.
read chapter, 14, page 19 on..
shows all way there, and is not easy.
why do this.
is pressure low
pump dead
is there 12vdc to pump cranking, (no? then dont do this)

http://www.jeep4x4center.com/knowledge-base/index.htm?utm_source=cj#service

i have the KJ pages here. (line # messed up)
Two different procedures may be used to drain fuel
tank: through the fuel fill fitting on tank, or using a
scan tool.
The quickest draining procedure involves removing
the rubber fuel fill hose (7) (Fig. 25) from fuel tank
fitting.
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, fuel must be
drained through fuel fill fitting at tank. Refer to following
procedures.
(1) Release fuel system pressure.
(2) Raise vehicle.
(3) If equipped, remove fuel tank skid plate.
(4) Thoroughly clean area around fuel fill fitting
(6) (Fig. 26) and rubber fuel fill hose (1) at side of
fuel tank. After cleaning, loosen fuel fill hose clamp
(2) at tank.
(5) Before removing rubber hose (1) (Fig. 26) from
fitting, note hose orientation while referring to marks
(3) and (4).
6) Disconnect rubber fuel fill hose at fuel tank fitting
(2) (Fig. 27). Using an approved gas holding
tank, drain fuel tank through this fitting.
Tank Removal
(1) If equipped, remove fuel tank skid plate and
tow hooks. Certain equipment packages will also
require removal of the trailer hitch. Refer to Tow
Hooks, Trailer Hitch or Skid Plate in 23, Body for
removal/installation procedures.
(2) Disconnect and separate fresh air tube (6) (Fig.
28) quick-connect fitting.
(3) Disconnect air tubes at front of NVLD pump
(9) (Fig. 28).
(4) Disconnect NVLD pump (9) (Fig. 28) electrical
connector.
(5) Disconnect fuel pump module electrical connector
jumper. This is located near front of fuel tank.
(6) Support tank with a hydraulic jack.
(7) Remove 4 fuel tank strap bolts (10) (Fig. 28) (2
at front of tank; 2 at rear of tank), and remove both
tank support straps.
(8) Carefully lower tank a few inches.
(9) Continue lowering tank while guiding remaining
hoses and lines through plastic isolator sleeve (3)
(Fig. 29).
(10) If fuel tank is to be replaced, remove NVLD
pump and fuel pump module from tank. Refer to
Fuel Pump Module Removal/Installation procedures.
end , tank out.

why not login to alldata.com and read
or buy the FSM,, and get all pages of chapter 14, end to end.

Oct 19, 2015 | 2005 Jeep Liberty

1 Answer

Need to drain fuel tank


Okay, this is going to sound a bit different but it works. It is simple and will remove most of the gasoline with the least effort.

Go online and look up the fuel pump Relay and "jumping" this Relay for your year and model car. I did this for my 2002 Grand Marquis and removed about 16 gallons in about 15 minutes. Remove the fuel pump Relay and put a decent gauge wire in the #27 and #34 terminals in the Powerbox only when you want to pump out the gas. Verify these 2 terminals with the article about jumping a Relay. This will cause the fuel pump to run continuously, use only when ready.

You will need a Tire valve stem removal tool and a length of rubber fuel line(4-5 feet) about 1/4 to 5/16 inner diameter. On the Drivers side of the fuel rail there is a test port. It has a valve similar to a tire stem. Remove the valve core. Insert the fuel line over this test port and secure with a small hose clamp.

Have a fuel container ready to pump fuel into. In a well ventilated area you are now ready to pump fuel.

Since the fuel tank has baffles there is little way to drain the tank without dropping the tank and turning in a way to allow for the fuel to run out.

Even disconnecting the disposable fuel filter is not without complications and you would still need to trigger the fuel pump. So for the expense of rubber hose and a valve stem tool the above method is easier.

Dec 27, 2013 | 2002 Ford Crown Victoria

1 Answer

Replacingn Fuel Sending Unit


If you have access to it without removing the fuel tank, there is no reason to drain the tank. Just relieve the pressure. Have rags handy when the lines are pulled apart to catch fuel drips. Clean the area well around the pump assembly to tank mounting hole. Use an air compressor if available, or just make sure no dirt falls into the tank after the pump is removed.

May 16, 2013 | Cars & Trucks

1 Answer

How do you drain the fuel tank


You can't do it without removing the fuel tank from the van

Jul 27, 2012 | 2006 Buick Rendezvous

1 Answer

Can fuel pump be put in without dropping the tank.


Removal & Installation To Remove:
  1. Properly relieve the fuel system pressure.
  2. Drain the fuel tank through the filler pipe.
  3. Support the fuel tank.
  4. Remove or disconnect the following:
    • Negative battery cable
    • Filler neck
    • Shield and tank straps
    • Fuel lines and vapor hose from pump and tank
    • Electrical connection from fuel pump
    • Fuel tank
    • Fuel pump/sending unit assembly by turning the locking ring (located on top of the fuel tank) counterclockwise using a spanner wrench
    • Fuel pump from the fuel lever sending device
To Install:
  1. Install or connect the following:
    • Fuel pump in tank with new seal around opening
    • Tank and connect fuel lines and vapor hose
    • Tank to the frame
      1. Torque to: 33 ft. lbs. (45 Nm)
    • Shield
    • Fuel filler neck and clamp
    • Negative battery cable
  2. Refill the tank.
  3. Run the engine and check for leaks.
View of the in-tank fuel pump assembly. 7924jg21.gif

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Oct 09, 2010 | 1999 GMC Jimmy

1 Answer

HOW TO TAKE A FUEL PUMP OUT A 2001 ISUZU TROOPER


REMOVAL PROCEDURE

  1. Disconnect the negative battery cable.
  2. Drain all the fuel from the tank.
  3. Install and tighten the drain plug. Tighten Tighten the drain plug to 20 N.m (14 lb ft.) .
  4. Remove the fuel tank.
  5. Remove the retaining screws from the fuel tank.
  6. Remove the fuel pump assembly from the fuel tank.
    1. Cover the fuel pump opening in order to prevent dust, dirt, or debris from entering the fuel tank.
    INSTALLATION PROCEDURE

    1. Install the fuel pump assembly. Tighten Tighten the fuel pump assembly mounting bolts to 3 N.m (27 lb ft.) .
    2. Install the fuel pump assembly retaining screws.
    3. Install the fuel tank assembly.
    4. Fill the tank with fuel.
    5. Tighten the fuel filler cap.
      1. Connect the negative battery cable.
      REMOVAL PROCEDURE # 2
      REMOVAL

      CAUTION: When repair to the fuel system has been completed, start engine and check the fuel system for loose connection or leakage. For the fuel system diagnosis, see Computers and Control Systems/System Diagnosis.

      1. Disconnect battery ground cable.
      2. Loosen fuel filler cap.
      3. Drain fuel. Tighten drain plug to the specified torque after draining fuel. Torque: 20 N.m (14 lb ft) - M8
      4. Remove fuel tank assembly (1).
      5. Remove fuel pump (FP) assembly (2) fixing screws and remove the FP assembly.
      NOTE: After removing FP, cover fuel tank to prevent any dust entering.
      INSTALLATION
      1. Install FP assembly (2).
      2. Install fuel tank assembly (1).
      3. Fill the tank with fuel and tighten fuel filler cap.
      4. Connect battery ground cable.

Oct 18, 2009 | 2001 Isuzu Trooper

1 Answer

Water in the fuel tank wrangler 97


Sorry the isn't a drain plug on the fuel tank. Try this go to walmart or home depot and buy a kerosene can hand pump plastic cost $3 to $6 remove the hose coming from refill to tank cut off a piece of old water hose approx.5ft insert into tank from opening insert hard plastic portion of hand pump into water hose have something large enough to contain the fuel and start pumping open valve on pump to release pressure may have to pump several times to get it flowing good do not try to **** on hose pump will work once all gone reconnect hose and refill fuel with one bottle of Lucas fuel treatment and one bottle of Marvel Mistery Oil drive it all out refill fuel again with one last bottle of Lucas fuel treatment. wutxtye0rjd9d9ekmodqt1eoxkvn9hr9qjz1l3dabggyud7sdgr36czsrfxqenadhnijx9nfayi+sz1sug0aaaaasuvork5cyii=

Apr 22, 2009 | 1995 Jeep Wrangler

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

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