Question about Briggs and Stratton 073001 2" Portable Gas Powered 5.5 HP Water Pump

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Does the gas tank need to be high on the motor or can it **** from a lower source?

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Your water pump is gravity feed type, however you can add a vacuum/pressure pulse type pump. Look here :

This is just an example, there are many styles and capacities of pulse pump. Look on ebay. You will need to be creative and find an way to tap into the crankcase system. Some engines that use pulse pump will get vacuum / pressure from the valve cover area. The pump works with the natural pressure / vacuum created in the crankcase by piston movement. Good luck

Posted on Oct 08, 2010


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I need to drop the fuel tank in my 02 Mitsubishi Diamante what is the best route to take to do so

I don't know the precise method of removal but I advise you to put safety first.

Disconnect the battery. Use only inspection lights that are incapable of being a source of ignition. The wrong choice of lighting is the most common cause of garage fires.

Ensure there are no sources of ignition and no smoking in the vicinity and the work space is well ventilated.

Before beginning ensure the fuel tank is empty or close to empty so it is light enough to handle without liquid swilling around inside making it over-balance.

Ensure all the nuts, bolts and other fixings will remove easily when the time comes. If the top of the tank is accessible from inside the car to remove the pipes and wires, this is the next stage.

If the tank must be partially lowered to access the pipes and wires whatever is likely to hamper the process must be removed or disconnected and pushed aside. Generally the filler must be released next and the tank supported on a jack or a stand while the straps or fastenings are released so the tank can be lowered far enough to remove pipes and wires as required.

Plastic tanks can be a problem and as they age the problem gets bigger. The fuel pump and gauge sender is often retained by a large plastic screw ring like a large jar top.

Speed is essential when dealing with these. If the pump and gauge unit is to be replaced get it out as quickly as possible and screw the ring back on.

Failure to do this could mean the tank needs replacing. The screwed neck is apt to grow when the ring is removed and delay could mean the ring will never screw down again...

Mar 06, 2016 | Mitsubishi Cars & Trucks

1 Answer

Air compressor

Usually, motor will draw lower amperage when tank is empty then draw most when about full. High amp draw is caused by long cord, weak capacitor, leaking check valve or blown head gasket/s. If gaskets are bad, the head of the compressor will be very hot and take much longer to fill. If the motor (is too small) is not correctly matched to the pump, the motor will draw max amps. To correct motor to small, use a smaller pulley at the motor. Using a smaller pulley will turn the pump less rpm giving the motor a break lowering amp draw. Good luck

Mar 24, 2014 | Ingersoll Rand Air Tools & Compressors

1 Answer

Drop fuel tank gas

best to empty the tank first as a tank full of fuel is difficult to control. any lines from the tank that are lower than the unit and tank will siphon out the fuel so you will need to block off these lines. Make sure that there are not ignition sources any where around (including cigarettes) as there will be no second chances after the tank is opened.

May 18, 2013 | 1987 Ford Merkur XR4Ti

1 Answer

Need to get the gas out of my tank in my 1998 chevy venture van can you tell me the easiest way the head is cracked in my motor so i am junking it but i have a full tank of gas

bring tank down or jack car up high enough to put a bucket underneath and punture a hole in the tank .....remember no smoking whatsoever

Dec 22, 2010 | 1998 Chevrolet Venture Cargo

1 Answer

How do I replace the Fuel Pump?

The fuel pump is located in your fuel have to drop your fuel tank to replace it...before you do so you will have to sifion [sp] most of the gas out as gas is heavy...when you get out all you can leave the gas cap off and remove the bolts holding the filler neck in place...Then jack up vehicle and place on jack stands....Remove battery ground cable,go under and remove sheild covering fuel tank,while there remove the ground strap attached to the filler neck...Once the cover is off this will expose the 2 tank holding this point you will need a jack or holding and lowering devise to support the gas tank..... make sure it is supported well before you loosen the strap bolts!!!! disconnect the EVap hose from canister it runs to tank then remove the strap bolts ...move them aside and lower the tank enough to expose the top where the fuel lines are disconnect them and the electrical connector,ground ...then lower gas tank slowly checking nothing is still hooked to it ...After the tank is down remove it from under vehicle and use a BRASS punch or piece of wood not a regular metal punch to remove the pump retaining ring ...once ring is removed CAREFULLY remove the pump from the tank.....replace pump and new strainer... Then Carefully put the pump back in the tank...if needed replace the ring seal before you place the pump back in...tighten up the retaining ring ....take back to car and put on supporting devise and lift just high enough to reattach all your connectors...then jack up the rest off the way attach holdings straps ,cover,ground ******** filler neck,filler neck bolts,battery cable install gas cap and start hopfully

Nov 09, 2010 | 2001 Chevrolet Impala

1 Answer

Fuel pump insalllation

Instructions Things You'll Need:
  • Jack
  • Safety stands
  • Wrench
  • Socket wrench
  • Pliers
  • Screwdriver
  1. 1 Jack up the car and support it with safety stands. Be sure the car is high enough to get the tank out from underneath the car. You could use a car lift instead. If you use a lift, you will need an automatic transmission jack or a second person to help you lower the tank to the ground.
  2. 2 Unclamp and remove the filler and vent hoses from the gas tank. Most are held on with aero type hose clamps. Unplug any wiring to the fuel pump and sensors. Using wrenches or pliers, remove the fuel lines at the pump. You might need to lower the tank one to two feet to remove the lines and wires.
  3. 3 Support the gas tank with the jack. Use socket wrenches to unbolt the gas tank straps. Remove or reposition the straps out of the way of the tank. Lower the tank some and check to make sure all lines, hoses and wires have been removed. Continue lowering the tank and place it on the ground.
  4. 4 Clean the tank area around the fuel pump assembly of all dirt and debris. Release the pump assembly retainer. This may held to the tank with a clamp, a slip ring or screw nuts. Remove the pump assembly from the tank. Drain any liquid fuel from the assembly and place on a work bench.
  5. 5 Remove the pump from the assembly and discard or replace the entire assembly. Some pumps can only be replaced as a unit. If you can replace just the pump be sure to install the new sock filter that comes with the pump.
  6. 6 Return the repaired pump assembly to the tank. Use new gaskets or O-rings if supplied. Secure it into the tank with the retainer.
  7. 7 Place the gas tank back onto the jack and raise it to the car. Reinstall the fuel lines, hoses and wiring. Continue raising into its cavity on the body. Secure the tank with the gas tank straps and tighten with a socket wrench.
  8. 8 Reinstall the filler and vent hoses. Tighten the clamps. It is a good idea to also replace the fuel filter at this time. Lower the car to the ground. Test for leaks and repair any found.

Oct 30, 2010 | 2001 Cadillac DeVille

3 Answers

I'm told my dad's car 1994 pontiac grand am needs a new fuel pump. where is it located? under the back seat or within the gas tank?

Hi, the fuel pump is located in the fuel tank and to get to it you have to lower the fuel tank from the car, make sure you have used all the fuel up as it will be to heavy to handle if the fuel is left in it,
you need to make sure the car is high enough off the floor to get the fuel tank lowered enough to get the tank lowered.

if your doing this yourself then make sure you have some good axle stands to put the car on before you do any work under neath,

check under the back seat to see if their is an access panel to the tank but im pretty sure their isnt check first just in case im wrong but from what i remember you need to lower the tank down to get to the pump.

Aug 16, 2010 | 1994 Pontiac Grand Am

1 Answer

Gas gaudge goes up and down

Had same issue with 1994. The problem is the sender that is part of the fuel pump in the gas tank. Pretty expensive repair, we just watched miles between changes for the final years of life. Replacement pump can be had for under $100 but labor is pretty high since the tank needs to be lowered.

Good Luck.

Dec 14, 2009 | 1995 Dodge Caravan

3 Answers


It will almost certainly be inside the gas tank. Pick up a Haynes manual, you'll be glad you did as this is not a simple job. You'll have to drain the fuel tank at least most of the way, lower it, remove the pump sending unit from the top of the tank, replace it and put it all back together.

Jun 19, 2009 | 1999 GMC Yukon

1 Answer

Not pumping up to capacity, motor and compressor working fine,

If your pump is shutting off before it reaches it's max psi. then you need to adjust you switch. Under the black case there are two adjustment screws. One is the high\low adjustment, the other is high pressure cut off.
The first will change when the pump turns on and off for your low psi setting and the high setting simultaneously.
The second will allow you to raise or lower just the high setting. There should be a diagram under the black cap to show which is which. Adjust the high side only and just a 1\4 turn then run the compressor and see if that takes care of the high setting.

May 29, 2009 | Northern Industrial 2 Hp Twin Tank...

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