How to Siphon Petrol From a Car

Written by adam paul
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How to Siphon Petrol From a Car
Its easy to siphon petrol from a car (Hemera Technologies/ Images)

Every now and again, we find that the lawnmower, the snowblower or the motorbike has run out of gasoline (petrol). We could run to the petrol station and get 5 litres (1 gallon) of gasoline, or we could get some out of the car. Fortunately siphoning gasoline from the car is very easy to do when using the proper method for this procedure.

Skill level:

Things you need

  • 1.5 m (5-foot) clear hose
  • Empty gas container

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    Siphoning petrol from a car

  1. 1

    Remove the gas cap and insert the hose down into the gas tank. Blow into the hose, if you feel resistance or hear bubbling in the gasoline.

    How to Siphon Petrol From a Car
    Blow into the pipe (Chris Clinton/Photodisc/Getty Images)
  2. 2

    Place a container on ground with the cap off, ensuring that the container is lower than the vehicle's gas tank.

    How to Siphon Petrol From a Car
    Place a container below the petrol tank (Michael Blann/Digital Vision/Getty Images)
  3. 3

    Suck on the hose and watch for the gasoline to come into the line; when it reaches about 45 cm (18 inches) from your mouth, quickly remove the hose from your mouth and insert it into the container -- it should continue to flow.

    How to Siphon Petrol From a Car
    Suck on the hose until the petrol begins to run (David Woolley/Photodisc/Getty Images)
  4. 4

    To stop the flow, either pull the hose from the tank or lift the hose up above the gas filler and allow the line to empty back in.

    How to Siphon Petrol From a Car
    Pull the hose out to stop the flow (BananaStock/BananaStock/Getty Images)

Tips and warnings

  • There are commercially-made pumps available that siphon gasoline without the need to suck it out of the tank through a hose.
  • Gasoline is toxic; transferring gasoline in this manner may result is ingesting some, if care is not taken. Do not do this procedure, unless you are comfortable with it. If you ingest gasoline, contact the poison control centre immediately.

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