Fuel Tank Leak Test
Diagnostic Instructions
Circuit/System Testing
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Warning:
Place a dry chemical (Class B) fire extinguisher
near the area before performing a Fuel Tank Leak Check. Before
removing the fuel tank for a suspected leak, make sure that the
fuel pipes or the tubes are not leaking onto the tank. Once
removed, make sure that the fuel is not leaking around the fuel
sender O-ring. Failure to follow these precautions may result in
personal injury. |
3. |
Plug the fuel feed hose, the
fuel limiter vent valve hose, and the fuel tank vent valve hose on
the fuel tank. |
4. |
Plug the fuel filler neck
opening. |
5. |
Connect a piece of the hose to
the breather hose nipple on the fuel tank and secure the hose with
one clamp. |
6. |
Submerge the fuel tank in
water or apply a soapy solution to the outside of the tank.
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7. |
Apply 7-15 kPa (1-2 PSI) air
pressure to the breather hose. |
8. |
Air bubbles appearing from the
fuel tank indicate a leak. |
⇒ |
If the fuel tank is leaking, replace the fuel
tank. |
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