Fuel Tank Leak Test
Fuel Tank Leak Test |
Diagnostic Instructions |
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Perform the
Diagnostic System Check - Vehicle
prior to using this diagnostic procedure.
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Review
Strategy Based Diagnosis
for an overview of the diagnostic approach.
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Diagnostic Procedure Instructions
provides an overview of each diagnostic category.
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System Testing |
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1. |
Remove the fuel tank. Refer to
Fuel Tank Replacement (AWD)
Fuel Tank Replacement (FWD)
.
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2. |
Remove the evaporative emission (EVAP) canister. Refer to
Evaporative Emission Canister Replacement (AWD)
Evaporative Emission Canister Replacement (FWD)
.
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3. |
Plug the fuel feed pipe and the EVAP pipes on the fuel tank.
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4. |
Plug the fuel filler neck opening.
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5. |
Submerge the fuel tank in water or apply a soapy solution to the outside of the tank.
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6. |
Apply 7-15 kPa (1-2 psi) air pressure to the fuel tank vent pipe.
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7. |
Air bubbles appearing from the fuel tank indicate a leak.
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8. |
Replace the fuel tank if the tank is leaking.
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Repair Instructions |
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
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Fuel Tank Replacement (AWD)
Fuel Tank Replacement (FWD)
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Fuel Tank Filler Pipe Replacement (AWD)
Fuel Tank Filler Pipe Replacement (FWD)
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Fuel Tank Fuel Pump Module Replacement (AWD)
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