PROCEDURE
CHECK CANISTER (FUEL TANK VENT TUBE ASSEMBLY)
Visually check the canister (fuel tank vent tube assembly).
Visually check the canister (fuel tank vent tube assembly) for cracks or damage.
If cracks or damage are found, replace the canister (fuel tank vent tube assembly).
Inspect the airflow of the canister (fuel tank vent tube assembly).
| *a | Port (A) |
| *b | Port (B) |
| *c | Port (C) |
| *d | Air |
Close the port (B) and check that air flows from the port (C) when air is blown into the port (A).
| OK |
|---|
| The air flows out from the port (C). |
Inspect the check valve.
| *a | Port (A) |
| *b | Port (B) |
| *c | Port (C) |
| *d | Air |
Close the port (C) and check that air flows from the port (B) when air is blown into the port (A).
| OK |
|---|
| The air flows out from the port (B). |
| *a | Port (A) |
| *b | Port (C) |
| *c | Vacuum Pump |
Using a vacuum pump, apply vacuum to the port (A) with the port (C) closed.
| OK |
|---|
| Air does not flow. |