Refueling Control Valve: Testing and Inspection

WARNING:
When conducting inspections below, be sure to observe the following:
- Put a "CAUTION: INFLAMMABLE" sign in workshop.
- Do not smoke while servicing fuel system. Keep open flames and sparks away from work area.
- Be sure to furnish the workshop with a CO2 fire extinguisher.

CAUTION:
Before removing fuel line parts, carry out the following procedures:
a. Put drained fuel in an explosion-proof container and put lid on securely.
b. Release fuel pressure from fuel line. Refer to "Fuel Pressure Release".
c. Disconnect battery ground cable.
- Always replace O-ring when the fuel gauge retainer is removed.
- Do not kink or twist hose and tube when they are installed.
- Do not tighten hose and clamps excessively to avoid damaging hoses.
- After installation, run engine and check for fuel leaks at connection.

COMP0NENT INSPECTION




Refueling Control Valve
Check refueling control valve as follows:
1. Check visually for cracks in the appearance.
2. Check air continuity between port A and B.
Blow air into the port A. Air should flow freely through port B.
3. Blow air into port C and check there is no leakage.
4. Apply pressure to both port A and C [20 kPa (150 mmHg, 5.91 mmHg)] and check there is no leakage from port B.
If NG, replace refueling valve.