Fuel Tank: Testing and Inspection

CAUTION:
- Before attempting "Fuel Tank Leak Check", place a dry chemical (Class B) fire extinguisher near work area.
- Before removing the fuel tank for a suspected leak, make sure fuel lines are not leaking onto the tank. Once removed, make sure fuel is not leaking around fuel level meter assembly O-ring.
- This check requires a fuel level meter assemble and a O-ring to he installed in the fuel tank.

1. Relieve fuel system pressure. Refer to Fuel System / Service and Repair.
2. Remove fuel tank.
3. Plug all outlets as follows:

a. Install filler neck and vent hoses, upper neck assembly and install filler cap.
b. Install fuel tank sender with seal and plug fuel lines.
c. Install a short piece of fuel line on fuel tank meter vent tube.

4. Apply air pressure to tank through vent tube. When air can be heard escaping from filler neck cap. Approximately 7 to 10 kPa (1 to 1.3 psi), pinch the fuel line hose to retain pressure.
5. Test suspect area for leaks with soap solution or by submersion. If leak is noted, replace tank.