Diagnostic Procedure
- This check requires fuel sender and "O" ring to be installed.
- Disconnect battery cables.
- Drain fuel tank.
- Remove fuel tank.
- Cap fuel feed tube and fuel return tube on fuel sender.
- Connect a piece of hose to filler tube nipple and plug opposite end.
- Submerge tank in water or apply a soap solution to outside of tank.
- Apply 5 psi (35 kPa) of air pressure to vent hose of fuel tank. A leak will show up as bubbles.
WARNING:
Place a dry chemical (Class B) fire extinguisher near area before performing a Fuel Tank Leak Check. Before removing fuel tank for a suspected leak, make sure fuel pipes or tubes are not leaking onto tank. Once removed, make sure fuel is not leaking around fuel sender "O" ring. Failure to follow these precautions may result in personal injury.
WARNING:
Before servicing any electrical component, ignition key must be in OFF or LOCK position and all electrical loads must be OFF, unless instructed otherwise in these procedures. If a tool or equipment could easily come in contact with a live exposed electrical terminal, also disconnect negative battery cable. Failure to follow these precautions may cause personal injury and/or damage to vehicle or its components.