2500 4x2 Pickup V8-5.9L VIN Z (1994)
Fuel Tank Pressure Release Valve: Service and Repair
CAUTION: The fuel system remains pressurized after engine has been shut off. Release system pressure prior to opening system.
WARNING: Gasoline is extremely volatile, when servicing fuel systems always wear eye protection, keep open flame away from fuel system
components, and prohibit smoking in service areas.
NOTE: Wrap shop towels around fuel hoses to absorb any fuel that spills during fuel tank replacement.
Pressure Relief/Rollover Valve Removal
REMOVAL
1.
Release fuel system pressure.
2.
Fuel tank must be removed from vehicle prior to service.
3.
Slide the blade of a screwdriver between the rubber mounting grommet and the fuel pump module, making sure not to slide the screwdriver
between the roll-over valve and grommet. Use a second screwdriver to brace the first and pry the roll-over valve out of the tank.
4.
Remove the grommet from the valve, and make sure there is no damage or wear evident on the grommet. If grommet is worn it must be replaced.
INSTALLATION
1.
Install the rubber grommet into the fuel tank, and seat it around the curled lip of the fuel pump module.
2.
Lubricate the grommet with power steering fluid, and push roll-over valve into grommet until properly seated. Twist grommet if necessary to align
to correct position.
3.
Install fuel tank.
4.
Perform fuel system pressure test to check for leaks.
