Grand Cherokee 4WD L6-242 4.0L VIN S MFI (1993)
Fuel Return Line: Service and Repair
With Retainer Ring Type Fittings
NOTE: Plastic ring type quick connect fittings are not serviced separately. Do not attempt to repair damaged quick connect fittings or tubes. Replace
complete fuel tube/quick connect fitting assembly.
Fuel Line Quick Connect Fitting
Fuel Line Quick Connect Fitting
REMOVAL
1. Disconnect negative battery cable.
2. Perform fuel pressure release procedure.
3. Push the quick connect fitting toward the fuel tube while depressing the plastic retainer. Then slightly twist the fitting and pull fitting off of fuel
tube. The retainer will remain on the fitting.
INSTALLATION
1. Using a clean lint free cloth, clean fuel tube nipple and retainer.
2. Using a clean motor oil, lightly lube nipple and retainer.
CAUTION: Never install quick connect fitting if retainer ring is damaged or stuck in the release position.