Magnum V8-5.7L VIN 2 (2007)
Fuel Line Coupler: Service and Repair
STANDARD PROCEDURE - QUICK-CONNECT FITTINGS
REMOVAL
When disconnecting a quick-connect fitting, the retainer will remain on the fuel tube nipple.
WARNING: Release fuel system pressure before disconnecting a quick-connect fittings. Refer to the fuel pressure release procedure. This may
result in personal injury or death.
1. Perform Fuel Pressure Release Procedure. Refer to the Fuel Pressure Release Procedure.
2. Disconnect negative cable from battery or auxiliary jumper terminal.
3. Squeeze retainer tabs together and pull fuel tube/quick-connect fitting assembly off of fuel tube nipple. The retainer will remain on fuel tube.
INSTALLATION
CAUTION: Make sure that the O-ring in installed in fitting. Never install a quick-connect fitting without the retainer being either on the fuel
tube or already in the quick-connect fitting. In either case, ensure the retainer locks securely into the quick-connect fitting by firmly
push-pulling-push on fuel tube and fitting to ensure it is secured.
1. Using a clean lint free cloth, clean the fuel tube nipple and retainer.
2. Prior to connecting the fitting to the fuel tube, coat the fuel tube nipple with clean engine oil.
3. Push the quick-connect fitting over the fuel tube until the retainer seats and a click is heard.
4. The plastic quick-connect fitting has windows in the sides of the casing. When the fitting completely attaches to the fuel tube, the retainer locking
ears and the fuel tube shoulder are visible in the windows. If they are not visible, the retainer was not properly installed. Do not rely upon the
audible click to confirm a secure connection.
5. Connect negative cable to battery or auxiliary jumper terminal.
CAUTION: When using the ASD Fuel System Test, the Auto Shutdown (ASD) Relay remains energized for several minutes, until the test
is stopped, or until the ignition switch is turned to the Off position.
6. Use the DRB III(R) scan tool ASD Fuel System Test to pressurize the fuel system. Check for leaks.
Single-Button Type Fitting
1. This type of fitting is equipped with a single push-button located on the quick-connect fitting. The push-button is attached to two internal latches.
To disconnect, press on button with your thumb and unlatch fitting from fuel line. Special tools are not required for disconnection. DO NOT
ATTEMPT TO PRY OR PULL UP ON PUSH-BUTTON. LATCHES WILL BE BROKEN.