B2500 SX Regular Cab 2WD L4-2.5L VIN C (1999)
Fuel Pressure Release: Service and Repair
1. Remove the Shrader valve cap and attach Fuel Pressure Gauge SST 49 UN01 010.
NOTE: Open the manual valve slowly to relieve the system pressure. This may drain fuel from the system. Place fuel in a suitable container.
2. Open the manual valve on SST UN01 010 and relieve the fuel pressure. This will drain some fuel out of the system. Place fuel in a suitable
container.