B2500 SE Regular Cab 2WD L4-2.5L VIN C (1998)
Fuel Pressure Release: Service and Repair
1. Remove the Schrader valve cap and attach the SST 49 UN01 010 (Fuel Pressure Gauge).
CAUTION: Open the manual valve slowly to relieve the system pressure. This will drain some fuel out of the system. Place fuel in a suitable
container.
2. Open the manual valve on the SST and relieve the fuel pressure.