Fulltext TSBs

Technical Service Bulletins

TSB
03-21-8
  • WATER IN FUEL LAMP – LAMP ILLUMINATED CONSTANTLY – FUEL DOES NOT DRAIN WHEN FUEL DRAIN VALVE IS OPENED – VEHICLES WITH 7.3L DI TURBO – SERVICE TIP
  • FUEL – FUEL DOES NOT DRAIN OR DRAINS SLOWLY WHEN FUEL DRAIN VALVE IS OPENED – WATER-IN-FUEL LAMP ON – VEHICLES WITH 7.3L DI TURBO – SERVICE TIP
Publication Date: October 6, 2003

FORD:
1994-1996 F SUPER DUTY, F-250, F-350
1995-1996 ECONOLINE

Article 95-25-12 is being republished in its entirety as part of a consolidated 7.3L diagnostic aid booklet.

ISSUE:

The water-in-fuel lamp may stay on and the fuel may be slow to drain or not drain at all when the fuel drain valve is opened. This may be due to internal pressure within the filter housing.

ACTION:

Refer to the following Service Procedure to relieve pressure from the fuel system and allow the fuel to be drained from the housing.

SERVICE PROCEDURE

  1. Follow the procedure in the 1996 Service Manual for Fuel Filter, Fuel Heater, Water Separator and Draining.
  2. If the fuel is slow draining or does not drain at all, use a screwdriver or equivalent to open the filter lid one (1) turn to vent the housing and allow the fuel to drain.
  3. After draining the water separator, make sure the lid is retightened and the valve is fully closed and secure.

OTHER APPLICABLE ARTICLES:

NONE

SUPERSEDES:

95-25-12

WARRANTY STATUS:

Information Only