3500 4x4 Pickup L6-359 5.9L DSL Turbo (1996)
Special Tool Installation
4. Install and tighten special adapter tool 6829 into the top of the fuel inlet line.
5. Install a 0-60 or 0-100 psi fuel pressure gauge to adapter tool 6829.
6. Start engine and record fuel pressure. Minimum pressure should be 172 kPa (25 psi). See: Fuel Pump/Testing and Inspection
7. Remove fuel pressure gauge and adapter tool.
8. Connect banjo fittings together at fuel inlet line with bolt.
9. Remove the front banjo fitting bolt at the outlet line.
Installing Tools
10. Install and tighten special adapter tool 6829 into the top of the fuel outlet line.
11. Install fuel pressure gauge to adapter tool 6829.
12. Start engine and record fuel pressure.
13. Compare the 2 pressures. It must not exceed 35 kPa (5 psi).
If pressure specification has been exceeded, replace fuel filter and check for line restrictions.
If the instrument panel mounted water-in-fuel warning lamp is illuminated with the ignition key ON, it indicates that excess water has collected in the
fuel filter/water separator. Excess water can be drained. See Service and Repair/Draining Water From Filter.
If excess water gathers in the filter/separator in a short period of time, the fuel tank must be removed, drained and cleaned.
