C 1500 Truck 2WD V8-393 6.5L DSL Turbo (1994)
2.
Disconnect six pin harness connector from the optical sensor at fuel injection pump.
3.
Connect electronic filter harness (2a) to six pin harness connector (3).
4.
Connect electronic filter harness (2b) to optical sensor at fuel injection pump (1).
NOTICE:
The electronic filter harness wires will have to be twisted and bent to a 90 degree angle for proper fit.
5.
Install engine cover, if equipped.
Two Stage Housing Pressure Regulator
1.
Loosen fuel tank cap to release any pressure.
2.
Remove engine cover, if equipped.
NOTE:
Clean fuel hose connections and surrounding areas before disconnecting any fuel lines to avoid possible contamination of the fuel system.
3.
Remove fuel return hose (1) from return fitting (2) at front of fuel injection pump.
4.
Remove return fitting (2) with 0-ring from front of fuel injection pump.
5.
Lubricate 0-ring on the two stage housing pressure regulator with clean engine oil.
NOTE:
Do not install any thread sealer on the two stage housing pressure regulator.
6.
Install two stage housing pressure regulator (part of service kit) where return fitting (2) was removed and tighten to 4.9 to 6.0 Nm (43-53 in.lb.).
7.
Install fuel return hose (1) to the two stage housing pressure regulator.
8.
Install engine cover, if equipped.
9.
Tighten fuel tank cap.
10.
Check for fuel leaks.
Diagnosing Air In Fuel Lines
