RAM 2500 Truck 4WD L6-359 5.9L DSL Turbo VIN D FI (1998)
Fuel Injection Pump: Service and Repair
Removal
New or remanufactured fuel injection pumps should have a new overflow valve temporarily installed into side of pump. Do not install a used overflow
valve into a new or remanufactured injection pump. If pump is being sent to an authorized repair facility for calibration or testing, be sure to temporarily
install old overflow valve into pump.
REMOVAL
1. Disconnect both negative battery cables at both batteries.
2. Disconnect electrical connector at throttle position sensor on side of injection pump (if equipped).
3. Disconnect electrical connector at fuel shutdown solenoid.
4. Remove EGR tube (if equipped). Refer to procedure.
5. Disconnect main engine wiring harness at top of injection pump and position to side.
6. Remove metal intake manifold-to-intercooler connecting tube.
7. Remove engine oil dipstick tube mounting clamp and bolt. Position dipstick tube to side.
8. Disconnect two air heater cable nuts.
9. Remove five intake manifold bolts. Discard both old air heater base gaskets.
