The pump performs four basic functions: Producing the high fuel pressure required for injection. Torque Value: 43 n.m [32 ft-lb ] Tighten the brackets in the following sequence: 1.

Producing the high fuel pressure required for injection 2. Use barring tool to prevent engine from rotating when tightening gear. Varying the timing relative to engine speed.

Torque Value: 24 nm [212 in-lb ] 22 mm Tighten the pump driveshaft retaining nut. Push the rear three fuel lines toward the engine block and remove the pump.

Snug up all 4 15mm nuts on the mounting studs. It CANNOT get out of time with the cam gear as long as the front tin cover is on. Use barring tool to prevent engine from rotating when tightening gear. Torque Value: 170 n.m [125 ft-lb ] Install the crankcase breather. See figure 34. Remove Old Injection Pump You CAN turn the engine over with or without the pump installed, with the drive gear loose. Distributing the high-pressure, metered fuel to each cylinder at the precise time. Remove the nut and washer (DO NOT DROP WASHER INTO TIMING COVER) and verify that the key is in the notch 100% lined up. Metering the exact amount of fuel for each injection cycle.

Injection pump nut torque 94-98 2nd Gen. 12V : Advertisement If this is your first visit, be sure to ... As static friction coefficient is higher than dynamic, so the extra torque is going to break the nut loose, not actually tightening it down. Set the new lock washer and nut on the VP44 axle, and snug (35 ft #) 5. 4. m (125 ft. lbs.) Bosch VP44 Info & Installation Fuel Injection Pumps for Cummins 5.9L VP44 Pump General Information The fuel injection pump (VP44) is an electronic rotary distributor pump. Bracket-to-fuel pump cap screws 2. Bracket-to-fuel pump brace cap screws 10 mm Tighten all cap screws on the support bracket. It is the same idea as retorquing the studs. Do NOT turn pump shaft during or after removal; see why in paragraph below. 3.

Metering the exact amount of fuel for each injection cycle 3. Tighten the fuel injection pump mounting nuts. VP44 Pump General Information The fuel injection pump (VP44) is an electronic rotary distributor pump.

torque. I could see loosening the nut, and then bumping the torque wrench up 5lbs more each time. The pump performs four basic functions: 1. If not, remove pump and inspect key for … It is possible to press the gear onto the pump with the key not aligned and really screw things up.