Disassembly of the Oil Pump For Detroit Diesel 71 Series Inline Engines (271, 371, 471, 671)

October 30, 2024

Steps To Disassemble A 71 Series Inline Detroit Diesel Engine Oil Pump (271, 371, 471, 671)


1. Preparation and Initial Steps


2. Remove the Oil Pan


3. Detach the Oil Pump Assembly


4. Separate the Drive and Driven Gears


5. Disassemble the Relief Valve Assembly


6. Disassemble Additional Components in Marine or Inclined Models


7. Inspect and Organize Components


8. Document Any Model-Specific Adjustments


Reassembly Preparation



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Disassembly of the Oil Pump For Detroit Diesel 71 Series Inline Engines (271, 371, 471, 671)

Disassembly Of Components For Detroit Diesel 71 Series Inline Engines (271, 371, 471, 671)

October 29, 2024

List Of Components & Disassembly Instructions (When You Click The Links For More Details) - Detroit Diesel 71 Series Inline Engines (271, 371, 471, 671)


1)Disassembly Of Fuel Lines For Detroit Diesel 71 Series Inline Engines (271, 371, 471, 671)



Safety Precautions:


2) Disassembly Of Exhaust Manifold For Detroit Diesel 71 Series Inline Engines (271, 371, 471, 671)


Safety Precautions:


3) Disassembly Turbocharger (If Equipped) For Detroit Diesel 71 Series Inline Engines (471, 671)


Safety Precautions:


Additional Turbocharger Maintenance Tips


4) Disassembly Of Throttle Controls For Detroit Diesel 71 Series Inline Engine (271, 371, 471, 671)


Safety Precautions:


5) Disassembling The Starting Motor, Battery-Charging Generator, and Electrical Equipment For Series 71 Inline Engines (271, 371, 471, 671)



Safety Precautions:


Electrical Equipment (Sensors, Control Modules, Wiring)


Safety Precautions:


7) Disassembly Of Radiator and Fan Guard or Heat Exchanger For Detroit Diesel 71 Series Inline Engines (271, 371, 471, 671)


Safety Precautions:


9)Disassembly Of Air Box Covers For Detroit Diesel 71 Series Inline Engines (271, 371, 471, 671)


Safety Precautions:


10) Disassembly Of Cylinder Head and Valves For Detroit Diesel 71 Series Inline Engines (271, 371, 471, 671)


Safety Precautions:


11) Disassembly Of Governor Control Assembly For Detroit Diesel 71 Series Inline Engines (271, 371, 471, 671)


Safety Precautions


12) Disassembly Of The Water Pump and Coolant System Components (Freshwater and Raw Water Pumps) For Detroit Diesel 71 Series Inline Engines (271, 371, 471, 671)


Safety Precautions:


13) Disassembly Of The Blower For Detroit Diesel 71 Series Inline Engine (271, 371, 471, 671)


Safety Precautions:


14) Disassembly Of Blower Drive Gear and Support Assembly For Detroit Diesel 71 Series Inline Engines (271, 371, 471, 671)


Safety Precautions:


15) Disassembly Of The Camshaft and Balance Shaft For Detroit Diesel 71 Series Inline Engines (271, 371, 471, 671)




Safety Precautions:


16) Disassembly Of Flywheel and Flywheel Housing For Detroit Diesel 71 Series Inline Engines (271, 371, 471, 671)


Safety Precautions:


17) Disassembly Of The Oil System Components For Detroit Diesel 71 Series Inline Engines (271, 371, 471, 671)


Safety Precautions:


18)Disassembly Of Cylinder Block End Plates For Detroit Diesel 71 Series Inline Engine (271, 371, 471, 671)


Safety Precautions:


19) Disassembly Of Air Box Drains For Detroit Diesel 71 Series Inline Engines (271, 371, 471, 671)


Safety Precautions:


20) Disassembly Of Engine Lifter Brackets For Detroit Diesel 71 Series Inline Engines (271, 371, 471, 671)


Safety Precautions


21) Removing The Valve Rocker Cover On A Detroit Diesel 71 Series Inline Engine


Safety Precautions:


To Find Rocker Covers & Reinstallation Parts For Your 71 Series Inline Engine Use The Links Below:


22) Disassembly Of Turbochargers For Detroit Diesel 71 Series Inline Engines - ( 471, 671)



Safety Precautions


23) Air Cleaner Disassembly For 71 Series Inline Engines (271, 371, 471, 671)


24) Air Shutdown Housing Disassembly For Detroit Diesel 71 Series Inline Engines (271, 371, 471, 671)


Safety Precautions


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Disassembly Of Components For Detroit Diesel 71 Series Inline Engines (271, 371, 471, 671)

Torque Specifications Of 71 Series Inline Engines (271, 371, 471, 671)

October 29, 2024

Torque Specs For Detroit Diesel 71 Series Inline Engines (271, 371, 471, 671)


 


The Importance of Following Torque Specifications


Use a Torque Wrench


Follow Manufacturer’s Guidelines


Tighten in Stages


Comprehensive Torque Specifications


 


Detroit Diesel 2-71 Torque Specifications


Detroit Diesel 2-71 Pipe Plug Torque Specifications


Detroit Diesel 2-71 Stud Torque Specifications


Torque Specifications For Detroit Diesel Series 71 (Inline Except 2 Cylinder)


Torque Specs For Detroit Diesel Series 71 (Inline Except 2 Cylinder) Pipe Plug


Torque Specs For Detroit Diesel Series 71 (Inline Except 2 Cylinder) Stud


Final Checks


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Torque Specifications Of 71 Series Inline Engines (271, 371, 471, 671)

Detailed Guidance on How to Properly Reassemble Components For Series 71 Inline Engines (271, 371, 471, 671)

October 28, 2024

Detailed Guidance on How to Properly Reassemble Components For Series 71 Inline Engines (271, 371, 471, 671)


1. Cleanliness and Preparation


2. Component Inspection



3. Reassembling Fuel Lines


4. Reinstalling the Exhaust Manifold


5. Reassembling the Cylinder Head


The Importance of Following Torque Specifications


Use a Torque Wrench


Follow Manufacturer’s Guidelines


Tighten in Stages


Comprehensive Torque Specifications:


1. Cylinder Head Bolts


2. Main Bearing Cap Bolts


3. Connecting Rod Bolts


 


For Two-Piece (Crosshead) Piston:

4. Injector Clamp Bolts


5. Rocker Arm Shaft Bracket Bolts


6. Flywheel Housing Bolts


7. Exhaust Manifold Bolts


8. Oil Pump Mounting Bolts


9. Crankshaft Pulley Bolt


10. Water Pump Mounting Bolts


Overtightening and Undertightening


Final Checks


Recommended Sealants and Techniques to Prevent Leaks After Assembly


Use the Correct Sealant


Install New Gaskets


Ensure Proper Mating of Surfaces


Final Checks for Leaks


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Detailed Guidance on How to Properly Reassemble Components For Series 71 Inline Engines (271, 371, 471, 671)