Key Maintenance Procedures (Covering Detroit Diesel 271, 371, 471, 671 Engines)

October 24, 2024

Key Maintenance Procedures  For Detroit Diesel 71 Inline Engines (271, 371,471,671) 1) Air Scavenging and Blower System For Detroit Diesel 71 Series Inline Engines (271, 371, 471, 671) [caption id="attachment_2296" align="aligncenter" width="388"] This is a picture of a Detroit Diesel 471 Blower. This is a key component for air intake that makes the 2-Cycle system possible.[/caption] In the Detroit Diesel Series 71 engine, the air scavenging process is critical for maintaining efficient combustion, especially due to the engine’s two-stroke cycle. The blower plays a central role in ensuring that the engine receives a fresh charge of air while exhaust gases…
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Engine Components and Their Roles (Covering Detroit Diesel 271, 371, 471, 671 Engines)

October 24, 2024

Detroit Diesel 71 Series Inline Engine Component List ( 271, 371, 471, 671) The Detroit Diesel Series 71 engine is composed of several critical components that work together to drive efficient combustion and ensure the engine’s performance. Below is an in-depth look at each of these components, their function, and how they contribute to the engine's overall operation. Before you get started there are a few links to look at the parts for each engine type.  Parts For 71 Series Inline Engines  Parts For Detroit Diesel 271 Parts For Detroit Diesel 371 Parts For Detroit Diesel 471 Parts For Detroit…
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Key Insights From The Detroit Diesel 71 Series Inline (271, 371, 471, & 671 ) Manual Volume 1

October 24, 2024

Service Manual Insights For Detroit Diesel 271, 371, 471, and 671 Engines (Volume 1) Introduction to Detroit Diesel Series 71 Inline Engines The Detroit Diesel Series 71 engines have been a staple in various industries, renowned for their reliability, durability, and efficiency. These engines, available in different configurations like the 271, 371, 471, and 671 models, have powered everything from marine vessels to industrial equipment and commercial vehicles. Their legacy is built on delivering consistent performance under tough operating conditions, making them a trusted choice for operators worldwide.  For Volume 2 Of Insights To The Detroit Diesel 71 Series Inline…
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Detroit Diesel 2-71 Torque Specifications

June 9, 2023

Detroit Diesel 2-71 Torque Specifications Thread Size (in.) Description Torque Specifications lb-ft N-m 1/4-20 Standard Torque Specification 7-9 9-12 1/4-28 Standard Torque Specification 8-10 11-14 Screw-Injector Rack Control Lever 2-3 3-4 5/16-18 Standard Torque Specification 13-17 18-23 5/16-24 Standard Torque Specification 15-19 20-26 Nut-Lock-Push Rod 15-19 20-26 3/8-16 Standard Torque Specification 30-35 41-47 Bolt-Air Inlet Housing to Blower 30-35 41-47 Bolt-Air Box Cover 10-12 14-16 Bolt-Oil Pan 10-12 14-16 Bolt-Injector Clamp 20-25 27-34 3/8-24 Standard Torque Specification 35-39 47-53 Nut-Fuel Jumper Line 12-16 16-22 Nut-Exhaust Outlet Manifold Flange (Brass) 20-25 27-34 Nut-Injector Clamp 20-25 27-34 7/16-14 Standard Torque Specification 46-50…
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Detroit Diesel V71 Series Torque Specifications

June 9, 2023

Detroit Diesel V71 Series Torque Specifications Thread Size (in.) Description Torque Specifications lb-ft N-m 1 1/8-18 Nut-Cam and Balance Shaft 300-325 407-441 1/4-18 NPTF Dipstick Adaptor used with Airbox Drain Banjo 38-42 52-57 1/4-20 Standard Torque Specification 7-9 9-12 Bolt-Injector Control Shaft Bracket 10-17 14-23 Bolt-Cam Follower Guide 12-16 16-22 1/4-28 Standard Torque Specification 8-10 11-14 Screw Inj. Rack Control Lever 2-3 3-4 5/16-18 Standard Torque Specification 13-17 18-23 Bolt Blower Drive Assembly Thrust Collar 16-2 22-28 Bolt-Hand Hole Cover (Air Box) 13-21 18-28 Bolt-Oil Pan (Cast) - Hard Gasket 13-21 18-28 Bolt-Oil Pan (Low Pan or in Aluminum F/W…
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Torque Specifications For Detroit Diesel 71 Series Inline (Not Including 2 Cylinder)

June 9, 2023

Torque Specifications for Detroit Diesel 71 Inline Engines (Excluding 271): A Complete Guide Detroit Diesel’s 71 series inline engines have been a staple in various industries, known for their rugged performance and reliability. Whether used in marine, industrial, or commercial applications, ensuring proper torque specifications during maintenance and repairs is essential for optimal engine performance and longevity. In this guide, we provide the crucial torque specs for Detroit Diesel 71 inline engines (excluding the 271), helping you keep these workhorse engines running efficiently. Torque Specifications For Detroit Diesel Series 71 (Inline Except 2 Cylinder) Thread Size (in.) Description Torque Specifications…
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