Detroit Diesel 471 Blower (Old Style) Video

March 26, 2025

Introduction to the Detroit Diesel 4-71 Old Style Blower


What Is the Purpose of the Blower on a 4-71 Engine?


Characteristics of the Detroit Diesel 4-71 Old Style Blower


1. External Design and Features


2. Drive and Gear Configuration


3. Rotor Design


How to Identify an Old Style 4-71 Blower


Detailed Internal Specifications


Gear and Rotor Clearances


Rotor Timing and Wear


Rebuilding an Old Style 4-71 Blower


Step 1: Disassembly


Step 2: Inspection


Step 3: Replacement of Wear Parts


Step 4: Reassembly and Rotor Timing


Lubrication System in the Old Style Blower


Troubleshooting Old Style Blower Issues


Upgrading to a New Style Blower: Should You?


Practical Tip: How to Check Your 4-71 Blower by Hand


The Role of Diesel Pro Technicians and Video Demonstrations


Final Thoughts on the Detroit Diesel 4-71 Old Style Blower


FAQ – Detroit Diesel 4-71 Old Style Blower


Additional Resources For The Detroit Diesel 4-71 Blower


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Detroit Diesel 471 Blower (Old Style) Video