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HMMWV Transmission Diagnostics/Repair Guide

A quick guide I threw together to assist you in diagnosing your 4l80e transmission issues issues

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Project Thor HMMWV -  Electrical & Transmission
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Project Thor HMMWV - Electrical & Transmission

5 Reasons to NOT Engine Swap Your Humvee
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5 Reasons to NOT Engine Swap Your Humvee

HMMWV 4L80e Diagnostics - Connection
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HMMWV 4L80e Diagnostics - Connection

The ABSOLUTE BEST DIY HMMWV Spindle Nut and Suspension Repair Guide
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The ABSOLUTE BEST DIY HMMWV Spindle Nut and Suspension Repair Guide

Humvee 4L80E Transmission Maintenance DIY Tutorial
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Humvee 4L80E Transmission Maintenance DIY Tutorial

HMMWV / Humvee Glow Plug Start Box $15 Permanent Fix!!
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HMMWV / Humvee Glow Plug Start Box $15 Permanent Fix!!

Surplus Humvee Wiring OVERHAUL No More Shorts or Fires!
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Surplus Humvee Wiring OVERHAUL No More Shorts or Fires!

How to change the oil on geared hubs on a HMMWV
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How to change the oil on geared hubs on a HMMWV

This Military Humvee Went Where No Other Vehicle Has Gone Before At Tumbleweed Ranch!
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This Military Humvee Went Where No Other Vehicle Has Gone Before At Tumbleweed Ranch!

DIY HMMWV won’t charge using a 200amp alternator. Cause: voltage regulator HUMVEE 1045
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DIY HMMWV won’t charge using a 200amp alternator. Cause: voltage regulator HUMVEE 1045

REASONS TO BUY A HUMVEE OVER AN H1
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REASONS TO BUY A HUMVEE OVER AN H1

4l80e Solenoid Resistance Check Without Dropping Pan.
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4l80e Solenoid Resistance Check Without Dropping Pan.

Keep the humvee running cool with this mod!
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Keep the humvee running cool with this mod!

Low Power Fuel Starvation! Hummer Humvee H1 6.5 Detroit
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Low Power Fuel Starvation! Hummer Humvee H1 6.5 Detroit

STOP Overheating! Install Your HMMWV Radiator Like a Pro
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STOP Overheating! Install Your HMMWV Radiator Like a Pro

HMMWV Troubleshooting Fuel System
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HMMWV Troubleshooting Fuel System

Humvee Cadilac valve and temperature sensor replacement.
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Humvee Cadilac valve and temperature sensor replacement.

Humvee / HMMWV - 4L80-E TCM Diagnostic Code Retrieval (using a jumper wire)
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Humvee / HMMWV - 4L80-E TCM Diagnostic Code Retrieval (using a jumper wire)

Understanding your HMMWV/Humvee Cooling System | How to Check Your Fan Clutch
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Understanding your HMMWV/Humvee Cooling System | How to Check Your Fan Clutch

HMMWV Oil Change : How To / What You Need To Know
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HMMWV Oil Change : How To / What You Need To Know

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