Surplus HMMWV 6.5L Diesel Fuel Injection Pump Replacement: A DIY Tutorial

In this how to video, I'll show the process of reinstalling a Stanadyne DB2 mechanical fuel injection pump into a surplus Army HMMWV (High Mobility Multipurpose Wheeled Vehicle), commonly known as the Humvee or Hummer. Whether you're a seasoned mechanic or just getting started with vehicle repairs, I'll break down the steps in simple terms to make it easy to follow along.

I'll explain the tools needed and provide tips for smoother installation. Follow along as I share some insights and techniques to ensure a successful pump reinstallation, with a focus on explaining each step in a straightforward manner, allowing you to confidently perform this task on a 6.2 or 6.5 Litre diesel engine.

Join me in this hands-on tutorial as we dive into the world of vehicle mechanics, and don't forget to hit the subscribe button for more informative videos on maintaining and repairing military surplus vehicles like the HMMWV.

00:00 - Start
00:10 - Rebuilt Fuel Injection Pump
00:59 - Fuel Injector Installation
03:25 - Fuel Injection Pump Installation
03:56 - Fuel Injection Pump Timing
05:32 - Fuel Injection Pump Drive Gear Bolts
07:22 - Fuel Injector Return Hoses
09:19 - Fuel Injection Line Installation
12:08 - Fuel Filter Installation
15:27 - Final Connections
16:04 - Injection Pump Priming and Leak Checks
17:54 - Let's Start This Thing

All service information contained is taken from manuals that are marked "Distribution Statement A: Approved for public release; distribution is unlimited."
TM 9-2320-280-20
TM 9-2320-280-24P
TM 9-2320-280-34
TM 9-2320-387-24P
https://genuinehumveeparts.com/manuals

(This video is not sponsored by or affiliated with AM General or any other company. The appearance of U.S. Department of Defense (DoD) visual information does not imply or constitute DoD endorsement.)