John Deere 4020 Engine Rebuild - Part 1: Head Gasket to Complete Inframe Overhaul | Tips & Tricks

In this video, we dive into the first part of a John Deere 4020 engine rebuild! What started as a simple head gasket replacement quickly turned into a full inframe overhaul due to unexpected issues discovered before even beginning the teardown. Whether you're a seasoned mechanic or a DIY enthusiast, this detailed guide offers valuable tips and tricks for overhauling engines.

I’ll take you step by step through the process of tearing down the engine, cleaning components, measuring key parts, test-fitting the liners, and rolling in fresh main bearings. This video is packed with useful insights that can help you with your own engine rebuild projects, whether you're working on a John Deere 4020 or another diesel engine.

👉 What you’ll learn in Part 1:

-Cleaning and inspecting engine components
-Measuring engine parts for wear and tolerance
-Why some pistons come pre-assembled in the sleeves
-Correct piston ring orientation or clocking
-Test fitting cylinder liners
-Installing new main bearings

🔧 This video is perfect for anyone looking to restore an engine or learn more about the internal workings of diesel engines. Be sure to check out Part 2 coming next week for the next steps of the rebuild process!

🔔 Don’t forget to like, subscribe, and hit the bell icon to stay updated on future videos, including Part 2 of this engine rebuild series!

Timestamps:
00:00 - Intro
00:48 - The Story
02:23 - Removing the Loader
03:53 - Beginning Teardown
7:35 - Sleeves Removed
08:50 - Broken Liner
09:23 - Bearing Wear
09:39 - Cleaning the Block
10:40 - New Parts Are In!
10:57 - Main Bearings
11:30 - More Cleaning
12:00 - Reliance Fac-Pak Hyper-Formance Liner Kits
13:27 - Removing Pistons from Liners
16:13 - Checking Piston Ring Factory Installation
17:53 - Correct Piston Ring Clocking
21:26 - Addressing Factory Assembled Liner Kits
22:18 - Test Fitting Liners
22:51 - Measuring Piston Protrusion
25:08 - Analyzing Protrusion Measurement Results
26:02 - Checking the Deck
29:33 - Liner O-rings
31:47 - Prepping for Liner Installation
34:06 - Liner Installation
38:33 – Subscribe for Part 2

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Video by RCDiesel