Duramax Coolant Leak Problems

How to Fix: 6.6 Duramax Coolant/Antifreeze Leak at Rear of Engine (Parts links in description⬇️)

Replacement hose (you will need to cut to length): https://amzn.to/3f1QSuU Replacement hose clamps: https://amzn.to/3SsnGeW #duramax #coolantleak #fixed #easy #diy #silverado I show you how to replace a small but vital coolant hose that looks like a really bad leak coming from the rear of your engine on the 6.6 Duramax.

88.4K viewsSep 23, 2022

Duramax V8 engine Performance

13:50

3L Duramax (LZ0) Tows HARD and HEAVY - Full Towing & Engine Breakdown *Diesel Mechanic Review*

YouTubeGetty's Garage

86K views6 months ago

11:22

Is the NEW 2026 Duramax Engine REALLY the Most POWERFUL Yet?

YouTubeCar Reviews hub

2.7K views1 month ago

10:24

GM Unveils A NEW Duramax DIESEL ENGINE For The 2026 Chevy Silverado 2500!

YouTubeCar Reviews hub

81.4K views4 months ago

Top videos

1:00

Easy fix for a common coolant leak on a Duramax

YouTubeLawrence LT Tolman

74.9K viewsAug 25, 2019

2:30

Duramax coolant leak SOLVED

YouTubeaust

11K viewsApr 21, 2022

13:53

Duramax coolant leak above starter heres the fix

YouTubeLife With Chase

148K viewsApr 20, 2019

Duramax V8 engine Reviews

22:33

Chevy 2500 6.6 Duramax Diesel (L5P) **HEAVY MECHANIC Review** | Is It a GOOD Engine ??

YouTubeGetty's Garage

280.9K viewsDec 20, 2022

2:41

6.6L DURAMAX LB7 Diesel V8 Engine Review - It CHANGED The Diesel World!! #duramax #diesel #mechanic

YouTubeGetty's Garage

26K views7 months ago

9:15

The Best Diesel Truck! (2025 GMC Sierra 1500 Duramax)

YouTubeBen Hardy

59.4K viewsSep 29, 2024

1:00

Find in video from 0:00Introduction to the Problem

Easy fix for a common coolant leak on a Duramax

74.9K viewsAug 25, 2019

YouTubeLawrence LT Tolman

2:30

Find in video from 0:00The Problem

Duramax coolant leak SOLVED

11K viewsApr 21, 2022

YouTubeaust

13:53

Find in video from 0:00Introduction and Problem Description

Duramax coolant leak above starter heres the fix

148K viewsApr 20, 2019

YouTubeLife With Chase

2004 GM Duramax LLY Coolant Leak Near Oil Cooler

12:21

Find in video from 00:19Evidence of Coolant Leak

2004 GM Duramax LLY Coolant Leak Near Oil Cooler

51K viewsFeb 8, 2021

YouTubePhillip Bailey

Oil and Coolant Leak locations on 3.0 Duramax + Ground Issue

4:29

Find in video from 0:00Introduction to Oil and Coolant Leaks

Oil and Coolant Leak locations on 3.0 Duramax + Ground Issue

32.2K viewsOct 5, 2023

YouTubeDemonWorks - 3.0 Duramax Diesel LM2 LZ0

“How to Fix” Coolant Leak on My DURAMAX common issue😳

724 views11 months ago

YouTubePercy Reynolds III

0:48

2006 LBZ Duramax 6.6L V8 Allison Leaking Coolant FIXED

13.7K viewsDec 23, 2022

YouTubeParts Breakers

7:51

Find in video from 0:00Introduction and Problem Description

Getting To The Bottom Of This 2020 Duramax Coolant Leak!

36.6K viewsNov 1, 2020

YouTubeDenny Diesel

6:17

Find in video from 00:17Losing Water Problem

2006 (LBZ) Duramax EGR coolant leak

6K viewsMay 24, 2023

YouTubeThat'll Do Engineering

8:01

How-To Replace Coolant Control Valve + EVERYTHING YOU NEED …

41.5K views11 months ago

YouTubeDemonWorks - 3.0 Duramax Diesel LM2 LZ0

0:58

Find in video from 0:00Introduction and Problem Description

Duramax L5P Low Coolant Message... Common Cause

39.7K viewsJan 5, 2023

YouTubeDadsGarage Diagnostic Specialist

24:35

Find in video from 02:01Common Issue with 2017 Duramax Trucks

L5P Duramax "Low Coolant" Fix and Tuning!

46.5K viewsSep 24, 2022

YouTubeMohawk Motors

3:35

Find in video from 0:00Introduction and Problem Description

LLY Duramax headgasket egr cooler leak test symptoms coolant press…

153.6K viewsJan 12, 2016

YouTubeRichie's Truck and Auto

9:53

How to Fix a Leaking Duramax Oil Cooler (LB7, LLY, LBZ, LMM)

10K views6 months ago

YouTubeArk

2:19

How to Drain the Coolant On A DURAMAX LBZ 2006 - 2007

32.6K viewsJul 30, 2018

YouTubeAverage Driveway Mechanic

35:03

Changing L5P duramax Coolant Reservoir to fix low Coolant mess…

42.2K viewsMar 16, 2022

YouTubeC Farmer

6:56

Find in video from 06:29Dealing with Engine Problems

DURAMAX Coolant in oil or OIL in coolant head gasket oil cooler wat…

20.8K viewsMar 6, 2021

YouTubemikes random videos

1:49

Find in video from 0:00Introduction and Problem Identification

How to bleed a duramax cooling system

19.1K viewsJun 18, 2022

YouTubeJoey brewer

2:07

Duramax transmission cooler lines leak? Here is easiest fix!

7.2K viewsJun 1, 2022

YouTubeBob’s Garage Tech

3:58

Find in video from 00:24Draining Coolant

Duramax: LBZ (2006-2007) Easy way to drain coolant.

28.3K viewsAug 23, 2022

YouTubePro Diesel Repair

5:05

Find in video from 0:00Introduction and Problem Description

How to diagnose a mystery coolant leak in a Chev/GM truck

428.5K viewsJun 29, 2018

YouTubespelunkerd

9:03

Find in video from 01:08Identifying the Exhaust Leak

2021 L5P Duramax Exhaust leak & Repair ”How to”

11.7K viewsAug 21, 2022

YouTubePart Time Pro

4:43

Find in video from 0:00Introduction to Coolant Leaks

Coolant Leaking From Hose - How to Fix Antifreeze Hose Leak

251.4K viewsFeb 11, 2023

YouTubecar PROblems

2:51

Find in video from 00:01Introduction and Problem Statement

How To - Drain The Coolant of a LMM Duramax Diesel

121.2K viewsFeb 23, 2016

YouTubeToxic Diesel

2:48

Find in video from 00:01Introduction and Problem Identification

How To Fix A Leaky Coolant Overflow Tank

579.4K viewsMar 22, 2015

YouTubehoohoohoblin

12:31

Find in video from 00:07Introduction and Problem Description

2019 Duramax Low Coolant Issue

40.2K viewsDec 13, 2021

YouTubePat's Garage

2:59

Find in video from 0:00Introduction and Problem Identification

duramax coolant fitting leak!

21.9K viewsApr 12, 2020

YouTubeRikki Diesel (Rikki Martinez)

9:32

Find in video from 0:00Introduction and Problem Description

Silverado duramax lmm engine oil cooler coolant leak

15.4K viewsJul 4, 2020

YouTubeEveryday my truck breaks down

7:18

Possible LML DURAMAX rear engine coolant leak solutions.

1.7K views8 months ago

YouTube2nd Momentum Garage

See more videos

Top suggestions for Duramax Coolant Leak Problems