in
the entire site
Advanced Search
Cancel
Login / Join
What's New
Forum Listing
Products
Marketplace
Showcase
Gallery
Advanced Search
Members
FAQ
Dark Mode
Light Mode
Menu
Log in
Register
Home
Forums
What's New
JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.
New Posts
Popular
New Showcase
New Gallery
News & Articles
Looking for Replies
1
2
3
…
Go to page
Go
15
Next
1 of 15
Go to page
Go
1TRIKHD Victory Red CCLB
1TRIKHD
Dec 2, 2014
Build Threads
5367
5368
5369
107K
4M
a moment ago
by
rwood64083
Water in Fuel nightmare
hvtexskeeter
Nov 9, 2018
2017-19 GM T-K2 Platform Powertrain
2
32
46K
a moment ago
by
redwngr
F
Titan Fuel tank for 1500
FLAT TIRE
8 d ago
2020+ LM2 Performance Parts Discussion
9
212
23 m ago
by
redwngr
Oil leak
SLDHVN
33 m ago
2020+ GM T1 Platform Powertrain
3
4
24 m ago
by
BoiseRob
20 Sierra 3.0 SLT metal shaving in oil
Shae3838
5 d ago
2020+ LM2 Duramax Powertrain
9
267
26 m ago
by
redwngr
Duramax still running after impact
GTTackTrailer
17 h ago
GraveYard
8
77
29 m ago
by
Satar
2015 LML Transmission Leak
t2timmy
31 m ago
Transmission Shop
0
0
31 m ago
by
t2timmy
2023 DURAMAX SPUTTERING / SHUT OFF
STEVEB7
11 d ago
2020+ GM T1 Platform Powertrain
17
828
46 m ago
by
Aliveguy5
Repairable? Cost? How bad is it?
Fawks
6 d ago
General Discussion
2
3
4
60
2K
47 m ago
by
Stroked06Goat
Trying to prevent my truck getting stolen
JumpedDMax
3 d ago
General Discussion
2
27
822
47 m ago
by
Piper One
Better fuel Economy
Burren Rubba
16 h ago
Aftermarket Mods.
8
122
53 m ago
by
Stroked06Goat
Just another “Can I Tow This” question… (2500gmc)
Seenforever
7 d ago
Towing & Hauling
2
3
42
1K
60 m ago
by
Satar
B
Seat Belt chime disable: How to
beanfarmer
14 h ago
2020+ (Non Powertrain)
4
116
1 h ago
by
gemarsh
DEF tricks tips and how to deal with the issues that come from using it
2019LTZ2500
14 h ago
How To's, DIY and Write ups
3
110
1 h ago
by
FreedomOne
M
3.0 DEF Consumption
MHBmann
3 d ago
Duramaxforum.com News
2
21
352
1 h ago
by
Cajun Boys
Big dave 2023 dually conversation
bigdave_185
5 mo ago
Build Threads
15
16
17
334
10K
2 h ago
by
Satar
Whiteautoandmedia Autosync programmer/multifunction tool
2019LTZ2500
Dec 1, 2021
TECH Members ONLY
5
6
7
133
7K
2 h ago
by
flyinhawaiian968
T
I over tightened my coolant temp sensor!!
TKerb92
17 h ago
06-07 LBZ & LLY Duramax Powertrain
7
152
3 h ago
by
tobyhd02
C
Anybody towing heavy 5th wheel (13k+) with a 2005 2500 duramax?
chandlerburns
12 d ago
General Discussion
17
734
3 h ago
by
BIOTEC
R
What’s it worth?
Rother
7 d ago
Exterior Pics
14
770
3 h ago
by
dually6.66
Coolant smell after shutdown
Jcollette
11 mo ago
2020+ LM2 Duramax Powertrain
2
3
55
10K
4 h ago
by
mcginna
Blue def in fuel
jmd.199426
22 h ago
General Discussion
7
237
4 h ago
by
Hate2looz
M
NOX not covered by Emissions Warranty
mythrel_
2 d ago
2015 and up Canyon / Colorado (Non-Powertrain)
12
229
4 h ago
by
er453d
RV Pricing
Campingfamco
5 d ago
RV Towing Trips & Tech Tips...
13
545
4 h ago
by
sugarjohnson
X66P
nvaughn1103
10 mo ago
General Discussion
4
361
5 h ago
by
Tinman99
P0401 and P0404
Trgglynn
16 h ago
04.5-05 LLY Duramax Powertrain
2
57
5 h ago
by
Stroked06Goat
cant find a flashscan in my price range. whos recommended for safe reliable tunes for my lmm.?
novamike00
13 h ago
EFI Live
1
63
5 h ago
by
Stroked06Goat
08 duramax dually
08 DuramaxDually
1 d ago
Introductions
4
90
6 h ago
by
TN Denali 3500
Complete restoration to maintain value Sierra 2500 HD 4x4 LBZ Model 2007
Phoenix-LH
3 mo ago
2001 - 2007 (GMT800) Non Powertrain
2
36
2K
6 h ago
by
Phoenix-LH
Epoxy garage floor
lowufo
Mar 31, 2011
Behind The Garage Door
3
4
5
83
17K
11 h ago
by
kejexa
Dealer Appt. Tomorrow for Glow Plug Module Reprogram - Remove Banks Derringer?
07LBZ4Me
1 mo ago
L5P TSB (service bulletins, recalls, updates)
13
600
12 h ago
by
JonM21Ltz
Grinding noise when shifting
ish777
Jul 11, 2021
General Discussion
2
25
4K
12 h ago
by
meyer8484
Lmm Turbo
Burren Rubba
12 h ago
Performance Upgrades
0
40
12 h ago
by
Burren Rubba
WTB Flashscan V2
Trgglynn
8 d ago
EFI Live
2
121
12 h ago
by
Trgglynn
8 to 10 lug 225 adapters anyone use them? Convert to F450 Alcoa’s.
07duallyjohn
Sep 4, 2021
Wheels & Tires
8
3K
13 h ago
by
Alex503
1
2
3
…
Go to page
Go
15
Next
1 of 15
Go to page
Go
Chevy and GMC Duramax Diesel Forum
Since 2005
A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more!
Show more
3.7M
posts
188.1K
members
Join Community
Grow Your Business
Community Staff
View All
DMAXfirefighter
Moderator
Melonhead1102
Super Moderator
mostcorey95
Moderator
Top Contributors this Month
View All
bigdave_185
237 Replies
R
Ron Nielson
212 Replies
lutzjk913
172 Replies
Recommended Communities
Cummins Diesel Forum
391K+ members
Powerstroke Diesel Forum
267K+ members
Climbing
NEW!
10+ members
Join now to ask and comment!
Continue with Facebook
Continue with Google
or
sign up with email
Home
Forums
Top