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249
Sticky
General Motors Class Action Lawsuit for Duramax/Allison Transmission Control Module (TCM) part # 24256861.
brucealsup1950
Mar 7, 2023
Locked
2
23
21K
May 10, 2023
by
BoiseRob
Sticky
Transmission Shops Near You. (we need YOUR help to add to this!)
theunderlord
Jan 13, 2011
5
6
7
122
150K
Dec 28, 2021
by
LMLhiC
Sticky
6 speed -no start- TCM shorted
jc1843
Oct 5, 2011
Locked
5
38K
Dec 3, 2012
by
DMAXchris
Sticky
Tranny Forum Sticky Threads!
theunderlord
Dec 9, 2010
Locked
0
27K
Dec 9, 2010
by
theunderlord
Sticky
Allison codes, tq specs, and info
DieselX-Bob
Dec 16, 2007
Locked
3
67K
Jan 3, 2010
by
bigeddie1300
D
Pressure solenoids 1 and 2
Dm20822
2d ago
6
158
8h ago
by
Ron Nielson
J
P0700, P0733, P0128 codes Help.
Jbrewer4
2d ago
3
144
1d ago
by
Jbrewer4
G
Looking at 2021 with P0700
GPappy
2d ago
7
146
1d ago
by
Too many hobbies
W
Converter not unlocked in 1st
Wes1991
2d ago
0
54
2d ago
by
Wes1991
V
2003 2500 HD - Allison 1000 - PO747
virgilhoefels
4d ago
3
133
4d ago
by
Ron Nielson
J
Shift display flashes and truck won't move.
jwb1155
Oct 12, 2010
9
29K
6d ago
by
brianedwarddennis197
S
2008 lmm trans seems warm about to have it looked at pretty soon:(
Slough55
Sep 4, 2023
10
552
Mar 11, 2024
by
Slough55
LLY trans to LB7
nsolimini
Sep 30, 2011
10
10K
Mar 7, 2024
by
johnmyster
C
Transfer case issues....
carmenskelton
Mar 5, 2024
2
161
Mar 6, 2024
by
cookie man II
Trans coasting and ATF turning brownish
series60
Mar 4, 2024
10
243
Mar 6, 2024
by
Ron Nielson
K
Transmission Repair Recommendation in Chandler AZ
kosai1111
Mar 2, 2024
1
120
Mar 3, 2024
by
Cameo
D
12' 2500 Duramax/Allison - TCM finally replaced but have new codes... Help please
davidd601
Feb 25, 2024
1
196
Mar 3, 2024
by
davidd601
R
Using 4x4 transmission in 2wd build
remi99
Mar 1, 2024
0
94
Mar 1, 2024
by
remi99
S
Clanking transmission shift after changing spin on filter
STEVEPUNTAABREOJOS
Feb 29, 2024
1
93
Mar 1, 2024
by
Ron Nielson
B
2006 LLY TCM
brantking
Feb 28, 2024
3
114
Feb 28, 2024
by
DMAXfirefighter
R
Transfer case on a 03 2500hd duramax with the 6.6
Ryanhurley.2004
Feb 25, 2024
0
100
Feb 25, 2024
by
Ryanhurley.2004
J
Allison 5 speed to 6 speed conversion
jimray@hartcom.net
Apr 9, 2019
10
19K
Feb 25, 2024
by
Esseker
ZF6 swap done..
06_DRW_LLY
Dec 19, 2010
4
5
6
177
164K
Feb 25, 2024
by
lutzjk913
A
2004.5 lly Allison 1000 4th gear c2 issues
Andrewmx14
Feb 24, 2024
0
59
Feb 24, 2024
by
Andrewmx14
Lb7 valve body in a LLY?
Sebastianturco17
Feb 23, 2024
0
17
Feb 23, 2024
by
Sebastianturco17
Converter slip questions.
Mattswaggs
Aug 9, 2023
21
2K
Feb 21, 2024
by
Tneese
2
01' gmc Sierra 3500 m74 Allison 1000 trans/tcm problem
2001gmc3500
Feb 20, 2024
1
99
Feb 20, 2024
by
Ron Nielson
M
Shift range inhibited message on a 2003 chevy silverado 2500 hd
Master19man
Feb 16, 2024
3
187
Feb 20, 2024
by
Master19man
E
Leaking Filter - Please advise..
Elvis's Garage
Feb 19, 2024
2
187
Feb 19, 2024
by
Aliveguy5
R
2008 GMC C5500 Allison 1000RDS stuck in 4th gear
Rance muirhead
Feb 18, 2024
1
118
Feb 18, 2024
by
Ron Nielson
Changing 10L1000 fluid
BoneFrog
Jan 26, 2024
2
65
4K
Feb 16, 2024
by
nicholsonmyles.mn
T
2006 LBZ Duramax passthrough connector leaking fluid
Tie
Feb 13, 2024
6
250
Feb 14, 2024
by
Tie
transmission binding????
05LLY BG18
Apr 4, 2013
14
2K
Feb 13, 2024
by
Ryan Burright “Turbo”
D
Allison 1000 Good Reverse, In Drive Feels like Brake is on
DCliche3500hd
May 15, 2021
5
2K
Feb 13, 2024
by
Noahrifle
S
Transmission Shudder
StuartT
Oct 17, 2012
17
33K
Feb 13, 2024
by
69camaro!
2003 valve body in 2005 truck.
Sebastianturco17
Feb 8, 2024
1
78
Feb 10, 2024
by
HTNKLB7
1
'15 2500 Allison hard shift
1sewcreative
Feb 7, 2024
3
185
Feb 8, 2024
by
DMAXfirefighter
R
07 Allison issue.
Robert Freeze
Feb 7, 2024
5
255
Feb 8, 2024
by
Robert Freeze
2006 Chevy Silverado 3500 no reverse
Dani Lucas
Jan 18, 2024
4
202
Feb 5, 2024
by
Ron Nielson
R
2005 Duramax incorrect 5th gear ratio
rapiddarby
Mar 6, 2019
34
13K
Feb 5, 2024
by
dearden
1
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Discuss the Allison OEM, aftermarket, and the ZF-6.
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