Allison Transmission | Chevy Silverado and GMC Sierra Forum

Sticky New Allison Transmission Section

0

580

2009 HD2500 Alison Transmission ECU Failure

2

23

984

by brucealsup1950

Radiator leaking coolant at a transmission fitting

4

208

by Chevymanjohniii

Help!!

Kelli
3 mo ago
Redirect

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N/A

Allison 1000 issue. Maybe??

13

767

by B52Bombardier1

Allison trans Duramax

3

340

by Z15

TCM for 2009 GMC Sierra 3500 HD 6.6 Duramax w/ Allison 1000 transmission

2

592

by davester3500

2004 8.1L allison 5 to 6 speed conversion more details needed.

14

3K

Exhaust removal for Allison removal

6

493

by Alfred Payne

Shifting issue

0

407

by Scotth10221982

2005 Allison Will Not Go Into Tow Mode

2

535

trans

1

542

by Onlyina_Chevy