What is the Allison Transmission part number for Duramax?
Neutral safety backup switch issues are another common Allison Transmission problem on the GM Duramax versions. If the D doesn’t light up on your gear indicator, this could be the issue. It is part number 29540479.
What to do if your Allison Transmission goes into limp mode?
Unfortunately, a driver can’t reverse limp mode. If you find yourself stuck in third gear with this model of transmission, it’s probably time to have it rebuilt. Pro Tip: Keep your Allison transmission well-maintained to avoid accidentally triggering limp mode. This will also improve your vehicle’s overall functionality!
When did Allison transmission upgrade to generation 5?
Pro Tip: When finding parts for your Allison Transmission, make sure you know what generation your transmission is. In 2012 Allison upgraded to the Generation 5 model, which is still in use today.
Why does my Allison Transmission go into limp mode?
This is a different shift table that allows the transmission to protect itself from catastrophic failure. You should always assume that this isn’t “bogus” and try and get your transmission. This limp mode locks the transmission into third gear, and keeps the torque converter from locking up. It also keeps the transmission from going into reverse !
What should the temp of an Allison Transmission be?
How hot should your Allison transmission run? If you own a 2001-2004.5 LB7 Duramax your normal operating temperatures will run around 160-180 degrees. These transmissions will warm up when towing or driving in the summer months. 200-225 is very common when the ambient air temp is 80-100 degrees and your transmission is under an increased load.
What kind of transmission does a Duramax pickup have?
Nearly all Duramax powered pickup trucks were equipped with the Allison 1000 automatic transmission, with the five-speed version running from 2001 to 2005, and the six-speed starting in 2006 and running until 2019.
Are there any problems with the Allison Transmission?
Allison transmissions are custom-designed for several different industries and provide valuable power and work. However, even these revolutionary pieces of equipment can have problems. Do you know how to identify and deal with an issue that may arise with your Allison transmission?
What should the transmission temp be in a Duramax?
If you own a 2001-2004.5 LB7 Duramax your normal operating temperatures will run around 160-180 degrees. These transmissions will warm up when towing or driving in the summer months. 200-225 is very common when the ambient air temp is 80-100 degrees and your transmission is under an increased load.
What does grade braking do on an Allison series 1000?
Allison Series 1000 Transmission Grade Braking Feature Everything you wanted to know about grade braking and more.. The grade-braking algorithm’s primary purpose is to utilize engine braking to slow a heavy vehicle on steep grades in order to reduce wear on the traditional braking system.
When did the LMM Duramax diesel engine come out?
The LMM Duramax refers to Chevrolet Silverado HD and GM Sierra HD trucks equipped with the 6.6L Duramax diesel engine between the years of 2007.5-2010. It was very similar to the LBZ, but it featured an all-new emissions device, a diesel particulate filter.
Where to buy a 2008 GMC Sierra 3500HD?
2008 Sierra 3500HD listings within 50 miles of your ZIP code. Get answers to buy with confidence. Save when you purchase multiple reports. Select from one or more dropdowns below, to find the right car for you.
How many horsepower does a GMC Sierra Duramax have?
2008-2010 GMC Sierra & Chevy Silverado HD 6.6L LMM Duramax Specs Manufactured Years: 2007.5-2010 Fuel: Diesel Fuel Tank Size: Short Bed: 26 Gallons Long Bed: 34 Gallo Max Engine Speed: 3,250 RPM Horsepower: 365 horsepower
What to do if your Duramax transmission stops working?
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What kind of transfer case do I need for a GMC Sierra?
Chevrolet Silverado GMC Sierra 2500HD 3500HD with 6.6L Duramax diesel engine or 8.1L gas engine Fits 2001-2007 applications with allison transmission & 6 speed manual. Call with your VIN # or Model # (located on rear case half of transfer case) to insure we ship you the right transfer case for your vehicle. 29 spline Input Gear (Electric Shift)