Chevy and GMC Duramax Diesel Forum - Reply to Topic
Maintenance Discuss scheduled maintenace, capacities, filter part numbers, etc.

Thread: 2011 Allison/4x4 fluid change intervals Reply to Thread
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  Topic Review (Newest First)
12-19-2019 07:46 AM
mwswarrior Take a quick look for the change intervals online.

Do the work yourself. Cheaper, done right, and satisfying.

All the work listed is simple and easy.
12-19-2019 06:10 AM
HWI The spin on transmission filter is extremely easy to change and only about $10, I do mine every other oil change.
The differentials are pretty dang easy to drain and refill as well. They both have drain and fill plugs, so you don't have to pull the cover. For the front one it is easier to fill if you have hand pump with a small hose you can screw onto the gear oil bottle (you can buy these for cheap from many different places), at stock height it's a bit difficult to get a quart bottle up there without it. For the classic trucks you only need 7 quarts to do both differentials, I believe the new trucks are the same.
12-18-2019 09:03 PM
rockn69
Quote:
Originally Posted by Durmmax View Post
would it void my warranty if I did the work ? I have the tools to do it
Warranty!! Title says 2011, your warranty sailed about 4 years ago. And even if you have extended warranty they probably won't cover it cause you didn't change it at the mileage they have in the fine print.
12-18-2019 06:46 PM
Sierraluva 78k miles isn’t a lot. However, if you pull a fair amount then it’s a good idea-not necessary-but won’t hurt a thing. Maybe just wait and get fluid here and there and change it at 100k. And do it yourself. I did all my running gear fluids for around $175 or so. Including an internal trans filter. Most local auto stores will take the old fluid too.
12-18-2019 04:06 PM
CA2500 It would cost you about $100 and a few hours of labor to do it yourself. Maybe add another couple bucks for beverages but you will Dave a lot of money compared to the dealership
12-06-2019 09:06 AM
LMLLover No, the rule to follow is to match your usage of the vehicle to the proper maintenance schedule.
12-06-2019 09:02 AM
Dales Super Store Good rule to follow is to change the fluids based on the recommendations of the manufacturer and engineers that built it.
12-06-2019 08:58 AM
chuckd83 Follow the maintenance schedule in your manual based on driving conditions. No, it won't void your warranty if you do it yourself (correctly).
12-06-2019 08:39 AM
Durmmax would it void my warranty if I did the work ? I have the tools to do it
12-06-2019 08:02 AM
AlisoBob
Quote:
Originally Posted by Durmmax View Post
What are your guys thoughts on this?
I think you need to go by $50 worth of tools, and learn to do it yourself.
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