Delo Syn-AMT 75W90 for a 2016 DT12. Later models use a different spec.
My transmission has not rev up between shifts after I changed transmission oil and about 1500 miles. I made sure to buy the right spec oil for my...
My truck would shut down while going down the road. Changed the PD module on firewall near steering column and problem went away.
Update on my transmission. Changed the transmission oil and cleaned filter. No metal fillings and oil looked pretty good. Did have what looked...
Thanks for responding, why would it only flare up on even to odd shifts and not odd to even shifts? Is there something in the transmission that...
Did you ever get anything figured out on your transmission?
No, not yet. Trying to look No, not yet. Trying to review DT12 service Manuel and find a DT12 wiring diagram. I'm not been in big hurry because...
My transmission shifted ok for a while also then started doing it again. My next check will be to check TCM wiring harness along with pins to make...
My 16 Western Star with DT12 is doing the same. A friend of mine has software for troubleshooting, we did a transmission and clutch relearn but...
No, haven't resolved it yet. Still searching for answers before I take it to stealership.
My transmission revs up between even to odd gear shifts, 4-5, 6-7, 8-9,-10-11. It downshifts just fine. I have changed from econ. mode to...
On the driver's side of engine, there is about a 3/4 black plastic line running from near top of engine to air compressor. There is also a short...
Call Mike Beckett at MD alignment out. He can tell you exactly what is wrong.
I have added the long angles on my axle. It seems to have worked so far. Ran out of daylight and didn't add the short angles. I have 146500 miles...
Is it an auto and in neutral?
If your truck is a 2014 - 2016, it will probably need a split pin bushing. That was a problem with early DT12.
Pittsburgh Power has a box you can add to increase hp and torque. Costs close to 3000 dollars though.
I think you would use a 179 deduction where you depreciate all of the amount the year you bought it at that small amount.