Have not changed the filter yet.
IMO you must flush the heck out of every and all components of the cooling system.
I flushed through every hose in all directions with a garden hose. (Radiator/heater core/block, etc.)
Ran with just water and flushed again until clear. Then a complete drain and...
The torque valves are scarce and reflected in the price if you can find one.
I introduced a significant amount of air tool oil into the air side with
front of the truck on jack stands. Turning the wheels back and forth.
I started with nothing but now have something. I also oil, regularly...
The air assist system is just that. It assists.
You should still be able to drive it even if the system is not functioning properly or at all.
Turning the wheels while at a stop will be very difficult, for some impossible.
Even when the system is working fine it is just an assist. It will never...
What temperatures are you guys seeing on your 1545s?
Mine is still 15w40 and even after an hours drive with outside temps at 50
I'm only seeing 135 or so degrees on the gauge and verified with an infrared temp gun.
I can heat it up to 180 or so if I spend some time climbing hills or driving...
Thanks for the response, Rusty.
Looked thru TMs for answers, but I have a hard time navigating thru them.
I do have an ATF dispenser (gun) fed from a 110 gal tank. (Own/operate a quick lube).
The tank is filled with a multi veh full syn ATF. (Specd for Allison / Allison (C-4 / TES-295 /...
I am planning on doing the MO to ATF conversion on my Allison 1545. I will introduce the ATF thru the check/fill tube. In order to insure a complete and thorough flush what would be the best point to disconnect the flow circuit so that the entire trans and cooling system are flushed. I’m...
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