There is not an approved method for flushing the transmission itself,You can however flush the transmission cooler, "Manditory when the transmission is replaced". Pall makes an Allison approved cooler flusher,they are very expensive though.
Allisontech
Allison Transmission was created in 1915.
Allison transmission not shifting
To do a transmission flush, first read the manual to your car. You will find out when you will need to do a transmission flush and how to do a flush.
No, it's just the case.
Transmission flush is really good for your car. A transmission flush is a mixture of oil and transmission fluid which allows your transmission to run really smoothly.
Allison doesn't make an 18 speed transmission.
Allison Transynd
what type automatic transmission fluid for Allison at 545 ? I would suggest using Allison Transynd, "synthetic fluid" allisontech
Type your answer here... My Allison transmission will only down shift, whats wrong with it?
There are no bands on the Allison transmission- never have been, past or present models for any application
Drain it into a toilet and flush it
You fill the transmission through the dipstick