Allison 3000 transmission
Just had the oil and filters changed on my Allison tranny. Coach has 105K/miles on it. In answer to how long it should last before a 5K rebuild will have to be done the owner said most likely in anot...
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flagstickfrank wrote:
Just for information, I have a 2000 Itasca horizon with an Allison 3000 Freightliner change the fluid to Transyn without my knowledge. It would barely move, you would swear it needed a new transmission I took it back flushed out the transmission put the older style fluid in and it works perfect and has for over 80,000 miles. so beware of changing to synthetic on the older models.
Interesting. Never heard of that. Allison has recommended upgrading to Transynd in older transmissions since Transynd's introduction. Did that in our 1993, 1997 and 2003 3000 series transmissions with no ill effects.
