Allison 748 trans fluid change procedure

[Scott & Heather]

I've been reading. Apparently you keep it locked by driving style. But I am kind of interested in a manual lock...I've heard of people doing a manual lockout with the 740. Can this be done with the 748?


Sent from my iPhone using Tapatalk Pro

[luvrbus]

Lock the converter with the shift pad,the converters generate the heat not the transmission it's self .The HTB 758 you have is nothing special it is the same as a 740 with the exception the valve body has 5 solenoids to guide the fluid path.
It locks up automatic in every gear at certain speeds but 1st just use the pad to shift it.The HTB 748 was made for buses HTB Hyd Transmission and B stands for brake (retarder).

I personally don't care for the golden juice lol that is a good name for Transyd in the 700 series now it is going to cost you again to achieve the high miles changing intervals they boast about but hey if you like it and can afford go for it.Transyd is good stuff I am not going to use Transyd in my B500 the years will catch me before the miles on changes        

[Scott & Heather]

It was a hit to the AMEX card, but on the bright side, I'll sleep better knowing that my trans fluid keeps my tranny cooler, shifts slick, and solves world hunger. lol. Ok, thanks for the tips on keeping it in lockup.


Sent from my iPhone using Tapatalk Pro

[lostagain]

I switched to 15W40 a couple of years ago. Runs cooler and shifts smoother. The manual recommends it.

JC

[Utahclaimjumper]

  Amsoil also makes a transynd look alike that meets spec TES295 and works as well,,,at a much lower price.>>>Dan

[Scott & Heather]

Now you tell me lol. Thanks Dan! Let me just throw in that some of you guys spend twice as much on tires as I do as I'm comfortable with Chinese tires as long as they are new and DOT approved....what I've saved on just 3 or 4 tires I've spent on my TranSynd fluid/filter rr. So it all washes lol


Sent from my iPhone using Tapatalk Pro