Search results

Here's a few pictures

Yes that's what I did to mine and I got my rpms up to 2300 but I still have to lift to shift past 3rd I'm thinking I just need to change the internal filter as I've already changed the external one. I'm considering taking it to and Allison approved truck shop to have the fluid changed over to dexIII

How did you adjust the shift modulator?

I have completely serviced the truck new filters all around, and in nuteral I'm still only hitting 2000 rpms so I'm sure. Need to adjust the governer.

UPDATE: yes I was counting the converter lock up as a shift the only gear I have to lift for now is 3 after the converter locks up then I can use the shift lever to get in to 4th and 5th while getting to a top speed of 58 mph. I still need to tweak the shift modulator to get it to do it on its...

Update UPDATE: I manually move the throttle lever on the injection pump and had soldier B watch the gauge and it still only hit 2000 rpms at full throttle is there a way to adjust this to gain the few hundred more rpms that I need? Is there a bad spring in the governor?

well I've been told that my shift modulator has gone bad and needs replaced and I heard that setting the shift points are a nightmare and is recommended to have an Allison dealer do it. I'm pretty sure I'm counting 5 gear changes I confirmed this by start in 1-3 then moving to 1-4 then 1-5. I...

My 925a2 will not shift by its self past 3rd gear. I have to let off the throttle to get it to shift past 3rd gear. When I finally get it in to 5th it won't go over 45 mph and no it's not in 6 wheel drive. My rpms never seem to go over 2k but I know it should go to 2200 rpm. The fluid seems to...