AUTOMATIC TRANSMISSION PROBLEMS

My father has a auto eaton fuller just like you. The dealer before selling it to him checked and replaced some air hoses that went into the auto make sure their are no air leaks. Also if you have the money why not switch it to manual? In the usa its about $4-5k job with a used transmission. See which one will save you money i heard fixing a auto can cost a lot of money. I wish you luck

 

that's what I would do. autos are covenant but standers are more reliable. and less costly

 

I had the same issue with mine 2 years ago it was an $39 Solenoid on top of the transmission. Call eaton fuller support line and they will ask you for the vin# of the truck an they will walk you through the manual codes on your truck and give you the website for the diagram. It took me about 9 hours ( removing the seats and bottom dashboard to access the floor)all for an 10 min pull out and pop in sensor.

 

I have a 2009 Peterbilt, Isx 60 Cummins, eaton fuller ultrashift self adjusting 10 sp, with a bypassed DPF. It started slipping whenever going in 9th and 10th gear(more like losing RPMs whenever upshifting), quite random-sometimes in 9th other times in 10th. I took it to a mechanic, who decided the clutch was at fault. Now I am in a dilemma: the original engine has 450 hp, but with bypassing the DPF, it now has 500 hp, so should I order a clutch for 450 hp engine or for 500 hp engine?

 

Ultrashift only uses one specific clutch. No choice.

 

First thing I would do is crawl under your truck and squeeze between the frame and driveshaft to look on top of the transmission. listen for any air leaks and look at the solenoid on top rear or transmission to see if it's wet around there.

Wiggle the plugs for the wiring haeness and make sure they are in snug. unplug and inspect them if possible.

Sometimes moisture can get into one of the electrical plugs and cause it to stay in N.

 

I changed my clutch in my 2005 Pete and I can’t get it to come out of neutral it just blinks and beeps the only code I get is 25 which means no codes win I start it the motor reves up three times

 

You probably have power problems to the trans. Check the wiring harness from your batteries to the transmission.