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Soni, Thanks!!!

Great job!!! good work on the detail.

I have a M939 truck that the rear of the transmission is leaking oil. I found the seal P/N, but can not find any threads that are talking about replacing it. Has anyone replace one and how bad or hard is it to do?

Glad you had a good trip and no problems!!!

I have removed all the axle vents from all my truck and installed a central line that end up on the firewall.See post #14 http://www.steelsoldiers.com/showthread.php?150342-Rear-inner-hub-seal-on-M931A1/page2

Sorry I did not get to meet with you in Phoenix, But glad you made it home ok!!!

Here is a thread that we talked about it. Sorry the pics are not that good. http://www.steelsoldiers.com/showthread.php?125848-Leaky-wheel-seals-caused-by-axle-vents&highlight=vent

I will go $399.99

We here in AZ are ready if needed.

Also you need to check your little vents on top of each of the axles to make sure they are clear. I installed a central line to each axle then run it up to the fire wall.

Welcome to the site!! The site has all the TM's you need to find the p/n and how to fix things. But to me it looks like your inner and other seal has failed and your bearings has had all the grease washed out of them. The bearings in these trucks use grease not oil for the lube on the...

Yea!!! Good Job!!

A high idle can some times help.

That is the only one I can think of in March.

Does it have the right size shift for the stock pulley?

Just take it off and get it rebuilt.

Wet Stacking, You need to drive it and get it up to temp. Helps to get the RPM's up when shifting.Wet stacking is a condition in diesel engines in which not all the fuel is burned and passes on into the exhaust side of the turbocharger and on into the exhaust system.

Have a safe one!!!

Sounds like you have an air leak in a hose or the fuel filter. Maybe the pickup tube in the tank. After you get it started does it idle OK or is the rpm's up and down?Also the part number you show is not for the NHC250. I would just get that pump rebuilt if it turns out to be the pump.

Here is a Video of Lynne and I leaving the show Sunday afternoon. It was a great show.https://youtu.be/l891SbCVkzg