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Picture of my airpack This is what mine looked upon removal and a little cleanup. Left side of picture is front of truck.

4X4, I didn't really rebuild it. When I took it apart it was full of funny globules of oil and grease but I could not find any bad seals, felts, weak springs, etc. For me it was just a thorough cleaning and then put it back together, no new parts. The kitchen counter will be a mess but you can...

Was curious because when I bled my brakes I didn't get any purple. The sticker on the underside of the master cyl. access had a sticker that said only to use silicone so I figuered the Mil. stuff was the brownish/yellow and not purple like the civvie stuff.

Well, just back from a test drive down the steepest hill I could find close to home and I am happy to report that the brakes work great!!!!

Can anyone tell me if the Mil. DOT5 brake fluid is purple like the civvie DOT5 is?

Thanks Bjorn, it's legible

Any chance of getting a good reproduceable copy of the airpack vent upgrade into yhe Tech Articles section?

Maybe this is what happened Perhaps this explains all the globules of stuff in the various chambers of the airpack.

Perfect Bjorn, thanks much. I took everything out from the other end and I believe that each cup can be put in from the appropriate end so no danger of rolling over. No parts missing so back together she goes as all o-rings, cups etc. are good and everything is all clean. Thank you very much...

Bjorn, Help!!! I was cleaning the sub-master cylinder portion of the unit and you guessed it, one cup, a double coil spring retainer cup, (for lack of anything better to call it), and two long coil springs, one inside the other took off accross the room before I could grab them. As they flew by...

:lol: Will be going back together today with cups facing right way. Took notes and pics. Added two pics to my previous post.

Tear down successful. No broken, bent or otherwise trashed parts. No rust, no pitting, no scoring on the main chamber walls. Nothing seemed jammed or immoveable but when one takes things apart they never are. LOTS AND LOTS of grease globules everywhere. Must have been oil and grease that ended...

I drained the tanks to see if the brakes would release, they didn't. Didn't know about opening the rear glad hand. Anyway, it's out and on the bench. I have a TM that tells me how to R&R it but I don't think I have an exploded diagram for it. But I'm still looking. Will let you know how it goes...

Air pack rebuild time. Damn, just lubed it not long ago. Presume the whole unit must come out. Does just pulling the end plate give access to what needs fixing even though it will be awkward working on it? Or just pull the whole thing and go through the brake fluid portion on the front of it...