Brake issues....

[welldigger]

I dont mean mean to sound stupid, but on the short style pack like i have i have not seen a plug any hwere on it. I know there is one on the long style, just not on the short.

There isn't a plug on the short style.

 

[Jeepsinker]

Yeah got it. I keep forgetting he has the short style.

 

[welldigger]

There's a plunger under that triangular cover. I remember someone posted that they put it in backwards and that caused the air pack to act up. God I'm trying to remember what thread that was.

 

[stanky johanson]

Is there an exploded view of the new style pack??? I am really hoping this is an assembly issue from my own hands.

 

[welldigger]

I think rustystud has a hard copy of the short ap tm.

Paging rustystud. You have a call on line 1.

 

[Jeepsinker]

Interestingly enough, I don't hear air blow off when I work my brakes. Mine seem to work ok.

 

[welldigger]

You can clearly hear mine vent the air. But if your air pack isn't providing brake boost you will know.

 

[rustystud]

Sorry to be late to the party. Stanky, have you checked the rod that pushes into the master cylinder ? It can become dislodged and hung-up on the lip of the master cylinder. As far as the short style air-pac goes I'll post some pictures for you.

 

[stanky johanson]

Thank you for the pics, im fixing to re pull my air pack, break it back down and tack pictures of how i have it assmbled. i am really confursed on this one.

 

[jetman10]

Like I said earlier, the truck had perfect brakes with a solid pedal and not much travel . Which leads me to believe that the brake shoe adjustment was ok . Just no air assist . When I bobbed it I replaced all wheel cylinders and checked the shoe adjustment , everything was fine . And, per TM, I started with the pac first with a pressure bleeder . I haven't touched it for awhile , lost a little interest .

 

[Jeepsinker]

Easy to lose interest when you aren't making any progress.

 

[stanky johanson]

https://www.youtube.com/watch?v=vJ5L4A0Qw8Q&list=UUoV3V2hm9goGGVULpjxMjpA

 

[stanky johanson]

http://imgur.com/J38v7DH

 

[stanky johanson]

how i have the air pack assembled

 

[jetman10]

Mine is exactly like Stanky's . Road tested on a back road , ( luckily ) had brakes but no assist . Just like a power brake car with the engine off . Solid pedal . So, it has to be in the pac . I rebuilt the original with a kit and instructions from SS . No brakes at all . Replaced it with a NOS pac from Deleware . No brakes at all. I plumbed in a shut-off and air chuck fitting so I don't have to run the engine inside . My air runs down after a few days . It's pretty cold up here in the pine tree state ! I've also have to check the air passage to the pac .( All new wheel cylinders ) .

 

[jetman10]

With mine, I have never heard the hiss, only on my steering .

 

[rustystud]

------Stanky, after looking at your picture I see you installed the check-valve upside down. The brass piston should be able to unseat the check-valve when it is applied.

 

[stanky johanson]

in my haste to take a picture i did swap the two parts by accident, but with the pack assembled in the correct way it still has the issue. just building the air valve assembly, i tested it with compressed air, moving the brass piston upwards to open the check valve.

 

[rustystud]

Did you ever check to see if the Master cylinder push-rod was hanging up on the outside of the housing ? The rod can come out of the socket in the piston real easy.

 

[stanky johanson]

Yes I did. As horrible as this sounds; I havent had a good challenging project in a while. Im that ****ed up in the head to enjoy this type of stuff.