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As I go thru the truck doing PM's, more things are cropping up that have to be fixed. The front shuttle valves wouldn't let air get past them due to the diaphragms being blown out. Now that the shuttle valves are working as designed, the components down the line are showing up as defective...

I thank the Lord every day for letting me have another one on this side of the grass, my brother after me died in 1988 @ 30 from brain cancer.......

I spent Father's Day changing out the air brake shuttle valves under the Drivers side with new ones as the truck would not build air past 60 psi on the rear brakes & 0 on the front brakes. After knocking off all the mud dabber nests, I found a loose bolt(backed out 1/4") on the injector pump...

I have all the parts I ordered last week delivered this morning. Now I can tackle the air leaking problems head on with repair parts in hand. Thanks for the online source!

Thanks for the help, order is placed for replacement valves & repair kits. Thanks for the help & explanations of the parts & where to order them from! You just stomped my local NAPA as far as being helpful on this brake repair job. I had to order an exhaust pipe clamp from them that goes under...

What is the difference between the Haldex KN25061 & the KN25060 shuttle valves.......you quoted both in this thread. Which one is correct?

It also depends on which sales guy you are talking to, some are very helpful & some are........you want parts for that ole army truck, ain't available any where or any more...sorry! They flat said that there is no stock anywhere including the manufacturer.

NAPA has listings for all of the Haldex valves & repair kits, but no available stock anywhere according to my local NAPA store! What is plan "B" for those of us with an airbrake issue with these valves?