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LMTV brake control valves

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Bill Pfeiffer

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Hi folks, my fire department has a '97 LMTV converted to a brush truck and both of the dash mounted brake control valves are leaking up through the shaft seal. What is a good, inexpensive source for replacements? Thanks!
 
M

MugOfPaul

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Portland, OR
ebay.us

USGI FMTV Haldex N4400T Dash Mount Trailer Supply Tractor Park Air Manifold | eBay

Find many great new & used options and get the best deals for USGI FMTV Haldex N4400T Dash Mount Trailer Supply Tractor Park Air Manifold at the best online prices at eBay! Free shipping for many products!
ebay.us

First one I bought from this seller had a weird defect (leak at the casting seam) and he promptly refunded. Second one I got from him was perfect.
 
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GeneralDisorder

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What Paul posted above but being a '97 you will have to build an adapter plate for the new style combo valve or find the older individual valves to replace what was used on the old A0 trucks like yours. And the plumbing is a little different if you adapt. Just label your lines and trace things carefully.
 
B

Bill Pfeiffer

New member
14
8
3
Location
Greenville FL
MugOfPaul said:
ebay.us

USGI FMTV Haldex N4400T Dash Mount Trailer Supply Tractor Park Air Manifold | eBay

Find many great new & used options and get the best deals for USGI FMTV Haldex N4400T Dash Mount Trailer Supply Tractor Park Air Manifold at the best online prices at eBay! Free shipping for many products!
ebay.us

First one I bought from this seller had a weird defect (leak at the casting seam) and he promptly refunded. Second one I got from him was perfect.
Click to expand...
Thanks, but the lmtv uses 2 separate valves that mount to holes on a dash panel. I'm looking for the direct replacement...
 
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GeneralDisorder

Well-known member
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Fundamentally no it works the same. It just eliminates the lines that connect the two valves together since those are now internal to the manifold they are both a part of. In addition you can delete the bulkhead vent line in favor of a sintered brass exhaust filter as was done on the A1R FMTV.
 
hike

hike

—realizing each day
Steel Soldiers Supporter
678
983
93
Location
Texas Hill Country
If I recall correctly the new dual unit requires a new/revised mount plate: the holes are spaced differently?

Our local Napa had the old versions when we replaced ours—

IMG_4882.jpeg
 
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GeneralDisorder

Well-known member
2,793
6,524
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Location
Portland, OR
You can just modify the plate. Basically cut out a rectangle and drill four holes. Trivial.

The modern component is now typically about $50 surplus on the usual marketplaces. Worth it to upgrade IMO. Now much more common - used on almost everything with air brakes.
 
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