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Old 03-09-2020, 04:08 PM   #85
hatzie's Avatar
Join Date: Oct 2008
Location: Wentworth, NH
Posts: 4,479
Re: Hatzies 2005 2500HD

I fixed the truck this afternoon. The interesting thing is the money light went out instantly when the electrical connection to the new valve was installed.

There are two vent valves that could be installed.

My truck still had the factory GM single hose barb valve. I bought a $30 NAPA Echlin 2-282567. It's made in the USA... will wonders never cease.

You can install either valve type on your rig. The $100 two barb valve with remote air intake box and filter is part of GM TSB 02-06-04-037J for extremely dusty driving conditions.
If you drive mostly paved roads you can fit the less expensive valve.

The terminals in my vent valve plug were corroded away so I clipped it off right at the connector and replaced it using my wire-stripper, crimp tools, and new connector parts. I wiped Sil-Glyde on the terminals and connector seals with a plumbers flux brush.

Mouser Electronics kindly provided me the following pieces along with some other terminals, connectors, and seals for my tackle box bins in exchange for money. I believe it was just over the $25 minimum for cheap shipping. I usually have one of these in the terminal parts bins, since it's a common failure part, but I got caught with my pants down.
1. 12052643 Metripak 150 Two position Vent Valve plug. This can usually be re-used but the seal on mine was knackered and it was filled with white, green, and brown corrosion. Not a good home for new terminals.
1. 12052634 Metripak 150 Two position Terminal Position Lock. This can sometimes be re-used but mine was cracked.
2. 15324982 Green Delphi Metripak/Weatherpak Wire Seal.
2. 12084200 Female Metripak 150 tin plated terminals 18-20awg.
This is some of my haul but not everything...
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I use two Plano 787 tackle boxes with six individually closed plastic compartment bins for the more commonly used terminals, connectors, and seals. Not my original idea. I saw how the girlfriend keeps the beads sewing bits and bobs and other stuff organized and I stole her idear. The top tray has my strippers, and my commonly used crimping tools in oiled denim sleeves made for me from old pantlegs. I have several other plastic compartment bins from the craft and fishing aisles for my less commonly used terminals.
1959 M35A2 LDT465-1D SOLD
1967 Dodge W200 B383, NP420/NP201 SOLD
1969 Dodge Polara 500 B383, A833 SOLD
1972 Ford F250 FE390, NP435/NP205 SOLD
1976 Chevy K20, 6.5L, NV4500/NP208 SOLD
1986 M1008 CUCV SOLD
2000 GMC C2500, TD6.5L, NV4500
2005 Chevy Silverado LS 2500HD 6.0L 4L80E/NP263
2009 Impala SS LS4 V8

RTFM... GM Parts Books, GM Schematics, GM service manuals, and GM training materials...Please include at least the year and model in your threads. It'll be easier to answer your questions.
And please let us know if and how your repairs were successful.

Last edited by hatzie; 04-21-2020 at 08:10 PM.
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