Factory Air Pressure Gauge - The 1947 - Present Chevrolet & GMC Truck Message Board Network

palallin · 09-02-2002, 09:52 AM

Thanks to HYPERMAN, I have a factory Air Pressure Gauge to install. Does anybody know anything about them? The reason I ask is that there is a wad of fiber of some kind in the orifice that doesn't want to come out. Is it supposed to be there? I haven't tried really hard to remove in case it is actualy part of the mechanism.

One more question: does anybody happen to know what fitting--size/type--that connects to it. I don't want to have to carry the gauge to the hardware store if I can help it.

Thanks!

*Gee_Emm* · 09-02-2002, 10:02 AM

Mine has the stuff in there too so.....

I had an awful time trying to find a fitting for my vacuum guage, i dont know if the threads are the same size as the airpressure guage though.

Rod · 09-02-2002, 11:35 PM

That wad is suppose to be there, its a filter.

Russ72C10 · 09-03-2002, 12:10 AM

My '72 has a factory air pressure gauge in it. Not hooked up to anything though. I've been wondering.... what does it monitor?

*Gee_Emm* · 09-03-2002, 12:23 AM

The gauge was used in trucks that have air brakes. If it is in your half ton then someone had added it somewhere along the line. Some people like them to use with their airbag setups in their trucks.

Duallie · 09-03-2002, 01:29 AM

If I remember correctly, it was an 1/8" npt connection into the back of the gauge.

09-02-2002, 09:52 AM	#1
palallin Registered User Join Date: Jul 2002 Location: St. James, MO Posts: 1,238	Factory Air Pressure Gauge Thanks to HYPERMAN, I have a factory Air Pressure Gauge to install. Does anybody know anything about them? The reason I ask is that there is a wad of fiber of some kind in the orifice that doesn't want to come out. Is it supposed to be there? I haven't tried really hard to remove in case it is actualy part of the mechanism. One more question: does anybody happen to know what fitting--size/type--that connects to it. I don't want to have to carry the gauge to the hardware store if I can help it. Thanks! __________________ '69 Longstep K-10: 327/SM465/T-221/Closed Knuckle Dana44/12-bolt.

09-02-2002, 11:35 PM	#3
Rod Join Date: Dec 1999 Location: Eastern - Manitoba Canada, Winnipeg Posts: 4,369	That wad is suppose to be there, its a filter. __________________ Senior active founding member. 70 3/4 ton GMC Suburban 4x4 250/4 spd. 71 1/2 ton Suburban Chevy 4x4, 350/350 72 Chev 1 ton tow truck 402BB w/Holmes 440 wrecker on propane 2005 FLSTSCI Harley Springer 85 FXSB Harley Lowrider 72 Triumph 650 Bonneville 5spd "Poor people don't have hobbies" Quote from wife.

09-03-2002, 12:10 AM	#4
Russ72C10 Four Wheeler Join Date: Jul 2002 Location: Decatur, IL Posts: 101	My '72 has a factory air pressure gauge in it. Not hooked up to anything though. I've been wondering.... what does it monitor? __________________ '84 K20 4x4 350 V8 - Weiand intake - Headers - 4" Tuff Country lift - 35x12.50 ProComp M/Ts on 15x10s

09-03-2002, 01:29 AM	#6
Duallie Registered User Join Date: Feb 2001 Location: Nikiski, Alaska Posts: 477	If I remember correctly, it was an 1/8" npt connection into the back of the gauge. __________________ Just as if I knew what I was doin'

09-02-2002, 10:02 AM	#2
Gee_Emm Account Suspended Join Date: Sep 2000 Posts: 3,991	Mine has the stuff in there too so..... I had an awful time trying to find a fitting for my vacuum guage, i dont know if the threads are the same size as the airpressure guage though.

09-03-2002, 12:23 AM	#5
Gee_Emm Account Suspended Join Date: Sep 2000 Posts: 3,991	The gauge was used in trucks that have air brakes. If it is in your half ton then someone had added it somewhere along the line. Some people like them to use with their airbag setups in their trucks.



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