91 Burb A/C: Do I have 2 systems? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

iluvmy72 · 10-28-2009, 10:08 PM

I have the rear A/C in my 91 burb....do I have 2 systems?...how does this work?

Daggar · 10-28-2009, 10:36 PM

No you don't have 2 seperate systems. The rear system works off the front syste. If you want the rear A/C to work you need to have the A/C on in the front. Otherwise if you just run the rear A/C with the front system off you will just blow the air in the back around.

10-28-2009, 10:08 PM	#1
iluvmy72 Registered User Join Date: Jan 2002 Location: Springville, UT, USA Posts: 1,010	91 Burb A/C: Do I have 2 systems? I have the rear A/C in my 91 burb....do I have 2 systems?...how does this work?

10-28-2009, 10:36 PM	#2
Daggar Registered User Join Date: May 2007 Location: Calgary, Alberta, Canada Posts: 42	Re: 91 Burb A/C: Do I have 2 systems? No you don't have 2 seperate systems. The rear system works off the front syste. If you want the rear A/C to work you need to have the A/C on in the front. Otherwise if you just run the rear A/C with the front system off you will just blow the air in the back around. __________________ 1999 Chevrolet Suburban 2500 4x4 - 454, 4L80E and lots of other fun options 1967 Chevrolet C10 Longbox Stepside - Restored 1991 Chevrolet Suburban 2500 4x4 - 350, 4L80E - Not dead but severly crippled 1987 GMC Suburban 1500 - Now some retired guy's trailer hauler 1992 Lumina Z34 - I'll miss that PITA



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