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02-06-2016, 03:43 PM
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#10 |
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Old member
Join Date: Jan 2002
Location: MURRELS INLET, S.C. U.S.A
Posts: 19,972
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Re: Need some ac/heater help
Taking the hose off the water valve and put your finger over it to see if it pulls on it are not. The 3 port was for 71 model trucks and up. The port on the bottom of the picture is the water valve. The center one from motor vacuum and top goes to each of the flappers outside closes with vacuum inside opens with vacuum.
Checkout the new picture it's highlited! 
__________________
1971 LWB Custom, 6.0LS & 4L80E, Speedhut.com GPS speedometer & gauges with A/C. 20" Boss 338's Grey wheels 4 wheel disc brakes. My Driver Seeing the USA in a 71 Upstate SC GM Truck Club 2013,14 and 2016 Hot Rod Pour Tour http://upstategmtrucks.com/ Get out and drive the truck this summer and have some fun! It sucks not being able to hear! LWB trucks rule, if you don't think so measure your SWB! After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs. |
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