Chevrolet-Astro - AC/Heat Vacuum line diagram
Jeri (74.247.50.2) - Fri Aug 7 10:00:38 2009
Can someone show me where the vacuum lines from the AC/Heat control goes. Do not have a clue where it gets plugged in at.
Reply #1 DH (65.189.251.168) - Sun Oct 11 10:17:17 2009
I am not a mechanic but played around with one vacuum line that does give you vacuum to the system. From a driving position, one vacuum line runs from the left rear top of engine (reachable with removed inside cowl) to behind the right headlamp. This line runs across the engine (why GM did this??). It dries out cracks and poof goes your vacuum. I found using a standard vacuum line (over each end seemed to work fairly well if you don't want to fight with the newer thin lines. There are others lines but you might check this often faulty one first.
Reply #2 D.Jayachandra babu (202.144.30.60) - Thu Nov 12 01:44:04 2009
shematic diagram of car airconditioners and explain about each parts working principle.
Reply #3 Swedish Astro owner (213.114.55.157) - Wed Nov 18 02:36:59 2009
Hi guysI have the same problem with vaccum line from AC/heat control. Could somebody take a pic of that hose and send it to me. I´m very confused here. /Chris
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