Having problems with your 1999 Chevrolet Astro ?

AIR CNDITIONG PROBLEM

\015 My air conditioning will not switch from defrosters to vents i have been told it is a vacuum line but do not know where to look for it\015 Posted / edited by AnonymousUser on : 19-06-2017

Answers :

I verified that I have a couple vacuum lines open. One is a thin hard line 1/8" diameter and the other one is soft about 1/4" diameter. The thin one is very brittle and the larger one is mushy and deteriorated. This was good information and I believe it will assist me in finding the problem and hopefully fixing it. Thank you.
Ok defenetely its the vacuum line open the hood on the left side where the heater hose go inside the van the vacuum line black plastic hose follow ityou gonna see its broken in front of throttle body from where it broken to the back the hose have to be change because if you try to put another hose over it the hose will breakto mush heat and our gonna be ******** there not to mush room engine cool you gonna make it it fix so many of those thing 2 just this week
\015\012HOPE IT HELP FIXYA OUR POST TAKE OUR TIME
PIERRE
Repair Help & Product Troubleshooting for 1999 Chevrolet Astro

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