Dacker, take the arm of the vacuum control motor off of the blue lever. That should give you cold air. Then troubleshoot as follows: the problem in your case appears to be the vacuum to the rear A/C. I would check 2 things: one, the switch (on front dash) that controls the rear A/C; & two, the vacuum control motor itself. Otherwise, during WINTERS, put the arm back on to get heat and during SUMMERS, take it off again. The test you did on undercarriage indicates your evaporator core is fine. HTH.
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Originally Posted by dacker  ....... But I was still able to push down the blue lever and get it to switch over, over course it popped right back up, but at least it's blowing cool air out of the vents........ |
