[s-cars] AC and Coolant reservoir Q's

[riff944 at cox.net]

Hi S-car d00ds-

Two, hopefully, quick questions:
1.  With the AC, I tried mine recently, but it did not blow especially cold air.  Had the climate control turned to LO, granted the outside temp was only 60*F, but still it was not cold.  Any chance there is an interior temp sensor that would not allow it to blow too cold?

Another note on this, when the "shop" recently did my t-belt, they needed to drain/re-fill my AC.  They also said they had a problem re-filling the refrigerant.  I do not remember reading anywhere that you need to purge the AC system when doing the t-belt.  

2.  Car is spilling a little coolant.  Opened the hood yesterday after the ride home.  There was some coolant blowing (spitting actually) past the hose clamp on the return line to the reservoir.  The clamp was on tightly and I believe that the nipple there is free of damage, though I did not remove to confirm.  Provided the fitting is OK, I take this to mean that the reservoir vent cap is no longer funcitoning?  Is this piece dealer only???

TIA,
Riff