What valve are you talking about? The only "blow-off" valve is on the receiver / drier for the air conditioning system. That's under the hood and it won't cause a smell. The fix is to replace the drier and figure out why the high-side pressure went up too high, then have the system recharged. One possible cause is debris in the condenser preventing proper heat removal from the refrigerant.
Saturday, December 26th, 2009 AT 1:16 AM