Quote:
Originally Posted by booker_noe
Hi Guys great thread -
can anyone give me a heads hup why I cant dial down the temp (I got dual zone temp - two dials), get constant hot air from vents.
where to start checking ??
A/C compressor fires up nicely, pipes get cold, but mixes with hot air in vents  |
Sounds like either an electrical issue (duo valve not receiving electrical signal), or a failed duo valve allowing hot coolant into the heater core when it's not supposed to. You'll have to do some deeper investigation.
