Did your mechaninc perform the air mix cable adjustment? If he refuses to perform the adjustment, time to get a new mechanic.
Apart from the air mix cable, the other cable to adjust would be the heater valve cable.
System is not automatic climate control so apart from the above mentioned, there is no other things that can affect the temperature as the rear are blowing cold indicating the A/C system is not at fault.
The orther possible fault would be the air mix door sponge has deteriorated and is not providing sufficient sealing when closed. Repair would require the heater housing to be removed and that means taking the whole dash out.
Sunday, August 22nd, 2010 AT 12:03 PM