Thanks for your continuous response. This's where I'm now, when I disconnected the vacuum line (black line ) coming from the HVAC system to the Blake booster connecter, (vacuum check valve?), With a finger placed over the booster hose, my finger get sucked -in by the Blake booster side, but not from HVAC line side.
You said "From the brake booster, there must be vacuum going to the HVAC system.
Why then the blake booster line is sucking air inside the booster but not pushing air/vacuum to the HVAC system? Is the blake booster suppose to work like that?
If it's designed to work like that, then there is vacuum there at blake booster?
Could this issue be also some kind of electrical, perhaps the heater---A/C control switch, since the cigarette lighter also has stop working?
Thursday, June 27th, 2013 AT 8:00 AM