98 ford mustang ........air conditioner only blows out the defrost vent..........why?
2006-08-22 04:04:43 · 9 answers · asked by caseyvc 2 in Cars & Transportation ➔ Maintenance & Repairs
because you have lost vacuum into the hvac unit. its a default position in you lose vacuum, it blows out the defrost, check your vacuum canaster under the hood and follow the vacuum lines from there, make sure its still hooked to the engine and then goes into the vehicle. after that its either gonna be the switch or a vacuum loss
2006-08-22 06:51:51 · answer #1 · answered by Christian 7 · 0⤊ 0⤋
possibly a vacuum leak for the supply vacuum to a/c-heater control or a leaking vacuum actuator. If the mode door has an electrical actuator it could be the actuator itself. The mode door is spring loaded in the defrost position, or thats were the air is routed in case of failure.
2006-08-22 04:15:02 · answer #2 · answered by wright works 2 · 0⤊ 0⤋
Because the vacuum line to the damper is off
Uses vacuum to move the damper position
2006-08-22 04:12:52 · answer #3 · answered by Anonymous · 0⤊ 0⤋
It could be a vacume line,i had a car that did that to and that is what it was,call your Ford dealer and ask a tech what he thinks to,because it's hard to be 100% sure.
2006-08-22 04:12:15 · answer #4 · answered by Anonymous · 0⤊ 0⤋
You have a vacuum line that is broke or came off the evaporator housing look there!
2006-08-22 04:13:25 · answer #5 · answered by rookie 3 · 0⤊ 0⤋
I really don't know Advice you to visit a car workshop
2006-08-22 04:12:42 · answer #6 · answered by Anonymous · 0⤊ 0⤋
sounds like your control switch is bad or your duct flap is stuck
2006-08-22 04:12:35 · answer #7 · answered by turner32542 3 · 0⤊ 0⤋
because it's an old car
2006-08-22 04:11:31 · answer #8 · answered by ~Hayley~ 1 · 0⤊ 0⤋
please let me know the question properly .
2006-08-22 04:12:39 · answer #9 · answered by Anonymous · 0⤊ 0⤋