1993 Audi 90 "diagnose vent problems" Questions

...vent cables are disconcted and I have no de frost it is a vacuum hose that is disconnected. if you can find the hoses under the dash you can see what is disconnected. You can also purchase a Haynes ...

...diagnose the problem, just as you do with all vehicle problems Could be the system has leaks, that have to be repaired That is 90% of all A/C problems If the question- whatever it is- has to do with ...

...vent doors inside of heating and ac/ ducts was broke .... had to take the whole dash apart to fix ... u need to have it checked by a respectible mechanic ... depends on ur yr and make of car  on ...

...the vents.The cold/heat controls do not control the ac air at all.Please help.Auto zone could not diagnose the problem. Sounds like a blend door problem under the

please rate EVAP Canister Vent Solenoid I personnally do not like to refer to any vehicle issues, as most common,because you need to diagnose every problem & resolve the correct way, common or not

...blend doors direct air thru the vents and also control temp. You may need a shop manual to diagnose the actual problem and repair

venting problem won't take it;s gas properly Have EVAP System diagnosed and repaired. Vent valve one of many components in system, have to have checked out by knowlegable person

ac doesn't blow out of vents Work on diagnosing HVAC Vent Motors, under the dash,doesn't matter if your on heat or a/c, same problem Most likely only one failed & you will know which position the ...

climate control stuck in defrost/floor vents Fan works fine, but no matter where I put the selector (ac/dash, vent/dash, heat) the air only comes out through the windshield defroster vents and the ...

...AC vacuum motor, faulty AC programmer,etc. needs to be checked out by a good Tech, diagnosed and estimate on repair. As far as vehicle only blowing cool air, issue could be blend