1997 mercury grand marque /no heat just cold air?

Ford had a problem with their blend door not opening, or even sometimes breaking off at the

lever, under the dash.Try moving the blend door lever down,if that doesn't produce hot air,

move it up,that should do it !

Are the hoses going into your car hot that supposedly carry the hot water. Once you've ascertained that these are warm you need to start researching some documentation, I personally have purchased a copy of alldata.com and that gives all the information I need to troubleshoot my car.

persist with steer clean of guy's suggestion, simply by fact the female stated the water is superheated and boiling simply by loss of circulate/cooling, the inability of circulate/cooling could desire to be any style of issues, radiator, water pump, thermostat, collapsed radiator hose, airlock in heater middle, and so on. The signs and indications of rust call for a equipment flush and if carried out suitable will instruct unfavourable circulate by using hoses if one has collapsed or data of a deteriorating hose (products of rubber). further and extra vehicle areas are coming from offshore and various "new" areas are undesirable out of the field simply by unfavourable production procedures and high quality controls in distant places international locations. I had to interchange the front brake hoses on our 'ninety Dynasty, hoses from advance motor vehicle, one hose from China and one from Italy, yet so some distance (a 300 and sixty 5 days now) they're nonetheless doing the job.

Try to flush out your cooling system first. Then locate the valve in question and try to feel if it is operating.