Ok, my air will work sometimes when I start up the Van but others it won't.
It will be blowing out the correct vents that I have it set on the control panel but all the sudden it will start blowing out the defrost and the floor and then the air does not blow cold. I can hear the AC compressor is engaged but I don't feel the cold air.
I can turn it off for a minute and without changing the buttons it will start to blow out the correct vents and then the air is cold agian. Sometimes it wll take longer for it to come back on. What could be causing this?
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Your Lumina APV is a clone of the Pontiac Transport and Oldsmobile APV's which all have identical Heater & A/C controls. The Heater & A/C controls usually wear out mechanically causing no control of temperature. This is a difficult repair and is best made by a dealers ASE Certified Technician. A/C may require re-charging and or possible replacement of the hoses which carry the refrigerant as they become porous and leak. Additionally, the Compressor and its Clutch may possibly require replacement.
The High beams are controlled by pushing the Turn Signal switch forward toward the Instrument panel and have a momentary "Flash to Pass" function by pulling the Turn Signal Lever upward toward the steering wheel and return to Low Beam upon release of the turn signal Lever. If neither function of the Beam selector lights the High Beams it is pssible that the Headlamp bulbs are burned out or open connections in the wiring harnesses. Do you have an owners manual for your Lumina? If so it has information regarding the Multi-Functions of the Turn Signal Lever.
1. The wiper motor has gotten weak or a dead spot in the motor windings. this would cause it to not start depending on where the motor stopped last. The motor is usually a easy change.
2. The other things it could be is you wiper switch has a bad connection or just in need of replacement. This could be a harder job depending on how much of the column you need to take apart to get the lever switch out.
I would lean toward number 1 its usually the more common problem. I hope my answer at least gets you in the right direction. I hope you have a great weekend:>)
When's the lst time a major tune up was complete? You may just need some maintenance. When I say major I mean the following Spark plugs, wires, air filter, fuel filter, pcv vlave, check the EGR valve and replace if needed, and inspect/replace drivebelt(if needed). I had an EGR clog on mine and it would lose alot of power, sometimes stall. Also check that your fuel injectors are working proply. You should have a nice cone spray of fuel coming out. You will also want to make sure that your spark plugs are correctly gapped. Your local auto supply store should be able to tell you the correct gap.
Hope this helps.
vacuum line reserved vauum bottle crack not enought vacuum reserved when you give gas vacuum goes down that normal that why they put a reserved tank follow the vacuum line to the reverved tank check it out hope it help fixye our post thanks pierre