Car AC Not Blowing Cold Enough?

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This problems are very much seen on Car AC systems.
It sounds like vacuum is not getting to the vent, heat and A/C controls. Find the vacuum can. It may be under the hood on one of the inner fenders. The "one-way" check valve is usually located in the line and close to the can, make sure it works properly. The valve could be the very thing that's causing the problem. Trace the lines back to the vacuum block at the intake manifold or fire-wall, and also back to where the line goes thru the fire-wall. Check the can for leaks or obvious holes. They used to be just a plain metal can, but it could be a plastic ball. Check the lines as you go, for breaks and rub-thru's. Move the controls thru all settings and listen for vent door movement. Worst case is a bad vacuum motor or air flow position selector switch, and/or a faulty Blend Door Actuator.

This basic details will help you to troubleshoot the problem.

Thanks.

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For car AC related and Heater related solutions. You can refer the options mentioned below:---

Car AC Blows Warm Air ?

http://technoanswers.blogspot.com/2011/10/car-ac-blows-warm-air.html

How to test AUTO AC pressure?

http://howtobyme.blogspot.com/2011/10/how-to-test-auto-ac-pressure.html

AUTO Air Conditioning Troubleshooting?

http://technoanswers.blogspot.com/2011/10/auto-air-conditioning-troubleshooting.html

AUTO A/C COOLING PROBLEM?

http://technoanswers.blogspot.com/2011/10/auto-ac-cooling-problem.html

Fixing refrigerant leak?

http://howtobyme.blogspot.com/2011/10/how-to-fix-refrigerant-leak.html

How to locate Car AC Refrigerant leak?

http://technoanswers.blogspot.com/2011/10/how-to-locate-car-ac-refrigerant-leak.html

CAR AC INTERMITTENT COOLING?

http://technoanswers.blogspot.com/2011/10/car-ac-intermittent-cooling.html

What causes INTERMITTENT COOLING on Car AC system?

http://technoanswers.blogspot.com/2011/10/what-causes-intermittent-cooling-on-car.html

Car AC making Noise?

http://technoanswers.blogspot.com/2011/10/car-ac-making-noise.html

BAD ODOR ON CAR AIR CONDITIONER?

http://technoanswers.blogspot.com/2011/10/bad-odor-on-car-air-conditioner.html

How to Recharge Car's Air Conditioner

http://repairhelpcenter.blogspot.com/2011/10/how-to-recharge-cars-air-conditioner.html

For details regarding:--

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http://repairhelpcenter.blogspot.com/2011/11/how-does-vehicles-engine-cooling-system.html

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http://repairhelpcenter.blogspot.com/2011/11/engine-cooling-components-working.html

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http://repairhelpcenter.blogspot.com/2011/11/how-to-flush-cars-radiator.html

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http://schematicsdiagram.blogspot.com/2011/12/car-ac-not-blowing-coldworked-for-few.html

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http://schematicsdiagram.blogspot.com/2011/12/rear-ac-is-not-getting-cold-on-gmc.html

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http://schematicsdiagram.blogspot.com/2011/12/heater-and-fan-worksbut-ac-will-not.html

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http://schematicsdiagram.blogspot.com/2011/12/car-ac-clutch-fan-will-not-remain.html

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http://schematicsdiagram.blogspot.com/2011/12/location-of-front-air-conditioning.html

 

 

Location of AC Low pressure port on Chevy Tahoe?

http://schematicsdiagram.blogspot.com/2011/12/location-of-ac-low-pressure-port-on.html

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http://schematicsdiagram.blogspot.com/2011/12/passenger-side-ac-leaks-water.html

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http://schematicsdiagram.blogspot.com/2011/12/water-leaks-under-dash-on-passenger.html

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http://schematicsdiagram.blogspot.com/2011/12/car-stalls-when-ac-is-turned-on.html

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http://howtobyme.blogspot.com/2011/12/car-ac-compressor-will-not-start.html

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http://howtobyme.blogspot.com/2011/12/engine-cooling-fans-runningbut-ac.html

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http://howtobyme.blogspot.com/2011/12/which-fuse-controls-ac-system-on-2003.html