No air from dash vents on Pontiac Bonneville ?

This problem is faced by many other users too.



In most of the cases its Vacuum related problem.The vacuum line and hoses needs to be inspected.

Here is some easy thing to do first locate this vacuum tank and make sure it's not cracked and the hose is attatched and have vacuum present with the engine running. next remove the a/c switch panel and make sure it have vacuum on one of the hoses, if not look under the hood and under the dash for a damaged hose and repair. and yes it could be a faulty acutator or even the a/c programmer with is expensive and difficult to troubleshoot.

This troubleshooting will help you to confirm what is causing the problem.






For more car AC related problem.
Check out this links 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