Auto Air Conditioning & Heater Repair/AC vent problems

Advertisement

Expert: - 3/26/2011


Question
I have a 2001 Chevy silverado 2500 the ac doesn't blow through the dash board vents when set on that setting and only works on the floor and defrost settings. how can I fix this? Or what can this be?

Answer
Hello Andrew
It depends whether you have full climate control or just refrigeration
Full climate control will have a temperature display that you can preset

This determines whether the vents are controlled electronically or by vacuum or cable
Full climate control systems may have a self diagnostic function that you can access yourself by pressing a combination of heater control settings.You may find this by a search through Google

I do not have access to this information as we are UK based
If it hasn't, it could mean a trip to the dealer who will plug it in to the manufactures diagnostic machine.
A vacuum or cable operated flap or door system should be easier to diagnose.

Let me know which you have and I can help you further with a manual system

Regards
Paul  

Auto Air Conditioning & Heater Repair

All Answers

Answers by Expert:

Ask Experts

Volunteer

Paul Evans/ www.chillywillys.org

Expertise

Any question related to the function or malfunction of vehicle air conditioning excluding model specific problems with the heater controls. We are a UK based company and are unlikely to be familiar with the exact make and model of American vehicles. We will always at least try to guide the owner towards what the problem is likely to be in this instance We may struggle with none specific electrical issues related to the a/c without seeing it but it is likely we could narrow the problem down

Experience

Director www.chillywillys.org specialising predominantly in UK vehicles, fleet, rare and collectables. Although all a/c works on the same principal US vehicles have different controls and electrics. 12 years experience automotive and aircraft air conditioning. This is our sole source of revenue, we see lots of a/c issues that we are able to diagnose accurately mainly down to experience. UK have garages caught on to a potential revenue stream within the last few years but sometimes struggle with the problems as they don't see the issues that often........to be fair they could get their own back and ask me to change a timing belt ! Certain vehicles have known issues, we can help with that and also anything that is obvious to us but not necessarily to the bamboozled owner....... a/c is relatively new here and owners are catching on to maintenance but are sometimes still misguided by inexperienced individuals a bit timid to say' I don't really know

Organizations
Federation of Small Businesses IMI

Publications
Daily Telegraph/ Motoring/Honest John Cool Profits Smartimes

Education/Credentials
IMI MACS F Gas Assessor & Trainer City & Guilds D32/34 Assessor City & Guilds Automotive A/C Level 3 B Tech Automotive A/C

Awards and Honors
Certificates for all listed in educational Proof of ID with the IMI

Past/Present Clients
List on application. We have an agreement with our major customers not to disclose without consent

©2012 About.com, a part of The New York Times Company. All rights reserved.