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I just bought a 2008 Trailblazer that was a company truck but was used by the front office staff. The interior looks awesome and the under hood looks unmolested. My issues is the amount of air blowing out of the vents just seems way to low. I was thinking cabin air filters but from some research it didn't come with any from the factory.any ideas would be greatly appreciated.
 

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2004 Trailblazer LS 4x4, 4.2L:, 2016 ATS-V, 2014 CTS-V Wagon, 2018 Audi A7
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120 Posts
Manual HVAC system or automatic?
 

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2004 Trailblazer LS 4x4, 4.2L:, 2016 ATS-V, 2014 CTS-V Wagon, 2018 Audi A7
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There were two different styles of HVAC systems. One was fully automatic - set the temp and forget about it. The other was 100% manual. Here is a pic of the manual style:

 

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2004 Trailblazer LS 4x4, 4.2L:, 2016 ATS-V, 2014 CTS-V Wagon, 2018 Audi A7
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120 Posts
I have no idea why the pic doesn't show. It worked on my computer at work earlier and it shows up on my iPad at home right now.
 

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2004 GMC Envoy SLT 4.2
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185 Posts
Looks effective . Maybe not as many things to possibly go haywire , either .
 

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2004 Trailblazer LS 4x4, 4.2L:, 2016 ATS-V, 2014 CTS-V Wagon, 2018 Audi A7
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120 Posts
Keeps me warm, keeps me cool. It works. I'm happy.
 

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2003 chevy trailblazer_ltz
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11 Posts
I just bought a 2008 Trailblazer that was a company truck but was used by the front office staff. The interior looks awesome and the under hood looks unmolested. My issues is the amount of air blowing out of the vents just seems way to low. I was thinking cabin air filters but from some research it didn't come with any from the factory.any ideas would be greatly appreciated.
 

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2003 chevy trailblazer_ltz
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11 Posts
Take a look at the heater controls for the rear seats (back of the console) and make sure they are off.
 

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2003 gmc envoy_sle
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42 Posts
To me, there may be nothing wrong. I've never been impressed by the fan out put on any GM product I've been in.
 
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