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> Survey: Just how "ineffective" is standard for heat blower?, Max Defrost = no front blower on = no air coming out of vents
MikeInMunich
post Sep 18 2016, 10:25 AM
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Happy First Sunday of the Oktberfest Gentlemen! PROST, from Munich! (IMG:style_emoticons/default/beerchug.gif) (IMG:style_emoticons/default/smilie_flagge6.gif)

Curious about this almost comical "instruction on our ventilation controls..."MAX DEFROST, upper levels left, lower lever right"...I was thinking, how is this correct, when the upper lever left turns the blower onto the windshield OFF?!

So I found this thread...

http://www.914world.com/bbs2/lofiversion/i...php?t75480.html

and then I went out and tested to see how much warm air from the back is actually blowing out of the vents at the windshield. Virtually NONE was coming out at all.

So...before I go seeking the possible reason, I'm curious about others' results for this same test. What is the best / normal (stock) result here? The hoses in the compartment were OK. I haven't checked those under the car or the dash yet.

How much more effective would a stronger blower be? Power / spec suggestions?

Thanks guys, and have a great Sunday!

Mike in Munich
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saigon71
post Sep 19 2016, 06:11 AM
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Yeah, check your hoses.

I've got a completely stock setup, with the engine bay blower fan on the drivers side. Without the fan, I get plenty of hot airflow when the RPM's are up and the levers are in the "defrost" position. With the aux fan engaged, I get decent airflow at idle, but nothing like when the engine revs.

I've been caught in quite a few downpours. While it gets very uncomfortable in the cabin, the stock system does a good job of keeping the windshield clear of fog.



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MikeInMunich   Survey: Just how "ineffective" is standard for heat blower?   Sep 18 2016, 10:25 AM
GeorgeRud   The black levers control fresh air, the red levers...   Sep 18 2016, 10:53 AM
The Cabinetmaker   I have found the best defrost comes from all three...   Sep 18 2016, 10:58 AM
MikeInMunich   This only seems logical, which makes me wonder abo...   Sep 18 2016, 02:34 PM
BeatNavy   In my experience you should be able to noticeably ...   Sep 18 2016, 02:55 PM
MikeInMunich   In my experience you should be able to noticeably...   Sep 18 2016, 11:17 PM
Garold Shaffer   In my experience you should be able to noticeably...   Sep 19 2016, 06:18 AM
Mark Henry   In my experience you should be able to noticeabl...   Sep 19 2016, 07:16 AM
scott_in_nh   :agree: When I had my 2.0 SSI's, late oct...   Sep 19 2016, 03:07 PM
BeatNavy   Yes, check for blockages and make sure all the tub...   Sep 19 2016, 03:52 AM
saigon71   Yeah, check your hoses. I've got a completely...   Sep 19 2016, 06:11 AM
malcolm2   http://www.volksbolts.com/faq/cooling.htm Maybe ...   Sep 19 2016, 07:32 AM
Brian Mifsud   I've always kept my blower/heat exchanger syst...   Sep 19 2016, 10:53 AM
MikeInMunich   Thanks for the info! So how does one access ...   Sep 20 2016, 01:19 PM
malcolm2   Thanks for the info! So how does one access...   Sep 21 2016, 11:05 AM
BeatNavy   That is how I did it. Behind the speaker pod is ...   Sep 21 2016, 11:19 AM
MikeInMunich   quote] Look at your plumbing on this though, inclu...   Sep 21 2016, 02:03 PM
MikeInMunich   Thanks! :beer2:   Sep 21 2016, 01:59 PM
mepstein   Thanks for the info! So how does one access...   Sep 21 2016, 08:59 PM
rhodyguy   A functioning heating system should be able to war...   Sep 21 2016, 10:05 AM
JRust   At Red rocks we were having a discussion about hea...   Sep 21 2016, 04:37 PM
smj   ... came over & said my buddy went & boug...   Sep 21 2016, 08:14 PM
Garland   I have both exchangers hooked up, and the splitter...   Sep 21 2016, 08:36 PM


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