New electric fan? 6cyl 2002+ - Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum



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Go Back   Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum > 2002 - 2009 TrailBlazer/Envoy Tech > 02-09 Vortec 4.2L I-6 Engine and Drivetrain > Engine Tunes/Mods

Engine Tunes/Mods Performance Engine Tuning/Engine Modifications

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  #1  
Old 03-15-2012, 11:35 PM
6traintoharlem 6traintoharlem is offline
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2002 Chevy TrailBlazer LS
Sandstone Metallic 4.2L I6 4X4
Join Date: Mar 2012
Location: Allentown, PA
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New electric fan? 6cyl 2002+

So, I'm just about to pull the trigger on the fan modification kit from pcmforless, and I see that they have a new set-up that they are introducing in the middle of this month, but not much info on it. Anybody know anything about it and how it compares to the current set-up they are offering?
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  #2  
Old 03-16-2012, 12:28 AM
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xx_gearhead_xx xx_gearhead_xx is offline
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2007 Chevy TrailBlazer SS (3SS)
Summit White 6.0L LS2 V8 2WD
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It's nothing new really, I think the kit is based off the colorado efan kit with some minor changes iirc. This is just one fan as opposed to the dual fan setup using modified LT or LS efans. Pcmforless is a bolt up kit with a specific wiring harness where as with my setup I had to trim my fans to make them fit and get brackets. They've just done all the work for you by giving you a custom fan shroud that fits and a wiring harness to go with it.

Now, as far as having a patch to the ecm to control the fans or just using an on/off switch, I'm not sure. Though, knowing alvin and following the trend of their other efan kits I imagine you'll be able to choose what setup you want.
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  #3  
Old 03-16-2012, 11:07 PM
6traintoharlem 6traintoharlem is offline
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2002 Chevy TrailBlazer LS
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So, it doesn't seem to a whole lot different than the set-up they already have, performance-wise. I guess I'll stick with ordering the wires from pcmforless, and buying a separate fan. Thanks!
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  #4  
Old 03-21-2012, 10:15 AM
marshall@pcmofnc marshall@pcmofnc is offline
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2006 Chevy TBSS
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The whole reason we are designing this kit is so the 02+ guys will have something that is computer controlled. Not many people are interested in wiring up their own controller.
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Old 03-22-2012, 09:46 AM
marshall@pcmofnc marshall@pcmofnc is offline
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We finished the prototype install yesterday! Will probably start taking pre-orders pretty soon.
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  #6  
Old 03-22-2012, 05:08 PM
poppi1 poppi1 is offline
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2004 Chevy TrailBlazer LT EXT
light green 4.2L I6 4X4
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check engine lite on

my check engine lite keeps coming on when i check the codes it tells me cooling fan speed high output or loss of cooling fan speed signal. any help i can get will be much appreciated.
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  #7  
Old 03-24-2012, 01:51 AM
Ace1875 Ace1875 is offline
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2004 Chevy TrailBlazer LS EXT
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Quote:
Originally Posted by marshall@pcmforless View Post
We finished the prototype install yesterday! Will probably start taking pre-orders pretty soon.
any info on this price etc etc?

I want one by the end of next week.

Nvrmnd saw it in the site $375

Any discount for trailvoy members that wants tune and fan kit at the same time
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  #8  
Old 03-24-2012, 07:49 AM
6traintoharlem 6traintoharlem is offline
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2002 Chevy TrailBlazer LS
Sandstone Metallic 4.2L I6 4X4
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Quote:
Originally Posted by poppi1 View Post
my check engine lite keeps coming on when i check the codes it tells me cooling fan speed high output or loss of cooling fan speed signal. any help i can get will be much appreciated.
Are you the person who had the new fan installed on Thursday?
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  #9  
Old 03-24-2012, 02:57 PM
Nexus1155 Nexus1155 is offline
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2005 GMC Envoy SLE XUV
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Some things need to be coded out. I would like mine to be computer controlled as well. I beleive Bruhaba guy did it, but he needed to relay the PWM signal into a translator board or some bs. A Controller is $25 at any auto store and a fan is $25 at the junkyard. Do the math. Tune is still an extra $100 - $200 on top though to code out the CEL
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  #10  
Old 03-24-2012, 02:59 PM
Old Blue Old Blue is offline
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2002 Chevy TrailBlazer LTZ
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Quote:
Originally Posted by Ace1875 View Post
any info on this price etc etc?

I want one by the end of next week.

Nvrmnd saw it in the site $375

Any discount for trailvoy members that wants tune and fan kit at the same time
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