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08-31-2009
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#1 |
 
Join Date: Jul 2007
Location: Bartlett, IL
Posts: 7,169
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Left side Coolant fan issue
I was working on the windows on my Z this weekend. After a couple minutes the fan came on.. thing is the car has not been started for a couple days so I know the temp did not require it. Not sure what it could be but looking for some suggestions
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1990 Corvette ZR-1 #1051 Watson Headers (2" Primary) - Flowmaster Cats - Borla Catback Late Model IH - Plenum Coilovers - 4.10s Custom Interior NCM Lifetime Member #978 |
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08-31-2009
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#2 |
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Join Date: May 2006
Location: Canada
Posts: 139
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Re: Left side Coolant fan issue
Check for codes. If you went in to limp home mode the fans come on.
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08-31-2009
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#3 | |
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Join Date: Jul 2007
Location: Bartlett, IL
Posts: 7,169
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Re: Left side Coolant fan issue
Quote:
shut off engine then turn key to on, with engine not running fan stays off. I need to go through the troubleshoot guide in the manual which fan is the left? 1 or 2?
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1990 Corvette ZR-1 #1051 Watson Headers (2" Primary) - Flowmaster Cats - Borla Catback Late Model IH - Plenum Coilovers - 4.10s Custom Interior NCM Lifetime Member #978 |
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08-31-2009
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#4 |
 
Join Date: Dec 2003
Location: Chicagoland,IL
Posts: 2,679
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Re: Left side Coolant fan issue
Jeff, just one fan goes on or both?
If it goes on with with key on i'm thinking relay. Swap out relays. Check Prom. Pete
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'91 #1635 PoloGreen 350 LT5 11.09 @ 129.27 11.04 @ 128.86 474RWHP 400RWTQ http://www.youtube.com/watch?v=SFNFOhGGlR4 http://www.youtube.com/watch?v=ZlRIOMwaDYY https://sites.google.com/site/peteszr1garage |
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08-31-2009
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#5 | |
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Join Date: Jul 2007
Location: Bartlett, IL
Posts: 7,169
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Re: Left side Coolant fan issue
Quote:
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1990 Corvette ZR-1 #1051 Watson Headers (2" Primary) - Flowmaster Cats - Borla Catback Late Model IH - Plenum Coilovers - 4.10s Custom Interior NCM Lifetime Member #978 |
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08-31-2009
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#6 |
Join Date: Mar 2007
Location: Crystal Lake, IL
Posts: 7,194
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Re: Left side Coolant fan issue
If you ever want to come over and swap parts out of one of mine to test, let me know. Might save you some $
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LGAFF 90 #966-150K miles-sold 92 #234-sold 1987 Callaway TT #17 1991 ZR-1 #1359 |
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08-31-2009
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#7 |
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Join Date: Jul 2007
Location: Bartlett, IL
Posts: 7,169
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Re: Left side Coolant fan issue
Thanks Lee.. If it gets to that I will
need to troubleshoot it first
__________________
1990 Corvette ZR-1 #1051 Watson Headers (2" Primary) - Flowmaster Cats - Borla Catback Late Model IH - Plenum Coilovers - 4.10s Custom Interior NCM Lifetime Member #978 |
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08-31-2009
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#8 | |
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Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,708
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Re: Left side Coolant fan issue
Quote:
Relay? |
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09-01-2009
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#9 |
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Join Date: Jul 2007
Location: Bartlett, IL
Posts: 7,169
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Re: Left side Coolant fan issue
Not the Relay, Swapped and the same issue
I hooked up my Laptop, AC Request is set to 'Yes' even when the controller is 'OFF' Keep in mind I have C60 (Manual AC) So I followed the troubleshooting guide, and it says if I put a test light from Green connector pin #2 of the ECM to ground, I should get a light in Bi-level, AC, Max and Defrost.. it never lights. I need to check the wire and check the under dash connector, but the odd thing is the AC works.. so I am a bit confused on that.. I am guessing I have a loose connection or broken wire Ah well, I will check it when I start working on the passenger side window
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1990 Corvette ZR-1 #1051 Watson Headers (2" Primary) - Flowmaster Cats - Borla Catback Late Model IH - Plenum Coilovers - 4.10s Custom Interior NCM Lifetime Member #978 |
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