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My fan its working uninstalled

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Old May 7, 2002 | 08:44 PM
  #1  
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From: maryland
My fan its working uninstalled

i took out the fan and tried it cuz it didnt turn on at 230 degree so i install it back and its not working either what could it be?
please reply

1991 z28 305 tpi v8
all stock
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Old May 7, 2002 | 09:52 PM
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From: W. Kentucky
Car: 83 Z-28
Engine: 406
Transmission: TH350
Axle/Gears: 3.70
Check to see if the blades are getting caught on something. The center of my fan was getting stuck on the radiator itself and causing it not to spin.
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Old May 7, 2002 | 10:36 PM
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From: heartland
Car: 89rs (previous 2.8)
Engine: 406
Transmission: 700r4 (for now)
rrun a hot wire from the bat. to the fan while its in the car and see if it works, if it does there must be a problem in the thermostat or electrical
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Old May 8, 2002 | 01:58 PM
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i tried the fan and it worked but only if i try it direct when is installed it doesnt!!!!!!!!!!!!!!
help my car is running 250 degree at least its hell
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Old May 8, 2002 | 03:05 PM
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From: Central NJ, USA
Car: 1986 Firebird
Engine: 2.8 V6
Transmission: 700R4
If it's always getting this hot, you need to replace your air dam... it should only get that hot while stopped in traffic and not moving.
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Old May 8, 2002 | 03:18 PM
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From: Bristow, VA
Car: 91 Z28 Convertible
Engine: 305TPI
Transmission: 700R4
whoa that was almost like an out of body experience... you are from MD, drive a 91 Z28, and have the same avatar. same as me. freaky.
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Old May 8, 2002 | 04:03 PM
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From: W. Kentucky
Car: 83 Z-28
Engine: 406
Transmission: TH350
Axle/Gears: 3.70
Have you changed the fan thermostat?
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Old May 8, 2002 | 05:29 PM
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From: San Antonio, TX
Car: 1988 IROC-Z
Engine: L98 (350 TPI)
Transmission: MD8 (700 R4) + 3.42 LS1 Rear
the above post has a point. have you changed the fan switch? or try grounding the wire that goes to the switch. it should come on. if not look towards a bad relay. best of luck
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Old May 8, 2002 | 06:14 PM
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From: maryland
i installed a 180 stat today and im waiting to see what the hell is wrong with the fan
its the fan thats not on the driver's side
please help i need that working properly

thanks is there any fuses that can be causing this?
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Old May 8, 2002 | 06:15 PM
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From: maryland
whats the relay?
where is it?
fuses?
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Old May 8, 2002 | 06:20 PM
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From: W. Kentucky
Car: 83 Z-28
Engine: 406
Transmission: TH350
Axle/Gears: 3.70
I think that the relay for the fan is on the firewall. Drivers side behind the brake booster. If it's not there then maybe someone else can help.
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Old May 8, 2002 | 07:55 PM
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From: San Antonio, TX
Car: 1988 IROC-Z
Engine: L98 (350 TPI)
Transmission: MD8 (700 R4) + 3.42 LS1 Rear
on my 88' and 89 they are both by the battery. on your 91' they may or may not be in the same place. the could by the brake booster as 94' stated.
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Old May 8, 2002 | 11:49 PM
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From: Mishawaka, Indiana
cridom,

If you're serious about fixing this...take it step by step and come back.. and be patient so people have time to respond to your questions. Anyway,

If you take the black with red stripe wire, connect it to an alligator clamp, connect that to your positive terminal on your battery, does your fan come on? If it doesn't, you've got one of two problems that I can think of... either like stated above, your fan blades or something else is stuck and not allowing the fan to turn, or your fan isn't grounded. Check the ground for your fan..maybe when you 'reinstalled' it you didn't connect it to a smooth, unpainted/unrusted surface..

If your fan DOES come on when you do this, I'd say your relay, or some wiring along the way, is fried. We can go in depth on this after you get back to us... at least if your fan comes on with the alligator clip method you can just clip it to your battery whenever you go anywhere...it's a temporary solution.

James
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Old May 8, 2002 | 11:56 PM
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From: Mishawaka, Indiana
If you want to read up on this... why dont you use the 'search' button?

https://www.thirdgen.org/techbb2/search.php

James
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Old May 9, 2002 | 12:22 AM
  #15  
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With fan installed as original, ignition on, ALDL a&b grounded, does your fan come on? If so relay should be good. If not replace relay. Also is your car actually overheating (puking coolant, running like the life is being choked out of it) if not gauge could be giving a false reading (like mine does) and your car just isn't near the temp required to turn on the fan.
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Old May 9, 2002 | 11:44 AM
  #16  
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And don't overlook the fusible links near the battery. Check for positive voltage at the fan relays. If there is nothing, you may have toasted a link.
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Old May 9, 2002 | 02:54 PM
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From: maryland
the fan work but ill try the relays
thanks ill post a reply if it doesnt work thanks

i loved camaros and the sourses you can get in the boards
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Old May 9, 2002 | 11:41 PM
  #18  
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From: Mishawaka, Indiana
Originally posted by cridom
the fan work but ill try the relays
thanks ill post a reply if it doesnt work thanks

i loved camaros and the sourses you can get in the boards
Did he 'loved' camaros until he bought one?

I'm interested to know how this turns out, keep us posted!

James
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Old May 10, 2002 | 08:19 AM
  #19  
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From: maryland
im sure that the relays are bad cuz everything else works
thanks
i like camaros and i said loved cuz i have 1 year in us so forgive me for my ignorance in speaking
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Old May 10, 2002 | 08:29 AM
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it would be a wise idea to run a manual fan switch anyway, like to underneath your steering wheel. I did it to mine and it ran ALOT cooler. Like no more than 160*. But now it got hot so it runs a little hotter, but never over 220*.
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Old May 10, 2002 | 10:00 AM
  #21  
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From: maryland
is it difficult to install a manual fan? is it only for 1 fan cuz i have 2 and where can i buy it?
how much it cost?
part #?

please send reply

thansk i think ill do that
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Old May 10, 2002 | 10:09 AM
  #22  
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From: winthrop harbor, il & plymouth, il
Car: 1986 camaro
Engine: 383 sbc
Transmission: th-400
Axle/Gears: 4th Gen 10 bolt/Detroit TrueTrac 4.
i would just run it to a toggle as long as it does work and then flip the switch when u start to heat up. just my opinion
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Old May 10, 2002 | 02:20 PM
  #23  
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From: maryland
where are the relays?
here are some pics of my motor is it 350 tpi or 305?
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Old May 10, 2002 | 02:21 PM
  #24  
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Attached Thumbnails My fan its working uninstalled-motor1.jpg  
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Old May 10, 2002 | 02:24 PM
  #25  
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Attached Thumbnails My fan its working uninstalled-motor2.jpg  
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Old May 10, 2002 | 02:24 PM
  #26  
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From: Bristow, VA
Car: 91 Z28 Convertible
Engine: 305TPI
Transmission: 700R4
you cant tell just by looking at it... look for your rpo codes in the glove box or in the compartment of the trunk. Look for the code LB9 or L98. If it is LB9 it is a 305 or L98 is a 350. I know there are other ways to tell but I am not sure what the casting numbers on the engine are.
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Old May 10, 2002 | 02:25 PM
  #27  
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Old May 10, 2002 | 02:26 PM
  #28  
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Old May 10, 2002 | 02:27 PM
  #29  
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From: maryland
this is the fan that doesnt connect
Attached Thumbnails My fan its working uninstalled-fan.jpg  
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Old May 10, 2002 | 02:27 PM
  #30  
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where are the relays??????????????
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Old May 10, 2002 | 03:51 PM
  #31  
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From: Lower Salford, PA
Car: 1987 Camaro Z-28
Engine: 6.3L Victor EFI
Transmission: Tremec TKO 600
Axle/Gears: Moser 9"/4.11 Trac-Lok
The one relay should be mounted on the radiator support, near the radiator cap. The other is mounted between the battery & the headlight. They should have "14089936" printed on them & have a 5 pin oval electrical connector.

Last edited by Ricktpi; May 10, 2002 at 03:53 PM.
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Old May 10, 2002 | 03:52 PM
  #32  
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Look on the radiator support near the battery.
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Old May 10, 2002 | 04:08 PM
  #33  
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From: Bristow, VA
Car: 91 Z28 Convertible
Engine: 305TPI
Transmission: 700R4
Originally posted by Vader
Look on the radiator support near the battery.
Vader i am sure you have been asked before but why do you have adobe acrobat link in your sig?
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