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Cooling fans


Blakstar
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Need some help with cooling fans. My 87 has 2 fans with do run to their full potential. The problem is the cars almost overheating. There's a 3 fan in front of the radiatior that runs veryyyy slow. I have no idea if it's supposed to???? I have replaced hoses and thermostat and still running 3/4 almost to the "H" on the dash gauge any ideas?
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Sometimes the fans spin but they don't have enough torque to really move the amount of air needed to cool the radiator. Check to see if the fans are spinning hard first. They should be moving the air very briskly, like 60 mph wind, otherwise they aren't really cooling anything. Low torque fans can be anything from poor grounds, to a tired alternator, to tired fans. All three of those things are easy to check. As far as your radiator, it probably needs to be rodded but if you still have cooling issues after that it's going to be electrical
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get an actual temp gage that can read the actual temp.

the stock gauge is good but not very acurate.

i agree get the radiator cleaned.

 

it is not likely but possible.the water pump might not be functioning properly.

Edited by importwarrior
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  • 3 weeks later...
Update. Radiator clogged: old and leaking. Replace radiator with aftermarket from eBay. Bypassed lower coolant sensors. Then 3 days later car wouldn't turn on. I had to work all week so it's sitting at my mechanics were I visited him today. I got no blown fuses and I got lights working but when you try to crank no sound at all dead. Gauges don't reset not starter noise. And the worst part about it my wife is laughing at me...... Telling me that I should have bought the firebird my neighbor was selling for 2k.
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check fuse links by the battery.

make sure clean good terminal ends

on them.

 

 

 

read this

 

http://starquest.i-x...opic.php?t=1180

 

need to be a member to see pics.

 

 

these.

 

http://i35.photobucket.com/albums/d182/Professor-Quest123/Batt%20Pos/PS-202.jpg

Edited by importwarrior
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If it sat for three days and now nothing, you may need to check your grounds. There are a few places that need TLC in regard to the grounding.

 

Same website that importwarrior directed you to but different write up.

 

http://starquest.i-x...topic.php?t=916

 

... just read that you mentioned the lights are working so this wont fix your problem, but a good idea to address either way

Edited by john82wa
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If it sat for three days and now nothing, you may need to check your grounds. There are a few places that need TLC in regard to the grounding.

 

Same website that importwarrior directed you to but different write up.

 

http://starquest.i-x...topic.php?t=916

 

... just read that you mentioned the lights are working so this wont fix your problem, but a good idea to address either way

 

Go through every post on this site (S.O.S.) and you will learn tons just by seeing parts being broken down and reassembled.

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