 cooling fans questions, anyone with no AC, please read |
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 Jun 1, 2007 - 11:24 PM
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 Enthusiast  Joined Mar 8, '04 From Newport, RI Currently Offline Reputation: 63 (99%)  |
hey I have some dumb questions about the 2 engine fans
from what I understand 1 fan is for the engine to cool it (left fan) and the other only comes on when the AC is turned on (right fan), is this true ? do both fans kick on when the temp gets too high ? or just the one ? so do the STs and GTs without AC have both fans ? or just one ? tomorrow I will let the car warm up and watch to see if the both kick on when it gets too hot, that will probably answer most of my questions. thanks for the help -------------------- |
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Jun 2, 2007 - 7:39 AM
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Enthusiast Joined Mar 11, '06 From Way South Chicago Currently Offline Reputation: 0 (0%) |
1. you are correct about which fan does what
2. when the AC is on both fans come on to cool 3. when the AC is off i've only heard one fan come on 4. iirc without AC theres just one fan 5. ??? 6. profit really tho, i'll take a gander at my prizm service manual at the description of operation for the fan system with AC and without AC. its the same fan system as the Celica ST as far as i know, so the operation should be the same. i really dont know if the fans have 2 speeds or not. -------------------- |
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Jun 2, 2007 - 9:46 AM
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Enthusiast Joined Mar 8, '04 From Newport, RI Currently Offline Reputation: 63 (99%) |
thanks Bitter. I just let the car warm up and both fans kicked on when it started getting hot, that pretty much answers my questions.
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Jun 2, 2007 - 11:12 AM
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 Enthusiast Joined Apr 20, '06 From Florida Currently Offline Reputation: 44 (100%) |
lol both mine are hard wired and on all the time
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Jun 2, 2007 - 3:08 PM
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Enthusiast Joined Aug 14, '05 From St. Paul, MN(USA) Currently Offline Reputation: 8 (100%) |
yeah both my fans comes on too when the engine gets hot
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Jun 3, 2007 - 5:01 AM
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 Enthusiast Joined Apr 2, '07 From Great Western Plateau Currently Offline Reputation: 9 (100%) |
jcbass7, you know when you hard wired ur fans, did you connect them through a switch or are they on all the time?
--------------------  98% completion --- aaRon |
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Jun 3, 2007 - 10:34 AM
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Enthusiast Joined Jan 2, '07 From Little Rock, AR Currently Offline Reputation: 0 (0%) |
QUOTE(Batman722 @ Jun 2, 2007 - 4:24 AM) [snapback]564040[/snapback] hey I have some dumb questions about the 2 engine fans from what I understand 1 fan is for the engine to cool it (left fan) and the other only comes on when the AC is turned on (right fan), is this true ? do both fans kick on when the temp gets too high ? or just the one ? so do the STs and GTs without AC have both fans ? or just one ? tomorrow I will let the car warm up and watch to see if the both kick on when it gets too hot, that will probably answer most of my questions. thanks for the help On my 97 GT w/AC both fans come on together when the temp exceeds 203ºF. They both shut off when the temp drops below 200ºF. I got these numbers from the OBD2 diagnostic port & my hand held scanner when I was troubleshooting my cooling system. |
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Jun 3, 2007 - 4:32 PM
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Enthusiast Joined Apr 20, '06 From Florida Currently Offline Reputation: 44 (100%) |
QUOTE(lubu @ Jun 3, 2007 - 6:01 AM) [snapback]564385[/snapback] jcbass7, you know when you hard wired ur fans, did you connect them through a switch or are they on all the time? no switch just on whenever the car is on |
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