Honda Civic / Del Sol (1992 - 2000) EG/EH/EJ/EK/EM1 Discussion

car still runnin hot,fan wont turn on!

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Old Jun 5, 2004 | 11:29 PM
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Default car still runnin hot,fan wont turn on!

ok so i had the prob of my fan not turnin on a couple of days ago, i was told that i could jus jump it at the thermostat housing to see if the fan works at all, well it turned on when i jumped the harness so i bought a new fan temp switch, but after replacing it today the car still runs hot, not too sure what it could be now, any suggestions would help
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Old Jun 5, 2004 | 11:34 PM
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Default Re: car still runnin hot,fan wont turn on! (wsiracerz)

have you tried just jumping the fan itself to see if it works????? if it works you probably have a wiring problem somewhere or a relay is bad.
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Old Jun 6, 2004 | 12:20 AM
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Default Re: car still runnin hot,fan wont turn on! (99blackcivicSi)

ok so i just jumped the fan at the thermostat housing to double check an make sure it works an it came on, if i cant find the prob soon imma jus run the fan to a switch
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Old Jun 6, 2004 | 12:44 AM
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Default Re: car still runnin hot,fan wont turn on! (wsiracerz)

run the fan into a switch, save some trouble
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Old Jun 6, 2004 | 01:07 AM
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Default Re: car still runnin hot,fan wont turn on! (Junkiii Eg)

yea imma prob jus run the fan to a switch to save me trouble tryin to find the short or problem
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Old Jun 6, 2004 | 01:09 AM
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i have had just about every overheating prob possible one time my fan didnt start was because my thermostat was fked and wasn't opening
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Old Jun 6, 2004 | 01:26 AM
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Default Re: car still runnin hot,fan wont turn on! (wsiracerz)

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Old Jun 6, 2004 | 02:03 AM
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if youre thermostat wasnt opening, wouldnt your temperature gauge have shown a MAJOR increase in heat as well?
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Old Jun 6, 2004 | 06:38 AM
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If the fan turns on, why not check if the fan switch is at fault instead of ghetto-rigging some switch.
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Old Jun 6, 2004 | 09:25 AM
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Thats what he did by jumping the thermoswitch sensor.
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Old Jun 6, 2004 | 10:59 AM
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Default Re: (LsVtec92Hatch)

Ive had the problem before....sometimes its something as simple as one wire bad. I would test your wires (dont remember how...moms friend did mine for me ), if they are bad wires i would try and replace them. I would try that....if all else fails...take it in. I think you would have more of a hassle always turning your fan on/off w/ a switch and always keeping your eye on your therm. Thats just my option eaither way will work . Good luck


Modified by RangerHatch at 8:15 PM 6/6/2004
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Old Jun 6, 2004 | 12:54 PM
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Default Re: (Dimi)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Dimi &raquo;</TD></TR><TR><TD CLASS="quote">If the fan turns on, why not check if the fan switch is at fault instead of ghetto-rigging some switch.</TD></TR></TABLE>
i jus installed a new fan temp switch so i dont think that the switch is at fault
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Old Jun 6, 2004 | 01:05 PM
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Default Re: (wsiracerz)

have you tried fuse, or relay ? im sure you have but need to be clear if you did or not
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Old Jun 6, 2004 | 01:16 PM
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Default Re: (95sihb)

i checked the fuses under the steering wheel, is there any fuses in the engine bay that could effect it, also, how would i check the relay?
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Old Jun 6, 2004 | 01:30 PM
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Default Re: (wsiracerz)

what year is your ride i will check my haynes manual for you
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Old Jun 6, 2004 | 05:24 PM
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Default Re: (95sihb)

its a 93 dx hatch
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Old Jun 6, 2004 | 05:24 PM
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Default Re: car still runnin hot,fan wont turn on! (Junkiii Eg)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Junkiii Eg &raquo;</TD></TR><TR><TD CLASS="quote">run the fan into a switch, save some trouble </TD></TR></TABLE>

thats what i had to do....works fine for me...just remember to turn it on
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Old Jun 6, 2004 | 05:31 PM
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Default Re: car still runnin hot,fan wont turn on! (HUBB)

actually i ran it to a switch an hour ago for the time being which works fine but i would like to eventually fix the prob so that i dont have to worry bout it
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Old Jun 6, 2004 | 10:30 PM
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Default Re: car still runnin hot,fan wont turn on! (wsiracerz)

also i read this somewhere already but when i felt the upper radiator hose it was hot but when i felt the bottom it felt cooler?
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Old Jun 6, 2004 | 10:39 PM
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Default Re: car still runnin hot,fan wont turn on! (wsiracerz)

check the relay under the hood. its located near the battery. run the fan wire to the battery and see if it turns on. if it turns on, then the fan is good. while its on, take out the fan relay fuse and see if the fan turns off. if it turns off, the relay fuse is good, if it stays on, then you need a new relay fuse.

is your radiator cap in good condition?

i had the same problem a few weeks ago. i had to run the fan all night one time until i got home. the next day i just messed with the wires by moving them around looking for a bad connection or something. for some odd reason, the fan worked the next time i drove the car.
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Old Jun 6, 2004 | 11:26 PM
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Default Re: car still runnin hot,fan wont turn on! (hondaeg8)

the fan is wired to a switch right now an it works, but even with it on it gets hot, i replaced the fan temp switch already an i have a new radiator an cap, where is the fan relay under the hood?
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Old Jun 6, 2004 | 11:30 PM
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Default Re: car still runnin hot,fan wont turn on! (wsiracerz)

if the car still gets hot when the fan is on, then maybe you need a new radiator.
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Old Jun 6, 2004 | 11:31 PM
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Default Re: car still runnin hot,fan wont turn on! (hondaeg8)

i have a brand new koyo radiator (stock style) and radiator cap so im pretty sure its not the radiator
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Old Jun 6, 2004 | 11:32 PM
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From: in the ghetto where u hear Gun shots.., CA
Default Re: car still runnin hot,fan wont turn on! (hondaeg8)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by hondaeg8 &raquo;</TD></TR><TR><TD CLASS="quote">if the car still gets hot when the fan is on, then maybe you need a new radiator.</TD></TR></TABLE>

i had this problem once....it was a blown head gasket... i can be worng...
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Old Jun 6, 2004 | 11:35 PM
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From: in the ghetto where u hear Gun shots.., CA
Default Re: car still runnin hot,fan wont turn on! (HUBB)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by HUBB &raquo;</TD></TR><TR><TD CLASS="quote">

thats what i had to do....works fine for me...just remember to turn it on </TD></TR></TABLE>

REMEMBER is the key word....haha but most ppl forget to turn it on til ur temp goes sky high..jus like me....haha
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