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EF Thermos... Not working ? 

 

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 Post subject: EF Thermos... Not working ?
Posted: Sun Feb 13, 2005 4:14 pm 
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My mates ef's thermo's do not seem to be correctly or at all..

Tried just then, started car up air con on high 1 fan was working.. should both be working or just 1.

I understand these are a twin speed fan?

How elese can you test them, Last night car at 1/2 way on the temp gauge at idle fans where not working.. turned car off, turned ignition back on still no fans working..

Should they be working when the ignition is off and car is warm ?

Could there be a fault in the wiring/blow fuse or a faulty water temp sender ? does the sensor in the over flow bottle dictate when the fans run ?

thanks.

 

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Posted: Sun Feb 13, 2005 8:42 pm 
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You should be able to disconnect the coolant temp switch, and fans should both run on high.
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Posted: Sun Feb 13, 2005 8:47 pm 
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rossi wrote:
You should be able to disconnect the coolant temp switch, and fans should both run on high.


Correct. Both should work if this plug is off.

 

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Posted: Mon Feb 14, 2005 12:15 am 
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coolant temp sender is the one in the overflow tank correct ?

fans will be on high when the key is on only ?

 

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1995 EF Falcon GLi V8
Extractors, Twin 2.5inch Exhaust, Lowered Suspension, 17" CSA Mags, Vortech V2 SQ Supercharger, K&N Air Filter, Stage 2 shift kit, 293rwhp@5,900rpm on 9psi.

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Posted: Mon Feb 14, 2005 9:52 am 
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SuperchargedEF wrote:
coolant temp sender is the one in the overflow tank correct ?

fans will be on high when the key is on only ?
n o thats the low level coolant sender the coolant temp sensor is somewere else not sure on the v8's
and it shoudl be with the engine running ie remove teh wire and start car bith fans should be on "high"

 

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Posted: Mon Feb 14, 2005 1:40 pm 
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first check. are they plugged in?
second, is the fuse ok? (next to the header tank)
third, get the relay block in front of the airbox and start randomly swapping relays around until you work out if any of them are dead. if not, go to . . . .
fourth check, unplug fans and give each one direct 12v power in turn

if none of that fixes it i'd be really surprised.
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Posted: Wed Feb 16, 2005 11:53 pm 
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fans work with direct supply of power..

fuse fine.

pulled relay out and wire it up they turn on.. i think i will have to swap relays ;)

thanks for the help fella's

where is the coolant temp sensor ?

 

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1995 EF Falcon GLi V8
Extractors, Twin 2.5inch Exhaust, Lowered Suspension, 17" CSA Mags, Vortech V2 SQ Supercharger, K&N Air Filter, Stage 2 shift kit, 293rwhp@5,900rpm on 9psi.

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