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Author Topic: Cooling fan relays  (Read 1491 times)

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tooleater

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Cooling fan relays
« on: 02 April 2016, 13:46:04 »
Afternoon chaps. Called into my local Vx Watford today. Guy there very helpful :y. Was trying to source some info on the cooling fan relay or relays. Basically I only get high speed kick in when gauge gets uncomfortably high 90s. No low speed, never worked to be honest guys. Anyway his system was only able to confirm, part in question obsolete :( can anyone tell me are there 2 or 1. I.e high + low and which one or ones :y
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05omegav6

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Re: Cooling fan relays
« Reply #1 on: 02 April 2016, 14:51:54 »
Same as the horn relay... should be two but don't discount the radiator switches...

There is a guide for testing the system  :y
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tooleater

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Re: Cooling fan relays
« Reply #2 on: 02 April 2016, 18:17:18 »
Cheers for that. Ah could point me in the right direction as there is an awful lot of pages ???. Also forgot to post. Vx said the Orange Relay now obsolete :y
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RobG

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Re: Cooling fan relays
« Reply #3 on: 02 April 2016, 18:24:09 »
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Keith ABS

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Re: Cooling fan relays
« Reply #4 on: 02 April 2016, 19:06:30 »
  if its the green relay thats needed, have lots here

Keith ABS
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BazaJT

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Re: Cooling fan relays
« Reply #5 on: 02 April 2016, 20:33:40 »
Does the coolant temp sensor[the ecu one]in the coolant bridge have any bearing on  when/how the fans kick in?
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05omegav6

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Re: Cooling fan relays
« Reply #6 on: 02 April 2016, 21:32:27 »
Quote from: BazaJT on 02 April 2016, 20:33:40
Does the coolant temp sensor[the ecu one]in the coolant bridge have any bearing on  when/how the fans kick in?
Shouldn't do as they're also, independently, switched at the radiator ;)
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05omegav6

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Re: Cooling fan relays
« Reply #7 on: 02 April 2016, 21:36:22 »
That's to say the radiator switches should override any ecu influence if temp rises to/over the switch thresholds...

Do the test in the guide as the relays are pretty bombproof ime... My money is on Aircon not working due to low/no gas and the radiator switches being furred up/cooked.

Two separate issues and should be dealt with as such ;)
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tooleater

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Re: Cooling fan relays
« Reply #8 on: 05 April 2016, 19:05:24 »
Spot on,Air doesn't work either Or should I say never :-X.
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