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displaying posts 1 to 11 of 11
| Author | Subject: fan issue, brown plug |
 hsustyle
Seasoned Pro  Location: High Hurstwood Registered: 08 Nov 2011 Posts: 1,037 Status: Offline |
Post #1
Car is nice and cool until I get stuck in a traffic jam or dead slow town traffic, temp hits 90-95 C and fans kick in as they should but today they didn't kick in.. I pulled over and unplugged the brown plug and fan/fans kicked in.any ideas why unplugging it triggered the fans to come on? ________________________________________ Beef Beyond Belief |
 Posted 20th Jun 2012 at 18:06
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jimmyhackers
Seasoned Pro  Location: birmingham Registered: 14 Jun 2011 Posts: 1,144 Status: Offline |
Post #2
that is a doosey :S when you pulled over and unplugged the brown plug was your engine still running and running over the desired tempreture?on the bright side of the problem your fans are working and you wont need a new one. it would suggest an electrical/wiring problem. first port of call would be check your relays. take em out shake em about. after that, wiring, look for burnt, crispy, nicked, clamped or squashed wires. ________________________________________ the world is changed by people in sheds |
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Posted 20th Jun 2012 at 18:13
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hsustyle
Seasoned Pro Location: High Hurstwood Registered: 08 Nov 2011 Posts: 1,037 Status: Offline |
Post #3
I'll have a poke about when I get home and try some combinations and update on here. fans stop when they should..________________________________________ Beef Beyond Belief |
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Posted 20th Jun 2012 at 18:36
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hsustyle
Seasoned Pro Location: High Hurstwood Registered: 08 Nov 2011 Posts: 1,037 Status: Offline |
Post #4
Engine was off when I pulled off the brown plug by the way. stayed on until I turned the key to the second point.it would then stop and stay off even when I have remove the key.________________________________________ Beef Beyond Belief |
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Posted 20th Jun 2012 at 19:19
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anth
Seasoned Pro  Location: Colchester Registered: 04 Apr 2006 Posts: 3,651 Status: Offline |
Post #5
The fans should come on if you pull the plug it's expected behaviour.Could be the coolant temp sensor. Green one. Did both fans come on web you unplugged the sensor. You should get a few seconds o slow speed then it will kick in fully |
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Posted 20th Jun 2012 at 19:48
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hsustyle
Seasoned Pro Location: High Hurstwood Registered: 08 Nov 2011 Posts: 1,037 Status: Offline |
Post #6
anth wrote: The fans should come on if you pull the plug it's expected behaviour. Could be the coolant temp sensor. Green one. Did both fans come on web you unplugged the sensor. You should get a few seconds o slow speed then it will kick in fully both fans came on when I unplugged it. now,the car came to just over 70c, I parked up with brown sensor unplugged and fans came back on.I'll try a working green coolant temp sensor. ________________________________________ Beef Beyond Belief |
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Posted 20th Jun 2012 at 21:07
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welshpug!
Capt Pedantic  Location: Bigend, Wales. Registered: 27 Mar 2007 Posts: 25,838 Status: Offline |
Post #7
its a failsafe thing, if the sensor goes down the fans come on flat out, likely to be a sticky relay, faulty brown sensor, or faulty bitron unit.green one wont affect the fans one bit, that's for the ecu. ________________________________________ need a part number? get on here - http://public.servicebox.peugeot.comBring on the Trumpets. |
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Posted 20th Jun 2012 at 22:25
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hsustyle
Seasoned Pro Location: High Hurstwood Registered: 08 Nov 2011 Posts: 1,037 Status: Offline |
Post #8
Cheers Mei,I'll check the relay in the morning.ok to leave the brown one unplugged for now till I find what's wrong?________________________________________ Beef Beyond Belief |
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Posted 20th Jun 2012 at 23:02
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hsustyle
Seasoned Pro Location: High Hurstwood Registered: 08 Nov 2011 Posts: 1,037 Status: Offline |
Post #9
Where is the fan relay located?________________________________________ Beef Beyond Belief |
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Posted 21st Jun 2012 at 08:22
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welshpug!
Capt Pedantic Location: Bigend, Wales. Registered: 27 Mar 2007 Posts: 25,838 Status: Offline |
Post #10
there's three in a little box behind the grille.________________________________________ need a part number? get on here - http://public.servicebox.peugeot.comBring on the Trumpets. |
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Posted 21st Jun 2012 at 12:06
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hsustyle
Seasoned Pro Location: High Hurstwood Registered: 08 Nov 2011 Posts: 1,037 Status: Offline |
Post #11
Got it.all sorted eventually got to the relay, unplugged,wiggle wiggle. told it to get f*%$ed and now it all works. Left the car running on my drive,took a while to heat up.crept to 93-95 and both fans came on and temp went back to a steady 85-90.French msgic. thanks anyway guys, informative as always________________________________________ Beef Beyond Belief |
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Posted 21st Jun 2012 at 12:39
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