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 Posted: Mon Aug 26, 2013 4:07 pm |
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Joined: Dec 03, 2012
Posts: 96
Trade Rating: 0
Location: Doncaster
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Hello there, i've had my 206 for nearly 2 years now, but ever since buying it the cooling fan has not come on.
Managed to get away with turning the heater on to full and sweating alot (To much infomation, i apologise).
So i went into a garage to have an allingnment after changing my suspension arm and driveshaft as recomended by a guide on here. It was bang on so they didn't charge.
I mentioned the cooling problem, so he had a quick look, he said both relays work & made the fan spin using on of those power probe things.
This was all after driving there so the engine was at 90/100 degrees C.
He started it and let it idle, cooling fan didn't come on. He suggested the temperature sensor, &since he'd had a look for free i didn't want to take up anymore time.
So i replaced the CTS, the one front right with the connector pointing upwards, car runs better and isn't using the thermostat as much.
But, cooling fan still isn't having it.
Checked every fuse in the fuse box and they're all okay.
I read somewhere about there being 2 temp sensors, so maybe i need the other one?
Is this one from ecp, the one i need?
www.eurocarparts.com/m...121/p/home
Sorry for the wall of text just trying to give as much info as possible and waffle is the only way i know how.
Regards, Richard.
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Last edited by RichardEke on Thu Sep 05, 2013 6:20 am; edited 1 time in total
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Posted: Mon Aug 26, 2013 5:36 pm |
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Joined: Jan 13, 2013
Posts: 63
Trade Rating: 0
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Ye there's 2 temp sensors. One green one that faces upwards and one grey one that just to the left of the thermostat. Couldn't tell you if that's defo your problem though.
I had this exact problem but turned out it was one of my relays so was very cheap fix.
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Posted: Tue Aug 27, 2013 1:03 am |
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Joined: Feb 07, 2010
Posts: 7093
Trade Rating: +11
Location: Suffolk
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Its going to be the wiring for the fan at fault. Get it on a scanner and.perform an actuator test on the fan, performing low and high speed operations
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| Team Impossible Possible
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Posted: Tue Aug 27, 2013 4:28 am |
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Joined: Dec 03, 2012
Posts: 96
Trade Rating: 0
Location: Doncaster
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Thank you for the replies, does that mean it need to go into peugeot? Or just a garage with peugeot planet?
Cheers, Richard.
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Posted: Tue Aug 27, 2013 12:50 pm |
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Joined: Feb 12, 2010
Posts: 98
Trade Rating: 0
Location: Leeds, UK
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Hi Richard
I have had the common Peugeot 206 cooling fans failing problem and sorted it last year.
Which temperature sensor did you replace?
The blue sensor activates the cooling fans and so by disconnecting the wiring to it and starting the engine you can get the fans to spin this way, to test the circuit.
If the fans still don't spin then try replacing the relays and low speed resistor at the bottom. These are mounted in the wiring loom at the front of the car, next to the fans.
Altogether mine were no more than £20 from a Peugeot garage for all three.
Also check all the wiring around this area as it is very prone to corrosion.
Regards
Andy
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Posted: Tue Aug 27, 2013 2:15 pm |
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Joined: Feb 08, 2010
Posts: 7045
Trade Rating: +5
Location: In the garage
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What car is it? Put the air con on. That switches on the fan at low speed - if it works. It's always the relay terminals or the wiring to them is badly corroded.
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| 2001 GTi 138, Bilstein Sprint dampers, H&R springs, 21mm Peugeot Sport torsion bars, 22mm rear ARB, Peugeot Sport Group A wishbones, 283mm discs, Goodridge stainless hoses, Maniflow 304 grade 4-2-1 2.5" manifold and system, 200 cell cat, Richard Longman head, 45mm Jenvey throttle bodies, 9.5mm TB spacers, 90mm air horns, Jenvey throttle linkage, Jenvey fuel rail, Aeromotive and Goodridge fuel fittings and braided hose, ITG sausage filter, Radtec custom radiator, Piper Ultimate Road cams, Piper vernier pulleys, Omex 600 ECU. Saxo electric PAS pump, Vibra Technics engine mounts. Samco coolant hoses, TTV steel flywheel, 4.76 final drive ratio, 307 CC 180 ratios. 2019 BMW 530i. 2017 Mercedes C300 convertible. | |
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Posted: Tue Aug 27, 2013 6:03 pm |
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Joined: Dec 03, 2012
Posts: 96
Trade Rating: 0
Location: Doncaster
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Andy: I replaced the one in this guide:
www.206info.co.uk/Foru...56271.html
I did try unpluging it while the engine was running but the fan didn't come on. When the mechanic removed the relays to check he cleaned the contacts on a wire wheel, might have a look at cleaning the connector tomorrow.
Edward: 2002 1.1L look with AC. I tried the AC today and when the car was upto temperature the fan didn't come on.
Both of these i think go with what Addaz said earlier, tomorrow i will find a garage with peugeot planet .
Regards, Richard.
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| Life would be easier with universal jointed arms and fingers sometimes | |
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Posted: Wed Aug 28, 2013 1:05 am |
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Joined: Feb 07, 2010
Posts: 7093
Trade Rating: +11
Location: Suffolk
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The temperature sensor does not control the fans by any means, it advises the bitron unit which controls all the fan setup/gauge.
Probably at a guess end being either the low speed fan resistor or the front harness
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| Team Impossible Possible
The only way of finding the limits of the possible is by going beyond them into the impossible - Arthur C. Clarke
Forged 1.6 Turbo
Click to see more
144Bhp @ 7PSi - 193.9Bhp @ 13psi
206 Gti Race Car
Click to see more
For all Race/Track Preparation, Feel Free to PM Me!
Whether its for a custom ratio gearbox or track-day alignment, I can help! | |
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Posted: Wed Aug 28, 2013 3:31 am |
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Joined: Feb 12, 2010
Posts: 98
Trade Rating: 0
Location: Leeds, UK
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I agree that the temperature sensor doesn't control the fan directly but by disconnecting the blue sensor it does cause the fan to come on, when the engine's running, if it is in working order.
It's a quick way to test if the fan circuit is working.
If the fan does work when it's disconnected then it's a possible fault with that sensor.
The OP said he disconnected a sensor and had one replaced too but I'm not sure which one.
Andy
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Posted: Wed Aug 28, 2013 6:47 am |
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Joined: Dec 03, 2012
Posts: 96
Trade Rating: 0
Location: Doncaster
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I inderstand that it should turn it on, there would be infinate resistance and the ECU should turn it straight on.
Quick update: Went to the garage i saw originaly, they have Snap-on scanners but it would be next week. Went down the road and found another place, receptionist didn't know what they had but they could have a look at 1:30pm, so i'm going back for 1:30, will give you an update after that.
Regards, Richard.
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| Life would be easier with universal jointed arms and fingers sometimes | |
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Posted: Wed Aug 28, 2013 7:34 am |
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Joined: Feb 12, 2010
Posts: 98
Trade Rating: 0
Location: Leeds, UK
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When I replaced my two relays for the cooling fan I dismantled them inside and they were heavily corroded.
It's not something you can see from the outside so even cleaning the contacts where they plug in wouldn't resolve this.
Like I say the total parts were £20 and by checking the wiring around this area too it means that it is a very good chance it will work fine then.
I appreciate my method was replacing parts by elimination but they were worn out and corroded which is a common fault with this car so it's highly likely to be a solution.
Andy
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Posted: Wed Aug 28, 2013 8:30 am |
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Joined: Dec 03, 2012
Posts: 96
Trade Rating: 0
Location: Doncaster
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P0485 - Cooling fan status.
P0118 - Coolant temp sensor circuit.
The guy seemed to say probably the wires in the front. When i get back from work the bumper will come off and i'll check the wires for continuity, failing that i'll make a circuit that'll do the same job myself 
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| Life would be easier with universal jointed arms and fingers sometimes | |
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Posted: Wed Aug 28, 2013 10:06 am |
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Joined: Jan 13, 2013
Posts: 63
Trade Rating: 0
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The front bumper doesn't have to come off pal. Just a plastic panel next to the fan unit opens up the wiring and relays
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Posted: Wed Aug 28, 2013 12:19 pm |
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Joined: Dec 03, 2012
Posts: 96
Trade Rating: 0
Location: Doncaster
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Hello, quick question, if one fan circuit is broken will that stop the other one working?
With the multimetre, one of the pins that should go to ground isn't, it's floating around the 0.5v mark. But will this cause the other relay not to work?
Tested both relays and one works but the other doesn't, in fairness to the mechanic it still clicked but there is no connection. Which Relay controls high fan speed, top or bottom?
Cheers Jordy, i've just realised 
Regards, Richard.
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Posted: Mon Sep 02, 2013 5:49 am |
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Joined: Dec 03, 2012
Posts: 96
Trade Rating: 0
Location: Doncaster
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Hello,
So i've managed to solve the problem, think it was 3 things really.
1. Coolant temperature sensor, the part that came out said 'Jaeger France' so i presume that's OE. After replacing, the temperature fluctuated less and the old part had some residue that i couldn't remove, i'm thinking that was 'dulling' the temp reading.
2. Low speed relay, simply it was broken. £6 replacement part from peugeot.
3. Low speed fan resistor (the cage thing with a coil in it) the resistance was all over the place, on the new part it was 0.8/9 ohms. Shinny new part was £19 from peugeot, which was a little expensive for a 1 ohm resistor, but it can disipate the energy for the low speed operation.
Thank you for your help, much appreciated.
Finaly a couple of websites that helped me:
www.petercoopercarrepa..._fan_w.htm
puggy206.blogspot.co.u...5.html?m=1
Got stuck in a traffic jam on the motorway and wasn't worried for once yesterday, worth sorting out.
Cheers, Richard.
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| Life would be easier with universal jointed arms and fingers sometimes | |
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