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Forums › The Car › 206 Problems › Fan doesnt kick in at 100 deg |
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 Posted: Mon May 30, 2011 9:25 am |
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Joined: May 01, 2011
Posts: 219
Trade Rating: 0
Location: israel
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Hy fella's
I'm having a fan issue (again)
It wont kick in when temp reaches 100, it'll only give a 5-10 seconds of work when temp allmost reaches the red zone..
any ideas?
is there one relay\resistor for 100 degrees and another for "almost red"?
if so can anyone tell me where it's located? (if this could be the issue)
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Posted: Mon May 30, 2011 10:16 am |
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Joined: Feb 08, 2010
Posts: 7045
Trade Rating: +5
Location: In the garage
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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: Mon May 30, 2011 2:12 pm |
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Joined: Feb 12, 2010
Posts: 98
Trade Rating: 0
Location: Leeds, UK
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Yes there are separate relays for both the low and high speed fans.
Not sure which is which but I replaced both of mine recently as they were corroded.
They're only about £5 each from a Peugeot dealer.
As Edward's picture shows - the location is next to the fan itself, half way up on the left of the fan is load of wiring crammed into a plastic casing with them removable grommits that hold the trims on etc.
The two relays are in there.
Check the connections to them and all the wiring as it often corrodes away and mine actually had a snapped wire.
Andy
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Posted: Tue May 31, 2011 1:05 am |
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Joined: May 01, 2011
Posts: 219
Trade Rating: 0
Location: israel
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Hey thanks alot guys, i'll check that soon and report
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Posted: Tue May 31, 2011 11:27 am |
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Joined: Dec 23, 2010
Posts: 430
Trade Rating: +8
Location: staffordshire
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... just ordered 2 relays and a resistor from peugeot , collect them on thurs 
hopefully that will cure mine not working
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Posted: Tue May 31, 2011 11:38 am |
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Joined: Feb 08, 2010
Posts: 7045
Trade Rating: +5
Location: In the garage
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You can easily test relays. Just connect a +ve and -ve to terminal numbers 86 and 85. If the relay clicks the chances are it's working correctly.
As for the resistor, if you bridge the two terminals together briefly at the temp the fan should kick in then the fan should operate at high speed. Don't do it for long though because the low speed fan wiring is a smaller guage because of the lower current needed for low speed fan use.
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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 May 31, 2011 11:53 am |
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Joined: Jul 28, 2010
Posts: 1131
Trade Rating: +1
Location: Milton Keynes
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Mine comes on at 110?
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Posted: Tue May 31, 2011 12:05 pm |
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Joined: Dec 23, 2010
Posts: 430
Trade Rating: +8
Location: staffordshire
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| Edward wrote: |
You can easily test relays. Just connect a +ve and -ve to terminal numbers 86 and 85. If the relay clicks the chances are it's working correctly.
As for the resistor, if you bridge the two terminals together briefly at the temp the fan should kick in then the fan should operate at high speed. Don't do it for long though because the low speed fan wiring is a smaller guage because of the lower current needed for low speed fan use. |
trust me, the terminals are greener than the grass on my front lawn on my relays.
.. and from looking at the resistor, didnt realise it was supposed to be silver, mine looks like a blob of brown fur... unless its half a cat down there 
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Posted: Tue May 31, 2011 12:13 pm |
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Joined: Feb 12, 2010
Posts: 98
Trade Rating: 0
Location: Leeds, UK
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Well at least you know the fan is working Perry as it works at high speed.
The fact that the relays are rotten indicates you should be back on track once you get them replaced.
When I replaced mine I checked it was working on low speed by driving the car until it reached normal operating temperature, pulling over and letting it rise to 97 degrees then it did kick in.
by doing this you can just drive off down the road to cool it down quickly if it continues rising over 100+.
Like Mr Ziggerz says though his comes on at 110 so it may be over 100 degrees.
It won't do any damage letting it go up to this as the red is well past that.
The high speed fan is there to prevent the temperature going into the red and that's working on yours Perry.
Andy
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Posted: Tue May 31, 2011 12:56 pm |
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Joined: Dec 23, 2010
Posts: 430
Trade Rating: +8
Location: staffordshire
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| cosmicdance wrote: |
Well at least you know the fan is working Perry as it works at high speed.
The fact that the relays are rotten indicates you should be back on track once you get them replaced.
When I replaced mine I checked it was working on low speed by driving the car until it reached normal operating temperature, pulling over and letting it rise to 97 degrees then it did kick in.
by doing this you can just drive off down the road to cool it down quickly if it continues rising over 100+.
Like Mr Ziggerz says though his comes on at 110 so it may be over 100 degrees.
It won't do any damage letting it go up to this as the red is well past that.
The high speed fan is there to prevent the temperature going into the red and that's working on yours Perry.
Andy |
no, mine doesnt work at any speed, you must be thinking of someone else.
my fan only fires up if i bridge the relay.
also, my car takes an age to get to 80 let alone 90 , but if ive got a fan id like to know it did work if i ever need it.
ive relpaced the wiring , and cut away the rotten relay holders altogether, however ive ordered new relays anyway becouse the ones i have dont look too great even if they do work.
the fan still wasnt working after doing this, so therefore going to try a new resistor next and take it from there.
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Posted: Tue May 31, 2011 2:02 pm |
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Joined: Feb 08, 2010
Posts: 7045
Trade Rating: +5
Location: In the garage
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Have you tried connecting the fan directly to the battery to see if it works?
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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 May 31, 2011 2:51 pm |
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Joined: Feb 12, 2010
Posts: 98
Trade Rating: 0
Location: Leeds, UK
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Sorry Perry I replied to onricn's original thread where his fan worked at high speed!
If the fan works when you bridge the relay then the fan is fine but it's not being switched on.
You said you've cleaned the wired and replaced the relays so it can only be the resistor now.
You can test the high speed circuit by disconnecting the wire to the temperature sender unit on the engine block - the green one.
This causes the temperature gauge to shoot into the red on the dash as it's open circuit and the fan should kick in at high speed.
It will log a fault with the ECU saying high speed fan open circuit but won't cause the EML to come on or limp mode etc as I have done exactly this and it came up with fault codes when they read it.
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Posted: Tue May 31, 2011 3:16 pm |
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Joined: Dec 23, 2010
Posts: 430
Trade Rating: +8
Location: staffordshire
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| Edward wrote: |
| Have you tried connecting the fan directly to the battery to see if it works? |
if you mean me, then yes , and it works 
dont know about the OP though
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Posted: Tue May 31, 2011 3:17 pm |
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Joined: Dec 23, 2010
Posts: 430
Trade Rating: +8
Location: staffordshire
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| cosmicdance wrote: |
Sorry Perry I replied to onricn's original thread where his fan worked at high speed!
If the fan works when you bridge the relay then the fan is fine but it's not being switched on.
You said you've cleaned the wired and replaced the relays so it can only be the resistor now.
You can test the high speed circuit by disconnecting the wire to the temperature sender unit on the engine block - the green one.
This causes the temperature gauge to shoot into the red on the dash as it's open circuit and the fan should kick in at high speed.
It will log a fault with the ECU saying high speed fan open circuit but won't cause the EML to come on or limp mode etc as I have done exactly this and it came up with fault codes when they read it. |
nice info, thanks , will try that before i refit the new bits on thursday
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Posted: Wed Jun 01, 2011 12:55 am |
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Joined: May 01, 2011
Posts: 219
Trade Rating: 0
Location: israel
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Good thread, lots of important info here, you guys are the best 
Didn't get it sorted yet, going to the shop tommorow, will update.
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