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 Posted: Mon Jul 02, 2012 1:29 am |
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Joined: Oct 04, 2010
Posts: 474
Trade Rating: +1
Location: The Rift
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i had my car resprayed and a new kit put on as most of you know a year ago, when i got it back the fan wouldnt turn on automatically so i took it to a garage for them to try and find the problem after a while he said he couldnt find the problem and said it was all wired up.
he fitted a switch instead so that i could manually turn it on when it got to 90 which worked fine and dandy.
i recently took the car back to the paint shop for a new front bumper fitting cause of a fox running into it. ive got it back and yet again the fan no longer works... (think they have something against fans there) i looked all around the car following the switch wire threw the dash into the engine bay and saw that it was connected inside a resistor so, im guessing this wire is the original wire for the fan i then had a quick tug to see if everything was tight and all of a suddon a thick white/cream wire came out with ease with quite alot of lime scale.
could this have been the problem orignally and the garage just missed it? or is this wire nothing to do with the radiator fan? the resistor (green) is right next to the fuse box. maybe all i need is a new resistor? and everything will be back to normal? this is me hoping anyway haha
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| F**k Scene YAWN
17 - 306 - 1.4 Blue - SOLD -18
18 - 206 - 1.1 Black - WROTE OFF -18
18 - 206 - GTi GREEN - Show Car - SOLD - 22
22 - Audi A4 - 1.9 TDi Silver - SOLD - 22
22 - Mercedes 190e - 2.6 White painted Purple - Gangster - present
27: maybe another 206? GTi 180?
Project GreenMachine: 206info.co.uk/Forums/v...rt=75.html | |
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Last edited by BigGreenDave on Mon Jul 02, 2012 5:04 am; edited 1 time in total
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Posted: Mon Jul 02, 2012 1:59 am |
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Joined: Feb 07, 2010
Posts: 2505
Trade Rating: +19
Location: West mids
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Sounds like the thermostat if stuffed if it isent not turning on auto did they try and see if the thermostat works with a mulimeter when it get to around 85-90? You could have a new thermostat fitted into your coolant pipe or the rad and have a separate loom to controll it.
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Posted: Mon Jul 02, 2012 2:15 am |
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Joined: Oct 04, 2010
Posts: 474
Trade Rating: +1
Location: The Rift
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| spike_202 wrote: |
| Sounds like the thermostat if stuffed if it isent not turning on auto did they try and see if the thermostat works with a mulimeter when it get to around 85-90? You could have a new thermostat fitted into your coolant pipe or the rad and have a separate loom to controll it. |
no idea if they checked for that thermostat is where? is it something i can get to threw the top? would be a smart idea to do it that way but whatever it is it looks like its going to need to be rewired and have new EVERYTHING just to be safe the switch is good to use but if i forget about and it is stud for a while im garanteed to be leaving with an AA truck haha
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| F**k Scene YAWN
17 - 306 - 1.4 Blue - SOLD -18
18 - 206 - 1.1 Black - WROTE OFF -18
18 - 206 - GTi GREEN - Show Car - SOLD - 22
22 - Audi A4 - 1.9 TDi Silver - SOLD - 22
22 - Mercedes 190e - 2.6 White painted Purple - Gangster - present
27: maybe another 206? GTi 180?
Project GreenMachine: 206info.co.uk/Forums/v...rt=75.html | |
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Posted: Mon Jul 02, 2012 3:36 am |
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Joined: Jun 20, 2012
Posts: 20
Trade Rating: 0
Location: Spennymoor
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Shouldnt the temp go past 90 before the fan comes on anyway??
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Posted: Mon Jul 02, 2012 3:45 am |
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Joined: Feb 07, 2010
Posts: 2505
Trade Rating: +19
Location: West mids
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The thermostat is in the....thermostat housing  it's the metal like block on the side of your engine were the pipe comes from to your rad it looks like a spark plug with a wire coming from it. It has to prongs on it you need to get it tested with a mulitmeter to see if the stat is working when the cars up to temp.
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Posted: Mon Jul 02, 2012 3:49 am |
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Joined: Oct 04, 2010
Posts: 474
Trade Rating: +1
Location: The Rift
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| spike_202 wrote: |
| The thermostat is in the....thermostat housing it's the metal like block on the side of your engine were the pipe comes from to your rad it looks like a spark plug with a wire coming from it. It has to prongs on it you need to get it tested with a mulitmeter to see if the stat is working when the cars up to temp. |
LOL to be honest i hope i have one  i think i wont have one at all that may be why it isnt working lol!
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| F**k Scene YAWN
17 - 306 - 1.4 Blue - SOLD -18
18 - 206 - 1.1 Black - WROTE OFF -18
18 - 206 - GTi GREEN - Show Car - SOLD - 22
22 - Audi A4 - 1.9 TDi Silver - SOLD - 22
22 - Mercedes 190e - 2.6 White painted Purple - Gangster - present
27: maybe another 206? GTi 180?
Project GreenMachine: 206info.co.uk/Forums/v...rt=75.html | |
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Posted: Mon Jul 02, 2012 5:00 am |
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Joined: Feb 07, 2010
Posts: 2505
Trade Rating: +19
Location: West mids
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It may just be broken internally so you may just need a new thermostat sensor but if you take it to any garage and ask them to test the thermostat if it's working they'll narrow it down for you,
Because when it reaches the set temp it will either open/close a circuit (can't remember witch one) but when it opperates you will see on a mulitmeter the reading change if it's working. It should only take 5mins if you go for a drive then leave it ticking over till the fan 'Should' kick in then test it.
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Posted: Mon Jul 02, 2012 5:06 am |
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Joined: Oct 04, 2010
Posts: 474
Trade Rating: +1
Location: The Rift
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| spike_202 wrote: |
It may just be broken internally so you may just need a new thermostat sensor but if you take it to any garage and ask them to test the thermostat if it's working they'll narrow it down for you,
Because when it reaches the set temp it will either open/close a circuit (can't remember witch one) but when it opperates you will see on a mulitmeter the reading change if it's working. It should only take 5mins if you go for a drive then leave it ticking over till the fan 'Should' kick in then test it. |
thanks Spike ill try that out
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| F**k Scene YAWN
17 - 306 - 1.4 Blue - SOLD -18
18 - 206 - 1.1 Black - WROTE OFF -18
18 - 206 - GTi GREEN - Show Car - SOLD - 22
22 - Audi A4 - 1.9 TDi Silver - SOLD - 22
22 - Mercedes 190e - 2.6 White painted Purple - Gangster - present
27: maybe another 206? GTi 180?
Project GreenMachine: 206info.co.uk/Forums/v...rt=75.html | |
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Posted: Mon Jul 02, 2012 5:30 am |
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Joined: Feb 08, 2010
Posts: 7045
Trade Rating: +5
Location: In the garage
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Thermostat is nothing to do with the fan. It just controls the flow through the radiator. ECU controls the fan.
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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 Jul 02, 2012 5:35 am |
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Joined: Oct 04, 2010
Posts: 474
Trade Rating: +1
Location: The Rift
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| Edward wrote: |
| Thermostat is nothing to do with the fan. It just controls the flow through the radiator. ECU controls the fan. |
^^^
This is not what i want to hear.... i like Spikes thoughts seems easier tbh
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| F**k Scene YAWN
17 - 306 - 1.4 Blue - SOLD -18
18 - 206 - 1.1 Black - WROTE OFF -18
18 - 206 - GTi GREEN - Show Car - SOLD - 22
22 - Audi A4 - 1.9 TDi Silver - SOLD - 22
22 - Mercedes 190e - 2.6 White painted Purple - Gangster - present
27: maybe another 206? GTi 180?
Project GreenMachine: 206info.co.uk/Forums/v...rt=75.html | |
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Posted: Mon Jul 02, 2012 6:56 am |
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Joined: Feb 07, 2010
Posts: 2505
Trade Rating: +19
Location: West mids
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| Edward wrote: |
| Thermostat is nothing to do with the fan. It just controls the flow through the radiator. ECU controls the fan. |
If the thermostat is duff and doesn't compleate the circuit, it won't send a signal to the ecu thus not turning the fan on. It has everything to do with the fan imo.
I think that's why they put an override switch to by pass the signal wire as it's not working.
Only way to find out bid just pop it down the local garage and request them to test it.
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Posted: Mon Jul 02, 2012 10:47 am |
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Joined: Sep 21, 2011
Posts: 317
Trade Rating: 0
Location: UK
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Does the car have air conditioning? If so, it has a single fan (with 2 electrical connections) but is 2 speed, achieved by 2 relays and a series resistor in the low speed circuit. The ECU controls when its switched on, and takes sensor inputs from a temperature sensor on the thermostat housing, the air conditioning pressostat and possibly a few other things within the ECU (for example the fan doesn't come on straight away after starting, even if the engine is hot - there is a slight delay, presumably to allow the battery to recover from starting).
Sounds like the first garage 'bodged' it by adding the manual switch, and that bodge has come to the end of its life and fallen off.
Have a look in the circuit diagram in the Haynes manual and check the fan, relays and resistor since these are pretty easy things to check. If you can't do this, get a garage which knows its a**e from its elbow to check it over.
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Posted: Mon Jul 02, 2012 10:48 am |
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Joined: Feb 08, 2010
Posts: 7045
Trade Rating: +5
Location: In the garage
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There is no signal to come from the thermostat. It's not electrical. It's a mechanical valve that controls coolant flow from the engine to radiator.
The ECU detects engine coolant temperature via the coolant temperature sensor. When the temperature gets above a certain level the ECU switches the relay which controls the radiator fan.
Sounds like (just with all 206's) the relays will be crusted up and you might even have broken wires going to the relays. I doubt it's anything too difficult to fix even without your little switch inside the car.
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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 Jul 02, 2012 10:58 am |
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Joined: Feb 07, 2010
Posts: 2505
Trade Rating: +19
Location: West mids
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Oh I think you mixed up what I'm saying I was on a bout the thermostat sensor mate well that's what I call it.. my k3 has got it's on stat/sensor for the ecu temp, so when it hits the set temp it turns my fan on. Then my extra stat/senser is for the dial/gauge on the speedo.
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