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 Posted: Fri Aug 17, 2012 6:08 am |
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Joined: Sep 12, 2010
Posts: 95
Trade Rating: 0
Location: cairo,egypt
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i still have the same problem that the engine temperature rises till 100 degrees and stays at that point then when i press the fuel pedal few times the the low speed fan kicks in and the temperature goes back to 90, i have turned on the a/c to check if the low speed fan kicks in with it or not and fortunately it worked and i disconnected the low speed fan resistor to check if its broken but the as soon as i disconnected the resistor plug the low speed fan stopped so that shows that the low speed fan resistor is working fine, and i have cleaned the temperature sensor (green one) and plugged it back and still the low speed fan doesn't kick in when it reaches 90 degrees or above, i have to admit that both fan speeds works fine with the a/c, but with engine temperature issues it's not functioning with low speed fan, only high speed works when temp rises above 100 degrees. i also wanted to know what is the sensor that is located below the green temp sensor which is also connected with 2 wires only maybe that could be a factor for the temperature problem, i just noticed that the engine didn't start when i unplugged that plug, and also another thing i need to tell is that i removed the thermostat for better engine cooling when running.. so please tell me what could cause the the slow speed fan for not working with increasing temperature??
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Posted: Fri Aug 17, 2012 6:10 am |
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Joined: Jul 16, 2012
Posts: 54
Trade Rating: 0
Location: Hemel Hempstead
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The low speed fan should kick in at 99/100.
With the AC on it should never really get that hot because the fans keep it cool enough
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Posted: Fri Aug 17, 2012 7:39 am |
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Joined: Oct 05, 2011
Posts: 672
Trade Rating: +2
Location: Notts
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:/ what other sensor ?
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Posted: Fri Aug 17, 2012 7:47 am |
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Joined: Oct 05, 2011
Posts: 672
Trade Rating: +2
Location: Notts
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the low speed fan could be effected by anything from dodgy wiring the relays are known to cause problems from corrosion, i myself had to replace and rewire the whole radiator fan system because it was all green and broken only takes around 30minutes - 1hour depending if you have the correct tools , soldering iron , new relays , enough electrical cable to rewire this area
you could also try a new resistor there only £5
you may have a faulty sensor take it to a garage and have them run a diagnostics on your can and see if there are any problems
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Posted: Fri Aug 17, 2012 8:26 am |
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Joined: Feb 08, 2010
Posts: 7045
Trade Rating: +5
Location: In the garage
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I'd remove the resistor so the low speed fan becomes high speed!
Low speed fan might stop working because the power has shifted to make the higher speed fan work. I can't remember how it's wired exactly.
Green sensor is the coolant temp sensor. This tells the ECU the coolant temperature. The ECU then switches the relays for the cooling 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: Fri Aug 17, 2012 9:03 am |
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Joined: Sep 12, 2010
Posts: 95
Trade Rating: 0
Location: cairo,egypt
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| 138Andy wrote: |
:/ what other sensor ?
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the black plug just below the green cable by 4cm
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Posted: Fri Aug 17, 2012 9:32 am |
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Joined: Sep 12, 2010
Posts: 95
Trade Rating: 0
Location: cairo,egypt
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| 138Andy wrote: |
the low speed fan could be effected by anything from dodgy wiring the relays are known to cause problems from corrosion, i myself had to replace and rewire the whole radiator fan system because it was all green and broken only takes around 30minutes - 1hour depending if you have the correct tools , soldering iron , new relays , enough electrical cable to rewire this area
you could also try a new resistor there only £5
you may have a faulty sensor take it to a garage and have them run a diagnostics on your can and see if there are any problems |
if the wires or resistor where damaged then the low speed fan wouldnt have worked with the a/c , right?
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Posted: Fri Aug 17, 2012 10:21 am |
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Joined: Sep 12, 2010
Posts: 95
Trade Rating: 0
Location: cairo,egypt
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i have just tested the engine and it turned out that the low speed fan kicks in at 100 degrees and drops it down to 92 , could it be a faulty temp sensor?
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Posted: Fri Aug 17, 2012 12:00 pm |
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Joined: Oct 05, 2011
Posts: 672
Trade Rating: +2
Location: Notts
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is that not normal ? :/ , mine goes a little above the 90 mark then turns on drops a little below 90 but your in egypt much hotter climate  could you not get peugeot or someone with the program on there computer to change what temp the cooling system turns on and off ?
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Posted: Fri Aug 17, 2012 1:21 pm |
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Joined: Sep 12, 2010
Posts: 95
Trade Rating: 0
Location: cairo,egypt
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it does the same thing in winter, weather is not an issue
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