#1: Another cooling problem Author: Squiffy73, Posted: Fri Apr 10, 2015 1:37 am ---- Good morning all, I'm having trouble with the cooling system, the low temp relay is not kicking in, the relay itself works as I swap it with the high temp one and it kicks in, if I manually activate the coil it runs the fan, is it controlled via a separate temperature sensor to the high temp relay? If not I don't understand how it works at high temp but not low? Please help
After another look it's the lower relay that doesn't kick in I'm guessing it's the low temp relay because the fan only comes on when the engine gets really hot and the stop sign flashes, any ideas?
#2: Re: Another cooling problem Author: Edward, Location: In the garagePosted: Fri Apr 10, 2015 4:37 am ---- If the fan only comes on when it's very hot but both relays work them check the wiring to the low speed relay.
#3: Re: Another cooling problem Author: Squiffy73, Posted: Fri Apr 10, 2015 4:49 am ---- The original wiring to the relay was corroded so I remade the end of, not sure where the other end goes, don't have a correct wiring diagram
#4: Re: Another cooling problem Author: iNTEGRALE, Location: Barcelona (Spain)Posted: Sat Apr 11, 2015 1:09 am ---- is common fault
exist a resistor between fan and relay box who make slower the fan
simply change it
#5: Re: Another cooling problem Author: Squiffy73, Posted: Sat Apr 11, 2015 1:20 am ---- The picture you posted is the resister coil, what resistance should I read over the coil? I don't want to swap it if it is ok
#6: Re: Another cooling problem Author: RichardEke, Location: DoncasterPosted: Sat Apr 11, 2015 4:29 am ----
Squiffy73 wrote:
The picture you posted is the resister coil, what resistance should I read over the coil? I don't want to swap it if it is ok
I purchased a brand new one from Peugeot and it was 0.8/0.9 ohms.
Regards, Richard.
#7: Re: Another cooling problem Author: Squiffy73, Posted: Sat Apr 11, 2015 4:46 am ---- Thanks Richard, I've just bypassed the coil and still nothing, I think i must have no power to the relay coil because if I physically move the relay the fan runs, the fan coil obviously switches when it warms up so bypassing should bring on the fan but it doesn't. I think I'll have to get dirty and trace the wires thanks anyway
#8: Re: Another cooling problem Author: Leegsi, Location: Near PortsmouthPosted: Sat Apr 11, 2015 11:44 am ---- You cant just bypass it.
Take the covers of the relays and press each one to see if the fans then work.
Mine turned out to be 2 faulty relays and a broken wire going into the relay holders
#9: Re: Another cooling problem Author: Squiffy73, Posted: Sat Apr 11, 2015 11:55 am ---- I've done that, physically moving the relays makes the fan run, so it's whatever is energizing the relay coil, so the coil is not energizing it's either a faulty component ( that's why I tried to bypass the radiator coil) or a broken wire somewhere in the circuit
#10: Re: Another cooling problem Author: Leegsi, Location: Near PortsmouthPosted: Sat Apr 11, 2015 12:08 pm ---- When you dissconnect the temperature sender wire (Cant remeber what wire but I think the plug might be green) the high speed one should come on (Even with just the ignition on and engine not running).
If it does swap the relays over and try again. If it comes on with the second relay you know they are good.
#11: Re: Another cooling problem Author: Squiffy73, Posted: Sat Apr 11, 2015 12:10 pm ---- Yeah tried that, the relays both work fine. Thanks for the suggestions though
#12: Re: Another cooling problem Author: MrBSI, Location: What's it to you? ? ?Posted: Sat Apr 11, 2015 12:11 pm ---- I've got a cooling fan harness to repair soon on a multiplexed 206 with A/C, I might even do a How To with pictures & a brief description of how its meant to work / what the components do.
#13: Re: Another cooling problem Author: Squiffy73, Posted: Sat Apr 11, 2015 12:13 pm ---- That would be very useful
#14: Re: Another cooling problem Author: MrBSI, Location: What's it to you? ? ?Posted: Sat Apr 11, 2015 12:16 pm ---- Might have to wait a couple of weeks, depends on work / weather to when I get round to doing it
#15: Re: Another cooling problem Author: Squiffy73, Posted: Sat Apr 11, 2015 12:19 pm ---- No worries, if I ever manage to solve it I'll let you all know
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