#31: Re: Temp goes through the roof & no a/c now Author: Dannyskittles, Location: WalsallPosted: Wed May 16, 2012 2:48 pm ---- It don't happen quickly thou, from cold to 90 takes about 15 mins maybe more, that's not driving, driving it reaches temp normally, ok so I'll get the air con re gassed and go from there, and in the mean time I'll unplug the air con sensor and see if the fan will spin, hopefully it will but I'm not getting high speed fan when driving anyway, plus when I'm driving my temp stays at 70, but I only have to stop in traffics for 8 - 10 mins and it's going over 90, and I have to put car heaters on full and open windows or pull over,
Cars doing my head in now, just want to start again, new loom, new rad, new fan, new engine lol but hey might as well buy a new car. Peugeot wanted 60 for the rad loom, and 140 for the fan and motor, I don't know how they can justify this, I had a go at the bloke when I brought the relays, I know it wasn't his fault but I wanted to have a rant at someone,
#32: Re: Temp goes through the roof & no a/c now Author: Deckchair5, Location: Bath UKPosted: Wed May 16, 2012 11:59 pm ---- OK well that doesn't sound so much like head gasket gone, the more details you provide then the more accurate the responses
At 90C the engine thermostat is only just opening so the rad fan won't start on low speed until around 95-97C as it's not needed
To find whether your fans are going to work without taking the engine temp up tp dangerous levels then you could use a simple variable resistor in place of the ETS and then you could simulate your engine going to any temp you like
For the moment, while you are sorting the problem, you could simply make your rad fan run at low or high speed continuously so it doesn't ever get to too high temps. The engine thermostat will make sure the engine still gets to the correct running temperature
If the coolant passing by the ETS is over boiling point but the ETS isn't sensing it over temp then there's something wrong with the ETS circuit
#33: Re: Temp goes through the roof & no a/c now Author: Dannyskittles, Location: WalsallPosted: Thu May 17, 2012 8:41 am ---- That was my last resort, to wire fan up So is on all the time, but then I was unsure because of engine getting up to temp, but you say it will anyway? As the thermo will do that? And how would I do that? By just using the low speed relay? As I'd have to take it from the battery?
To be honest it's doing my head in now, car has just passed mot thou so it's decent enough, so don't really want to get rid, I'm changing the ets today, and going to start stripping stuff off and see if I can find any faults, am I missing a fuse maybe? Iv checked the obvious, and what someone said in the previous post, maybe I'm missing one?
#34: Re: Temp goes through the roof & no a/c now Author: Deckchair5, Location: Bath UKPosted: Fri May 18, 2012 12:49 am ---- That was my last resort, to wire fan up So is on all the time, but then I was unsure because of engine getting up to temp, but you say it will anyway? As the thermo will do that?
Yes the engine thermostat will take care of engine temp, the radiator and rad fan is only needed for the excess temps
And how would I do that? By just using the low speed relay? As I'd have to take it from the battery?
Just supply a fused 12v supply to the slow speed resistor on the non fan side and you will have low speed fan on permanently with ignition on
#35: Re: Temp goes through the roof & no a/c now Author: fliss76, Posted: Mon May 19, 2014 8:28 am ---- i have had same problem so changed the wiring loom for the radiator fan relays & changed the resister switch for the radiator. fans all work fine now but this has caused a fault with the roof mechanism & now the roof wont work & constant beeping noise. can anyone help plz
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