Weird goings on !!!!
Weird series of events, can anyone give an explanation ?
Was stuck in motorway traffic (M50 Dublin, 3 lane car park)
Noticed the temp gauge go over the 90 a bit, but it was a hot day so....
It climbed on towards the mark after the 90, fans had started running...I whacked the heater full on to help but it was blowing cold air, not hot.
Got the car off the motorway, parked up and let it cool, water level seemed fine.
When cooled i set off again in search of a garage where at least i would have water/coolant to top up if needed or radweld, suspecting a leak. Heater again on full heat but cold air.
Temp again climbed to near the mark above the 90 but no more, no overheating light at all.
Stopped, let it cool, checked water level, again OK.
Set off again to find a garage, temp again climbed over the 90 towards the next mark, was about to pull in when....
the temp dropped back to just above the 50 mark - by dropped i mean suddenly as if someone flicked a switch, took about 1 second to go from over 90 to above 50, I drove on, it climbed back to just below the 90 (normal) and stayed there, heater still on full now blowing hot air until I reached a garage.
Checked the water level and it took about 1 liter of coolant to top it up.
Drove home another 100 miles approx and it behaved as it should the whole way.
Any ideas ? Only thing that seems to make sense to me was the stat got stuck closed which is a rarity if even possible isn't it ? Hopefully no permanent damage done, might be paranoia but the engine does seem to have a distinct rattle I never noticed before.....lets hope it is paranoia.
2003,2.4 JTD,Nero black.
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