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Pud237 · 29-04-2008

Originally Posted by Pokinacha

Hmmm
I've worked out what my car is doing now... at speeds of 80-120Km/h the temp is at 50 but after idleing for 5 minutes, the temp goes back to normal ie 75-90. up to 60-80Km/h the temp is fine but go over 80 and upward for a while and the temp will drop to 50 and less. WTF?

You need a new thermostat, yours is stuck open. The faster you go the cooler it gets..

29-04-2008	#43 (Post Link)
Pud237 AO Platinum Member Join Date: Apr 2006 Location: North Yorkshire Posts: 12,219 Member car: '99 Mondeo 1.8 TD (temp)	Re: Hot...Hot...Heat !!! Originally Posted by Pokinacha Hmmm I've worked out what my car is doing now... at speeds of 80-120Km/h the temp is at 50 but after idleing for 5 minutes, the temp goes back to normal ie 75-90. up to 60-80Km/h the temp is fine but go over 80 and upward for a while and the temp will drop to 50 and less. WTF? You need a new thermostat, yours is stuck open. The faster you go the cooler it gets..