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2002 Megane I overheating with A/C Off

1K views 4 replies 3 participants last post by  Brendan W 
#1 ·
Hi guys,

Something that has been bugging me for a couple of months now.
It seems that the radiator fan just doesn't kick in when heat gets up to the point where it should have normally kicked in by.
Last time the temperature has crawled up to one bar below the 'critical' section on the gauge before I noticed it was getting hot again.
This is normally only a problem in traffic and in underground parking lots (where you drive slowly and there is no airflow), on the highway it's completely fine
Once I turn A/C on, which in turn fires up the fan, all temps get back to normal level.

So it looks like the temperature gauge and probably sensor itself are fine, but something is preventing the radiator fan from turning on when its supposed to.
I'd appreciate some feedback on what I should check to get this problem fixed.
 
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