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Just wondered how long it takes your 3008 to start registering any change of coolant temperature on these cold mornings. I noticed this morning that after approx 3 miles it hadn't even reached the first bar (50C marker) which I thought was a bit odd, I tapped the top of the dashboard and the first bar on the gauge lit up. Coincidence??? Mechanical gauges might stick, but I'm not sure how tapping the dashboard would make a digital display start registering.
 

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Morning Lee,

It used to be that the thermostat used to stay closed until such time the coolant temp had got to a certain temperature. This would make the coolant circulate round the engine before being let out into the wider system. This maybe why the display isn't registering anything for a while. I don't now where the sensor is on these cars these days.

Grumpy
 

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I went to town and back, 5 miles, and mine only just started to register when I got home. Was the coldest day so far though.
 

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Mine also takes a while to start showing the temperature, but this is normal I think, engines are more efficient these days.

Tapping on the digital instrument cluster is pure coincidence though :)
 
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