the temp gauge on my 04 plate astra coupe fluctuates up & down but generally reads cold all the time , only when im sat in traffic does it get anywhere near the 90 deg mark , then goes down to cold again when the cars moving . car drives perfect & heater warms up as norm ! thanks in advance .
mine did the same thing until i got a leak in the water system. Nothing to worry about, Just keep an eye on coolantlevels and oil levels (same car y reg and they eat oil if your happy with the right foot!)
If you get steam go to a garage obviously usually a leak in the system.
Dave London
July 2012
replace thermostat
dave brom
February 2009
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