Hello!

Here is the situation.
I start the engine, go driving. It takes about 3-4 minutes for the needle to move to the centre position (normal temperature).
Then after a while it starts going towards the red area (not good).
When I press the gas pedal, it moves backwards (good).

OK sound like a defected thermostatm but wait...

I park the car. Engine running at 700 rpm.
Heating is off.

Now I turn the heating on (to the max position).
The temperature needle starts moving to the red area and reaches it in 15 seconds.
When I turn the heating off, the needle moves back to the centre.

I have noticed the same thing while driving.

Well... salong heating should cool the cooling system as far as I`m conserned.

Is there an electrical problem?
I am confused.

Ask me extra questions if the above info isn`t enough.
BTW sometimes the temperature needle moves with the heating off too.


Thanks,
Kristjan