Help! my Volvo has just started over-heating!
Discussion
In the last couple of days the temperature needle on my Volvo 440 keeps running up to the high mark (particularly when I'm idling) and I'm having to put the heater and all the blowers on full to bring it back down again. Any ideas what's causing it? I'm not losing water from anywhere.
Since I last posted I took the car to a garage and had the thermostat replaced and the fan sender switch checked and cleaned - the car is still running hot! I've checked the hoses from the radiator as asked and they are warm. Yesterday I put some radiator sealer in the radiator, just in case there's a leak, but that doesn't seem to have made any difference yet. What else could it be?
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