Delica Canada | Mitsubishi Van Club

From cold, the van warmed up as usual. After 5 minutes of driving I noticed there wasn't much heat coming from the heater, glanced over to my temp guage to see it alarmingly high (near the top - not red though). I pulled over and let it cool. The radiator was full but the reservoir was empty (it was full when I checked it last week). I topped everything up, and the same thing happened again. This time I noticed that the temperature went high, then just stayed there. The van felt fine, still running smooth, but the temperature stayed high - just below the highest white mark, and not into the red.

I think the thermostat could be stuck closed - it explains everything except the loss of coolant from the resevoir. Any ideas?

Thanks, glenn

I dream of solutions like that. Just wiggle the sensor and it's fixed. While these kind of fixes seem to never work for me, you can bet I will be out there in the morning wiggling.

Thanks Falco

Hopefully it's the wiggle.

If not, you can test your thermostat in a pot of hot water to see when it opens.

If it doesn't open, then thermostat is suspect. If it does open, sensor is suspect. If both sensor and thermostat test good, then you may have blockage somewhere. Usually calcium buildup in the rad. When was the waterpump done last ?

OK, so either my sensor is faulty, or my van stayed hot all night. I'm going with the faulty sensor - unless perhaps I'm having problems with the fundamental laws of physics.

For once it's the simple problem. Glenn