I used the Volvo sealant after doing my headgasket a couple of months ago. I don't know if I didn't let it cure enough, but it leaked like a sieve up by the cam gears. When I pulled the cam cover, there were big areas (1" or so) where there was no sealant. I used the Permatex sealant along with...

Thanks. I actually picked up a new ECT and have it in my garage. I'll give it a shot.

Would the sensor lead to my blowing coolant out? Regardless, I'll change it out.

Thanks for all the advice guys. The saga continues. Well, I replaced the thermostat yesterday with a Wahler thermostat. The old looked OK, but it didn't have the bleeder valve that Wahler/Volvo thermostats have. I ran it for a solid 20 - 30 minutes at idle with the reservoir cap off, trying to bleed...

Thanks. I'll check those out.

I was having a coolant leak after I first got my car. It seemed to be coming from the reservoir cap, but I also had coolant dripping off of the radiator. I replaced the radiator and bought a slightly used reservoir and cap. I also installed silicone hoses coming from the tank and the upper radiator ...