Casondra

To start with I live in Maine, I own a 21 year old VW Cabriolet. I have replaced about $5000 in parts in the last 4 years. My problem continues to be that the thing overheats after 10 - 15 mins of driving. Now, it has a new water pump, thermostat and housing. However in trying to change the thermostat which I believe to be the issue, I stripped one of two bolts. The housing it attaches to is metal and the two parts on top of it I can't get out to replace the housing because of the fact it's SO rusty none of the bolts to get the top parts out will turn, so even though I have a new housing I can't get it in. I gave up on the water pump housing idea after that and rethought the situation. The problem is my thermostat. I have permatex high temp silicone sealant and one bolt will work. If I seal it with that, let cure and use the one bolt will it hold up? Or will the pressure be too much and screw my whole car trying this? Any advice would be lovely, thank you! Check it out on cardomain here : http://www.cardomain.com/ride/3931517/1990-volkswa...