Saturday, August 29, 2009

Cooling System

Finished off the cooling system, managed to find the bleed T eventually, and filled with cooling fluid. About bottle in I started to get wet feet, literally. I then remembered that there was an air bleed pipe coming off the block near the sprocket. Its a pain in the ass to get to which is why I hadn't put a pipe on it earlier. I mopped up and put the pipe on - Its blocked off on my installation as there is a more convenient place to fit the air bleed.

The next day i noticed some water on the floor, but i couldn't find where it came from, i topped it up and pressurized the system with an air line. I found the leak was coming from the solenoid on the heater valve. Its a brand new part apparently, oh well. The pipes are *tight* because they are 13mm so I took out the solenoid and had a look, it has an O-ring and this is no doubt not sealing properly. I decided that the only likely cure would be over liberal use of silicon sealant so got completely covered in goo. Sadly it made no difference so it could be a crack, or not enough goo. I gave up and ordered another one.

The reason I'm using this heater valve is that it is electric and doesn't disturb the flow when its switched off, this is ideal as any valve type controls are going to look out of place in the car. I will have a switch to turn on the hot air, in the seven I'm either roasting because its hot outside and the engine is acting as a giant space heater by heating up all the metal around me. Alternatively its a nice day but freezing cold in which case a heater would be nice, I suspect the fury will be the same therefore I'm not too worried about climate control I expect when i want to use the heater, I'll want all the hot air I can get.

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