Quote:
Originally Posted by Jfrahm
My method is super easy and can be done with the engine dead cold.
1 - Clean off the overflow hose and put it in your mouth (no coolant will come out of it)
2 - loosen the bleed screw and put a wrench on it.
3 - Take off the reservoir cap and put your hand over the neck, this allows you to blow into the overflow into the reservoir.
4 - Blow, open bleed screw, close bleed screw, relax.
5 - Repeat 4 until you only get coolant. Tighten bleed screw properly.
6 - Rinse mouth with beer (or something)
7 - Go drive, heat on high, get car hot,
8 - Park with the nose up a bit, possibly in your driveway or good dip in a parking lot. Engine running, chock the wheel,
9 - Give it one last bleed at the screw (no hose-in-mouth at this point)
Works great, super easy. I do not even get air in the final bleed, I just do that to be certain.
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I was thinking of buying a pressure tester kit for this approximate purpose, but I found that a valve stem will fit in overflow hose. I haven't got it leak free, but it seems like it holds 10 psi well enough. Haven't had a chance to try it yet. I just cut a presta valve off an old bike tube.