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Burping the cooling system is easy. Fill rad to top and overflow jug to midway between cold and hot marks.
Start engine and crack the bleeder open while it is warming up. When you get no more air out of the bleeder, let it cool down and repeat the process again when its cold.
I have seen dealers not do this properly because they are not willing to wait for the cool down for the second bleed.
When its properly bled the overflow jug level will rise and drop when its warm and cold respectively. If you are not sure it is completely purged, just crack the bleeder again until no air or bubbles come out.
regards
Mech
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