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Old 11-01-2007, 10:49 AM
brakauskas brakauskas is offline
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Winterizing cooling system

I have a 1977 Columbia 8.7 with a later A4. I have some questions on the steps for winterizing the colling system. I have a raw water system in which the past owners would just put the intake hose in a bucket and run antifreeze through the system. I notice that you have extra steps such as removing the drain plugs and and removing the thermostat. If these steps are bypassed what could happen to the engine? If the thermostat is not removed and drain plugs are also not removed will I have water in the block and risk a crack upon freezing?
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