Hi All-
I'm looking for several pieces of advice after (trying to) winterizing my A4 for the first time. Here's the details ...
We purchased our 1978 Pearson 31 w/ late model A4 in the spring of 2010
We had the marina winterize the engine at the end of 2010
We decided to winterize the engine ourselves this year after getting last year's bill!
While following Moyer Marine's winterizing instructions i found-
a) the drain plug for the exhaust manifold had been stripped out and was jammed (barely) in place.
b) The thermostat was never removed to winterize the engine based on the thermostat housing being very rusted in place.
I proceeded to winterize the engine by clamping off (as best I could) the bypass tube and running the engine long enough to suck in 1.5 gallons of -100F antifreeze and watch some of it come out the exhaust.I also removed the temperature sensor and poured more antifreeze into the block via funnel & tube.
Questions-
1) When the drain plugs are removed, what percentage of coolant in the engines water jacket drains out?
2) What is the total volume of coolant held in the engines water jacket?
3) Is there a way to verify sufficient antifreeze has been forced into the engine? We sail on Lake Champlain in Vermont (very cold winters).
4) can the drain hole in the exhaust manifold be repaired in place? Is drilling and tapping my only option?
5) Any tricks to getting the thermostat housing off?
Thanks!
I'm looking for several pieces of advice after (trying to) winterizing my A4 for the first time. Here's the details ...
We purchased our 1978 Pearson 31 w/ late model A4 in the spring of 2010
We had the marina winterize the engine at the end of 2010
We decided to winterize the engine ourselves this year after getting last year's bill!
While following Moyer Marine's winterizing instructions i found-
a) the drain plug for the exhaust manifold had been stripped out and was jammed (barely) in place.
b) The thermostat was never removed to winterize the engine based on the thermostat housing being very rusted in place.
I proceeded to winterize the engine by clamping off (as best I could) the bypass tube and running the engine long enough to suck in 1.5 gallons of -100F antifreeze and watch some of it come out the exhaust.I also removed the temperature sensor and poured more antifreeze into the block via funnel & tube.
Questions-
1) When the drain plugs are removed, what percentage of coolant in the engines water jacket drains out?
2) What is the total volume of coolant held in the engines water jacket?
3) Is there a way to verify sufficient antifreeze has been forced into the engine? We sail on Lake Champlain in Vermont (very cold winters).
4) can the drain hole in the exhaust manifold be repaired in place? Is drilling and tapping my only option?
5) Any tricks to getting the thermostat housing off?
Thanks!
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