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TR2/3/3A Replacement of Engine Coolant Drain


Freshman Member
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Any thoughts on removing and replacing the coolant drain plug on the engine block of a TR3. The original is leaking through the plug body where the handle swivels to open and close the drain, so I purchased a replacement from Moss Motors. Has any one removed the drain without first removing the carbs. While it appears to a straight mechanical removal (drain screws into the engine block), the lack of working space may make the removal of the carbs necessary.


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Iā€™ve done it many times without removing other parts. The only issue is i bet money the replacement will leak out if the package. Goop it with thick grease and it will likely seal.


Great Pumpkin - R.I.P
Might be pretty tough, depending on how corroded the joint is and how fat your arms are. I have to take a fair amount of stuff off just to get my hand down in that area.
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