davedpc
New member
Is anyone knowledgeable with these items on T.D engines. My understanding is they allow the oil temp. to reach a higher than normal temp. to prevent the bores from glazing especially on boats not regularly used under load. These high temps. result in very viscous oil which is prone to little leaks. One of my local dealers recomended quote 'put a hole in the diaphram' as my boat is normally used under heavy load. Dave.
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