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Mercruiser Thermostat Housings

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Mercruiser Thermostat Housings

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Old 08-15-2016, 07:02 PM
  #11
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Join Date: Jul 2012
Location: Central Square & Fishers Landing, 1000 Islands NY
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I may have to
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Old 08-15-2016, 07:49 PM
  #12
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Originally Posted by 1000 islander View Post
Ok, talked to a buddy who is a great marine mechanic/Mercury tech and he told me the thermostats definitely go under the brass sleeves and that all mine are wrong, so I will correct that. These look to have been like this since I have owned this boat (4 years). What no one can tell me is if this will cause an increase in water pressure. I guess I will know soon enough as I ordered three new brass sleeves and three sets of gaskets and I will change it all this week.
Like I said it all depends on serial numbers. We tried to put t stats under the brass ring. It wouldn't fit in the housing.
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