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Old 03-02-2016, 12:02 PM   #1
City: Puyallup, wa
Country: USA
Vessel Name: Point Andreas
Vessel Model: Pacific Trawler 37
Join Date: Nov 2013
Posts: 15
Coolant Drain on Perkins 6.354M

I am trying to locate the drain plug for the coolant/antifreeze on a Perkins 6.354M. build date was about 1976. we can drain using the coolant line going to the heater in the fwd berth but we are thinking that will not get all of the coolant from the block. thank you for any help.

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Old 03-26-2016, 08:18 PM   #2
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City: Marathon
Country: Usa
Vessel Name: silver gift
Vessel Model: 45 jefferson
Join Date: Nov 2013
Posts: 210
Have a 1986 Jefferson with Perkins and I found the drain for the block to be over the starter on the starboard side of the block.. Had a rusted fitting which I replaced with a brass pipe with a valve and hose barb so I can drain with a hose into a bucket. Hope that helps.

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Old 03-26-2016, 08:47 PM   #3
City: Sydney
Country: Australia
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My drain tap is just above the oil dip stick
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Old 03-26-2016, 09:12 PM   #4
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City: Juneau Alaska
Country: USA
Vessel Name: Arctic Traveller
Vessel Model: Defever 49 RPH
Join Date: Oct 2007
Posts: 619
There are normally a few places the coolant passages are tapped and plugged or with a valve. Look for plugs or drain cocks in the block down lower. You can pull any of them to see if it's coolant, worse case is it might be an oil passage in which case you might loose a few drops before you put it back in.
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