Mercruiser 6 2 1f Closed Cooling System Basics Youtube In this video i describe the rare closed cooling system on a mercruiser 6.2 liter engine. Mar 21, 2022. #1. greetings, pre season prep work is just around the corner and i am reviewing the closed cooling systems on my new fangled mercruiser engines. (2016 6.2 seacore models s n' in my signature) 1) these engines have a 'poppet' valve, which are a new 'thing' to me. i believe poppet valves are more common with large outboard engines.
The Ultimate Guide To Understanding Mercruiser Closed Cooling System At its core, the mercruiser closed cooling system consists of several key components, including a heat exchanger, a coolant reservoir, a water pump, and a thermostat. the system operates by circulating a mixture of antifreeze and water, known as coolant, through the engine’s passages. as the coolant flows through the engine, it absorbs heat. Step 2. drain the closed side of the cooling system if you will be changing the coolant this year. if the drain plug is hard to reach, disconnect one of the coolant hoses from the water pump. several gallons of coolant will gush out; have a couple of buckets ready to catch it. changing the coolant ahead of schedule is a good idea if you've been. Step 2: flush the cooling system. connect the flush kit to the water inlet on the side of your mercruiser engine. turn on the water supply and start the engine. let the engine run for around 10 minutes to flush out any salt, sand, or debris that may be trapped in the cooling system. step 3: drain the cooling system. Winterizing mercruiser closed cooling system. a closed cooling engine circulates conventional antifreeze through the block, cylinder heads and in some cases the exhaust manifolds. sea water is pumped through a heat exchanger and then exits with the exhaust gases out through the exhaust elbows. if the system contains the recommended coolant.
Mercruiser Closed Cooling System Flow Diagram Perfprotech Step 2: flush the cooling system. connect the flush kit to the water inlet on the side of your mercruiser engine. turn on the water supply and start the engine. let the engine run for around 10 minutes to flush out any salt, sand, or debris that may be trapped in the cooling system. step 3: drain the cooling system. Winterizing mercruiser closed cooling system. a closed cooling engine circulates conventional antifreeze through the block, cylinder heads and in some cases the exhaust manifolds. sea water is pumped through a heat exchanger and then exits with the exhaust gases out through the exhaust elbows. if the system contains the recommended coolant. This cooling system kit cools the block & manifolds. front mount full system, dry joint, 30 gpm raw water needed. note: many factory ecm (electronic control modules) are programmed for a raw water system. the addition of a fresh water (closed cooling) system results in an engine running at a proper higher temperature. Aug 2, 2021. #1. i have a mercruiser 470 with a closed cooling system. i went to fill it with anti freeze and it runs right out the exhaust on the out drive. i am guessing it has a hole in the heat exchanger. i run only in fresh water. can you by pass that, and not run the closed system and just use the water from the out drive to cool the motor?.
Mercruiser Closed Cooling System Diagram This cooling system kit cools the block & manifolds. front mount full system, dry joint, 30 gpm raw water needed. note: many factory ecm (electronic control modules) are programmed for a raw water system. the addition of a fresh water (closed cooling) system results in an engine running at a proper higher temperature. Aug 2, 2021. #1. i have a mercruiser 470 with a closed cooling system. i went to fill it with anti freeze and it runs right out the exhaust on the out drive. i am guessing it has a hole in the heat exchanger. i run only in fresh water. can you by pass that, and not run the closed system and just use the water from the out drive to cool the motor?.
Mercruiser Closed Cooling System Diagram
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