How to Install a Closed Cooling System on a Mercruiser 4.3L

Performance Product Technologies http://www.perfprotech.com is the #1 source where online shoppers turn when looking for Marine Cooling Systems. PPT handles Water Pumps, Coolers, Thru Hull Fittings, Hoses and much More. This How-To video will guide you all the way through installing a Closed Cooling System on a Mercruiser 4.3L V6, 5.0L V8, 5.7L V8 or 6.2L V8 Sterndrive Marine Engine. Mercruiser Parts Diagrams & Catalogs https://www.perfprotech.com/mercruise... MerCruiser Cooling Systems https://www.perfprotech.com/buy-fresh... Winterization Products and Accessories https://www.perfprotech.com/boat-moto... Video Timeline 0:05 - 0:30 - Review typical Cooling System Kit Contents Remove Exhaust Manifold Pipe Plugs 0:40 - 0:46 Remove Thermostat Housing Items - 0:48 - 1:15 Remove Exhaust Risers - 1:15 -