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Recipe - Ford 6.2L Boss Gasoline (Super Duty 2011-2019, SVT Raptor 2010-2014; continued 2020-2022)

Reliability build

Reliability tier: aggregated - verify before ordering, see /disclosure/

Cooling service for the 6.2L Boss: pressure-test, then water pump, thermostat and outlet as wear items (mode Cooling service (water pump / thermostat / degas)).

Parts

• 6.2L Boss Thermostat (OEM) - thermostat (qty 1)
• 6.2L Boss Water Outlet (OEM) - water outlet (qty 1)
• 6.2L Boss Water Pump (OEM) - water pump, 2011-2019 rows (qty 1)

Install order

1. pressure-test the system; inspect the water pump weep hole and bearing play
2. check thermostat opening under load before replacing the radiator
3. replace the pump if it weeps or has play; refill and bleed

Expected outcome

Stable temperature under tow, no weep, steady degas level.

Parts budget

About $25-$170 in parts. It depends on what the diagnosis finds; each option below is what you buy together. Prices marked "at Dave's" are Dave's Auto Center's, the same as in his store; the others are approximate prices from OEM and maker catalogs, rounded (a manufacturer's list price can run higher). Parts only, no labor.

• about $25: 6.2L Boss Thermostat (OEM) (about $25)
• about $35: 6.2L Boss Water Outlet (OEM) (about $35)
• about $170: 6.2L Boss Water Pump (OEM) (about $170)

DIY or shop: DIY or shop