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Home >> Jeep >> 2007 >> Wrangler Rubicon, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine & Automatic Transmission Cooling System) >> Engine >> Pump-Water >> Operation >> Water Pump-Operation-2.8L Diesel

Water Pump-Operation-2.8L Diesel

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The water pump is used to circulate coolant through the cooling system. The coolant is pumped through the engine block, cylinder head, heater core, EGR cooler, viscous heater, and radiator.