An oil cooler, also known as heat exchanger, is a system with oil and water inlets. Water is responsible to cool the oil. The oil cooler is located between the base of the oil filter and the engine block.
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The crankshaft pulley is located in one of the extremes of the crankshaft, and his main function is to move the auxiliary elements of the engine.
Turbo–Intercooler system hoses have to be checked regularly and proceed to their replacement in case of wear, avoiding possible high cost breakdowns.