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Home >> Audi >> 2017 >> RS 3 >> Repair and Diagnosis >> External Pages >> Different car >> Section 36 (GENERIC SCAN TOOL [CNTA, CNTC, CNSB] (5 Of 5) -- (A3 SEDAN)) >> Generic Scan Tool >> Diagnosis And Testing >> Diagnostic Procedures >> Engine Temperature Control Actuator - N493-, Checking >> General Description

Engine Temperature Control Actuator - N493-, Checking: General Description

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The coolant flow is regulated by means of two mechanically coupled rotary slide valves. The angular position of the rotary slide valves is regulated according to various engine maps stored in the engine control unit. Various switching positions can be implemented by configuring the rotary slide valves accordingly. This allows rapid heating of the engine, which, in turn, results in lower friction and higher fuel economy.

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