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Home >> Jaguar >> 2012 >> XKR 2D Coupe >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine - V8 S/C 5.0L Petrol -- XK/X150 >> Engine - V8 S/C 5.0L Petrol >> Engine >> Description And Operation >> Valve Train >> Variable Camshaft Timing Solenoids

Variable Camshaft Timing Solenoids

The VCT solenoids control the position of the spool valves in the VCT units.

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The VCT solenoids are installed in the front upper timing covers, immediately in front of their related VCT units. Each VCT solenoid is secured with two screws and sealed with an O-ring. A two pin electrical connector provides the interface with the engine harness.

Each VCT solenoid incorporates a spindle that acts on the spool valve in the related VCT unit to advance and retard the camshaft timing. The VCT solenoids operate independently and are controlled by a PWM signal from the ECM.

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