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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 Unit Schematic - Null

Variable Camshaft Timing Unit Schematic - Null

G11284802

Once the camshaft has reached the required timing position the ECM adjusts the signal to the VCT solenoid to set the spool valve in the null position. In the null position, the advance and retard chamber oil passages are both closed by the spool valve and the rotor assembly is hydraulically locked to the sprocket housing.