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Home >> Jaguar >> 2010 >> XFR >> Repair and Diagnosis >> External Pages >> Different car >> Section 143 (Engine - V8 S/C 5.0L Petrol -- XF/X250) >> Engine - V8 S/C 5.0L Petrol >> Engine - System Operation And Component Description (G1762452) >> Description And Operation >> Valve Train >> Variable Camshaft Timing Unit Schematic - Null

Variable Camshaft Timing Unit Schematic - Null

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G11414541

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.

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