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Home >> Jaguar >> 2016 >> XJR L >> Repair and Diagnosis >> External Pages >> Different car >> Section 21 (Engine - V6 S/C 3.0L Petrol -- XJ/X351) >> Engine - V6 S/C 3.0L Petrol >> Description And Operation >> System Operation And Component Description >> Variable Camshaft Timing >> Variable Camshaft Timing Unit Schematic - Null

Variable Camshaft Timing Unit Schematic - Null

WARNING: This page is about a different car, the 2017 Jaguar XJ, 2016 Jaguar XJ, 2015 Jaguar XJ, 2014 Jaguar XJ, and 2013 Jaguar XJ. However, it is still accessible from the selected car via links, so may be relevant.
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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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