Installing and removal of camshaft / variable camshaft timing unit.Checking and adjustment of timing.Petrol engine: Twin camshaft engine: 1.2, 1.4, 1.6, 1.8, 2.0 16V, 2.5 20V.Diesel engine: 1.9D/TD/dTi, 2.2D/TD, 2.5D, 2.8dTi, 1.5dCi, 1.9dCi, 2.2dCi, 2.5dCi