1. Position plastigage atop the journals in the axial direction.
2. Install the camshaft cap. (See Timing Chain (LH) Assembly Note.) (See Timing Chain (RH) Assembly Note.)
3. Remove the camshaft cap. (See Camshaft (RH) Disassembly Note.) (See Camshaft (LH) Disassembly Note.)
4. Measure the oil clearance.