6D81G11 5-321234567892. Measure the camshaft runout. Replace ifabove specification.3. Measure the camshaft journal diameterc and cylinder head journal inside diam-eter d. Replace the camshaft and cylin-der head if out of specification.Checking the cylinder head1. Eliminate carbon deposits from the com-bustion chambers and check for deterio-ration.2. Check the cylinder head warpage using astraightedge 1 and thickness gauge 2in the directions shown. Replace if abovespecification.Cam lobe a:Intake:36.48–36.58 mm(1.4362–1.4402 in)Exhaust:36.90–37.06 mm(1.4528–1.4591 in)Cam lobe b:Intake:29.95–30.05 mm(1.1791–1.1831 in)Exhaust:29.92–30.08 mm(1.1780–1.1842 in)Camshaft runout limit:0.03 mm (0.0012 in)S6D85450Camshaft journal diameter c:24.960–24.980 mm(0.9827–0.9835 in)Camshaft cap inside diameter d:25.000–25.021 mm(0.9843–0.9851 in)Cylinder head warpage limit:0.1 mm (0.0039 in)S69J5970dcS6D8547012S6D85460Cylinder head