INSPECTION I REPAIR INSPECTION 1 REPAIR PREPARATION SST 49 801 2 005 Remover & installer, valve guide Nut (Part of 49 LO1 2 OAO) For removal of valve guide 49 LO1 2 002 Body (Part of 49 LO 1 2 OAO) For installation of valve guide For installation of valve guide 49 LO1 2 OAO Installer set, 4 8 valve seal & valve guide t~@ Installer (Part of 49 LO1 2 OAO) For installation of valve guide For installation of valve guide 1. Clean all parts, being sure to remove all gasket fragments, dirt, oil or grease, carbon, moisture residue, and other foreign materials. 2. Inspection and repairs must be performed in the order specified. L 45UOBX485 CYLINDER HEAD 1. lnspect the cylinder head for damage, cracks, and leak- age of water and oil. Replace the cylinder head if neces- sary. 2. Measure the cylinder head distortion in the six directions shown in the figure. Distortion: 0.lOmm (0.004 in} max. 3. lnspect the following and repair or replace the cylinder head as necessary. (1) Sunken valve seats (2) Damaged intake and exhaust manifold contact sur- faces (3) Excessive camshaft oil clearances and end play 4. If the cylinder head distortion exceeds specification, grind the cylinder head surface. 5. If the cylinder head height is not within specification, re- place it. Height: 133.8-1 34.0mm (5.268-5.275 in) Grinding: O.lOmm (0.004 in} max. Gartner Banana
