Disassembly

CAUTION: When installing sliding parts such as rocker arms, camshaft and oil seal, be sure to apply new engine oil on their sliding surfaces.
When tightening cylinder head bolts and rocker shaft bolts, apply new engine oil to thread portions and seat surfaces of bolts.






Disassembly
If hydraulic valve lifter is kept on its side, there is a risk of air entering it. After removal, always set hydraulic valve lifter straight up, or when laying it on its side, have it soak in new engine oil.

Do not disassemble hydraulic valve lifter.

Attach tags to valve lifters so as not to mix them up.






1. Remove exhaust manifolds from cylinder head.
2. Remove rocker shafts with rocker arms.
Bolts should be loosened in two or three steps.






3. Remove hydraulic valve lifters and lifter guide.
Hold hydraulic valve lifters with wire so that they will not drop from lifter guide.

4. Remove oil seal and camshaft.
Before removing camshaft, measure camshaft end play.






5. Remove valve components with Tool.
6. Remove valve oil seals with Tool or suitable tool.