Disassembly/Assembly
DISASSEMBLY1. Remove intake manifold with throttle body, exhaust manifold and distributor from cylinder head.
2. Remove rocker arm shafts, rocker arms, springs and camshaft as outlined under "Rocker Arms, Rocker Arm Shafts & Camshaft, Replace."
3. Using valve lifter tools, No. 09916-14510 and No. 09916-48210, or equivalent, compress valve springs, then using forceps remove valve cotters
Fig. SK1069100053000X.
4. Release tool and remove spring retainer and valve spring.
5. Remove valve from cylinder head.
6. Remove valve stem seal from valve guide, then the valve spring seat.
7. Using valve guide remover tool, No. 09916-46010, or equivalent, drive valve guide out from combustion chamber side to valve spring side.
ASSEMBLY
1. Ream guide holes using a 12 mm reamer to remove burrs.
Fig. 16 Valve Guide Replacement:
2. Heat cylinder head uniformly to a temperature of 176-212°F, then drive new oversize valve guide into hole using tools, Fig. 16. Drive new valve guide until valve guide installer contact cylinder head. Ensure valve guide protrudes by 0.55 inch.
3. Ream valve guide bore using a 7 mm reamer. Clean bore after reaming.
4. Install valve spring seat on cylinder head.
Fig. 18 Valve Stem Seal Replacement:
5. Lubricate and install new valve stem seal to valve guide, Fig. 18. Install seal to guide by pushing tool by hand.
Fig. 19 Valve Spring Replacement:
6. Lubricate and install valves, then valve spring and spring retainer. Each valve spring has top end (large pitch end) and bottom end (small pitch end). Small pitch end must be facing bottom (spring seat side) Fig. 19.
7. Compress valve spring and fit two valve cotters into groove provided on valve stem.
8. Install intake manifold with throttle body, exhaust manifold and delivery pipe with injectors to cylinder head.