Valve Clearance Adjustment
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- Rotate crankshaft and position No. 1 piston on TDC of compression stroke. Make chalk mark at points "A" and "B" on crankshaft pulley at TDC. See Fig 1. Rotate crankshaft 360 degrees for mark "B".
- Using Lifter Bleed-Down Wrench (T71P-6513-B), apply pressure to push rod end of rocker arm. Slowly bleed down lifter until lifter plunger is completely bottomed. See VALVE CLEARANCE ADJUSTMENT table.
- While holding lifter in this position, check clearance between rocker arm and valve stem tip using feeler gauge. If clearance is less than specified, install a .060" (1.52 mm) shorter push rod. If clearance is greater that specified, install a .060" (1.52 mm) longer push rod. See VALVE LIFTERS table under ENGINE SPECIFICATIONS.
VALVE CLEARANCE ADJUSTMENT (1)
| Crankshaft Position | Check Intake Valves No. | Check Exhaust Valves No. | ||
|---|---|---|---|---|
| "A" | 1, 3, 7 & 8 | 1, 4, 5 & 8 | ||
| "B" | 2, 4, 5 & 6 | 2, 3, 6 & 7 | ||
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NOTE:
For reassembly reference, label all electrical connectors, vacuum hoses and fuel lines before removal. Also place mating marks on engine hood and other major assemblies before removal.
CAUTION:
When battery is disconnected, vehicle computer and memory systems may lose memory data. Driveability problems may exist until computer systems have completed a relearn cycle. See COMPUTER RELEARN PROCEDURES
article in GENERAL INFORMATION before disconnecting battery.