ENGINE
3.22
CYLINDER HEAD DISASSEMBLY, CONT.
4. Measure free length of spring with a Vernier caliper,
Ill.1. Check spring for squareness as shown in Ill.2.
Compare to specifications. Replace spring if either
measurement is out of specification.
5. Remove valve seals. CAUTION: Replace seals
whenever the cylinder head is disassembled.
Hardened, cracked or worn valve seals will cause
excessive oil consumption and carbon buildup.
Valve Spring
Free Length
Ill.1
Coil Fatigue/
Squareness
Ill.2
Valve Spring Length:
Std: 1.654I (42.0 mm)
Limit: 1.575I (40.0 mm)
Squareness:
.059I (1.5 mm)
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