Passport LX 2WD V6-3.2L SOHC (6VD1) (1997)
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Valve Spring: Testing and Inspection
CAUTION: Visually inspect the valve springs and replace them if damage or abnormal wear is evident.
Free Height
1. Free height
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Measure the free height of the springs. The springs must be replaced if the free height is below the specified limit.
Squarness
2. Squareness
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Measure the valve spring squareness with a steel square.
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Replace the valve springs if the measured value exceeds the specified limit.
Spring Tension
3. Spring tension