nissan Workshop Repair Guides

Nissan and Datsun Workshop Service and Repair Manuals

Valve, Intake/Exhaust > < Valve Spring|Specifications|Page 2037
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Check valve spring pressure at specified spring height.
Standard: 166 - 188 N (16.9 - 19.2 kg, 37.3 - 42.3 lb) at height 37.0 mm (1.457 in) 
Limit: 373 - 421 N (38.0 - 42.9 kg, 83.9 - 95.0 lb) at height 27.2 mm (1.071 in) 
If it is not within specifications, replace the spring.

Valve, Intake/Exhaust > < Valve Spring|Specifications|Page 2037