Nissan Sentra Sedan L4-1597cc 16L Engine Valve Clearance Specifications
Valve Clearance: Adjustments
VALVE CLEARANCE ADJUSTMENT
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Set No. 1 cylinder in top dead center on its compression stroke, and adjust valve clearance 1, 2, 3 and 6.
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Set No. 4 cylinder in top dead center on its compression stroke, and adjust valve clearance 4, 5, 7 and 8.
Adjusting screw lock nuts: 16 - 21 Nm (1.6 - 2.1 kg-m, 12 - 15 ft-lb)