Sentra L4-1.8L (QG18DE) (2004)
Record any valve clearance measurements which are out of specification. They will be used later to determine the required replacement adjusting
shim.
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Approximately 20°C (68°F) (Reference data)
If an adjustment is done with a cold engine, confirm reference values with hot engine are met.
Limit values
Intake: ............0.21 - 0.47 mm (0.008 - 0.019 inch) with hot engine reference)
Exhaust: ................0.30 - 0.56 mm (0.012 - 0.022 inch)
7. Turn crankshaft one revolution (360) to position No. 4 cylinder at TDC of its compression stroke.
8. Check only those valves shown in the figure and marked with an x in the table.
9. If outside the standard, adjust applicable valves.