Sentra GXE L4-1.8L (QG18DE) (2000)
Valve Clearance: Adjustments
ADJUSTING
Adjust valve clearance while engine is cold.
1. Turn crankshaft. Position cam lobe upward on camshaft for valve that must be adjusted.
2. Place Tool (1) around camshaft as shown in figure.
Before placing Tool (1), rotate notch toward center of cylinder head. (See figure.) This will simplify shim removal later.
CAUTION: Be careful not to damage cam surface with Tool (1).
3. Rotate Tool (1) so that valve lifter is pushed down.
4. Place Tool (2) between camshaft and valve lifter to retain valve lifter.
CAUTION:
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Tool (2) must be placed as close to camshaft bracket as possible.
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Be careful not to damage cam surface with Tool (2).
5. Remove Tool (1).
6. Remove adjusting shim using a small screwdriver and a magnetic finger.
7. Determine replacement adjusting shim size using the following formula.