Isuzu — Function Check

For these Isuzu models: 4LE1N, 4LE1T.

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Procedure

1. 1. Rotate the crankshaft over 360 degrees into a
2. 1. TDC Mark
3. 2. Mark Groove
4. 2. Remove the cylinder head cover and check
5. 1. Intake of No.1 Cylinder
6. 2. Exhaust of No.1 Cylinder
7. 3. Measure the clearance of the valve with ❍ mark or
8. 0.40 ± 0.05 {0.016 ± 0.002}

Source: manual:Isuzu-4LE1T_SHOP-MANUAL.pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.