Isuzu 4LE2 — Valve Clearance Adjustment
Adjustments · valve train
For the Isuzu 4LE2, from the Isuzu owner's manual.
Applies to: Isuzu 4LE2, Isuzu 4LE2 engine
Before you start
- The rocker arm is die-cast aluminum; do not tighten the adjusting screw to excess
Procedure
- Turn the crankshaft clockwise so the mark groove on the crank pulley aligns with the TDC mark on the timing gear case cover.
- Remove the cylinder head cover and check if cylinder No.1 is at TDC in the compression stroke.
- Measure and adjust the clearance of the valves marked for the condition of cylinder No.1.
- Turn the crankshaft in normal direction to align marks again, then measure and adjust the other valves.
Specs & values
- Valve clearance: 0.40 mm (0.0157 in) when the engine is cold
Full service-parts list: Isuzu 4LE2 →, Isuzu 4LE2 engine →
Source: Isuzu owner's manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.