Mitsubishi — Inspection and Adjustment of Valve Clearances
Adjustments · Valve mechanism
From a Mitsubishi service manual — check it applies to your exact model before use.
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Before you start
- Provide specified bridge-to-valve-rotator clearance of 1.5 mm or more.
Procedure
- Ensure engine is cold.
- Turn crankshaft 60° in firing order to bring each piston to TDC compression.
- Measure clearance between rocker arm and bridge cap with feeler gage.
- Adjust front and rear valve heights with valve bridge first.
- Loosen lock nut, turn adjusting screw to obtain specified clearance.
- Tighten lock nut and recheck clearance.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Inlet 0.6 mm [0.024 in.] cold
- Exhaust 0.8 mm [0.031 in.] cold
Source: Mitsubishi service 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.