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Home›Repair guides›DISASSEMBLE AND INSPECT ROCKER ARM

G5 — DISASSEMBLE AND INSPECT ROCKER ARM

For the G5.

Before you start

  • Make preliminary inspection during disassembly.
  • Wear could indicate weak valve springs, bent

Procedure

  1. Remove plugs (A) and washers (B) from ends of rocker arm shaft.
  2. Slide springs, rocker arms, and rocker arm supports off rocker arm shaft identifying their parts for reassembly in the same sequence they were in before disassembly. $11,2065,HY1 _-19-07AUG91 CTM86 (260CT94) 05-12 Series 450 6081 Diesel Engines 271094 Cylinder Head and Valves
  3. Inspect rocker arm shaft (A) for severe scratching, scoring, or excessive wear at points of rocker arm contact. Measure rocker arm and shaft. Compare with Seg ccre balk AMBeE EBRE ween yA ere haa ge SimApeetitn peg Bel Se dipane BEB LUNE Deseo ibonmio: SB RGEEY specifications given below. NOTE: Wear could indicate weak valve springs, bent push rods, or loose rocker arm shaft clamps.

Source: manual:Component Technical Manual 8.1L 6081 1994.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.