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Home›Repair guides›CHECK VALVE LIFT

G5 — CHECK VALVE LIFT

For the G5.

Before you start

  • Measuring valve lift can give an indication of
  • For a more accurate measurement, it is

Procedure

  1. Remove turbocharger oil inlet line clamp and rocker arm cover. Loosen locknut on rocker arm. Sei valve clearance at 0.00 mm (in.) on valve being checked. Tighten locknut.
  2. Put dial indicator tip on valve rotator. Be sure that valve is fully closed.
  3. Check pre-set on dial indicator. Set dial indicator pointer at zero.
  4. Manually turn engine in running direction, using the engine rotation tools previously mentioned for checking valve clearance.
  5. Observe dial indicator reading as valve is moved to fully open position. Record reading and valve number. VALVE LIFT SPECIFICATION AT 0.00 MM {IN.) CLEARANCE
  6. Reset valve clearance to specification after measuring lift. (Gee CHECK AND ADJUST VALVE CLEARANCE, earlier in this group.)
  7. Repeat procedure on all remaining valves. RG,CTM86,G5,7 -19-20JUL94 CTM8&86 (260CT94) Series 450 6081 Diesel Engines 271094 Cylinder Head and Valves

Specs & torque values

  • 0.00
  • 13.71
  • 0.540
  • 12.65
  • 0.498

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.