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MTU — Determining TDC position of piston

Adjustments · Piston / crankshaft

From a MTU service manual covering: 12V2000, 12V2000M60, 12V2000M70, 12V2000M80, 12V2000M90, 12V2000M91, 16V2000, 16V2000M60, 16V2000M70, 16V2000M80, 16V2000M90, 16V2000M91. Check it applies to your exact model before use.

Applies to: MTU 16V2000

Procedure

  1. Set piston cylinder A1 to TDC.
  2. Install pointer on flywheel housing.
  3. Install index plate with barring tool on flywheel, set to TDC marking of A1 and tighten.
  4. Install dial gauge under preload in measuring unit in cylinder head.
  5. Bar crankshaft in normal direction to 5° before TDC; read dial gauge.
  6. Bar past TDC approx. 10°, then bar opposite direction to 5° after TDC; read dial gauge.
  7. Calculate mean value and bar crankshaft until dial gauge reads mean value.
  8. Set pointer of graduated disk to 5° after TDC and tighten.

Tools required

Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.

Full service-parts list: MTU 16V2000 →

Source: MTU 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.

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