MTU 8V 2000 C / 8V 2000 G — Adjusting valve clearance with two crankshaft positions
Adjustments · Valve drive / rocker arms
For the MTU 8V 2000 C / 8V 2000 G, from the MTU service manual.
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Before you start
- Perform setting only with engine cold or at operating temperature; allow at least 30 minutes after shutdown
- Remove barring tool before starting the engine and mount end cover
Procedure
- Install measuring unit with dial gauge into cylinder head A1.
- Bar engine until piston A1 is precisely at TDC.
- If rocker arms unloaded, piston is in firing TDC.
- Set valve clearances at initial TDC position per diagram.
- Rotate crankshaft a further 360° to second TDC.
- Set remaining valve clearances per valve clearance setting diagram.
- Release locknut and slightly unscrew adjusting screw.
- Insert feeler gauge between valve bridge and rocker arm.
- Set adjusting screw so feeler gauge can just be pulled through.
- Tighten locknut, holding adjusting screw; recheck clearance.
Tools required
- Feeler gauge 0.4 mm / 0.6 mm Amazon
- Short screwdriver Amazon
- Barring tool Amazon
- Measuring unit (TDC position) Amazon
- Dial gauge Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Inlet 0.40 mm, outlet 0.60 mm (engine cold, 20 °C)
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.