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Bolt tightening procedure for cylinder head cover - AR01.20-P-5014-03SX

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ENGINE 273 

CYLINDER HEAD

Number Designation Engine 273
BA01.30-P-1004-01O Bolt, cylinder head cover to cylinder head M7 Stage 1 Nm 12
  Stage 2 ∠° 90

IMPORTANT Tighten cylinder head cover bolts in the numerical sequence.

Right cylinder head cover 

  1. Tighten bolts (1 to 22) with Stage 1.
  2. Tighten bolts (1 to 22) with Stage 2.
    Fig 1: Right Cylinder Head Cover Bolts Tightening Sequence
    G10240514Courtesy of MERCEDES-BENZ USA

Left cylinder head cover 

  1. Tighten bolts (1 to 22) with Stage 1.
  2. Tighten bolts (1 to 22) with Stage 2.
    Fig 2: Left Cylinder Head Cover Bolts Tightening Sequence
    G10240515Courtesy of MERCEDES-BENZ USA