Cylinder Head Assembly: Specifications

Cylinder Head

RH

Tighten the cylinder head bolts in 8 stages, in the sequence shown.
Stage 1: Tighten bolts 1 through 18 to 20 Nm (177 lb-in).
Stage 2: Tighten bolts 1 through 18 to 49 Nm (36 lb-ft).
Stage 3: Tighten bolts 1 through 18, a second time to 49 Nm (36 lb-ft).
Stage 4: Tighten bolts 1 through 18, a third time to 49 Nm (36 lb-ft).
Stage 5: Tighten bolts 1 through 18, an additional 90 degrees.
Stage 6: Tighten bolts 1 through 18, a second time, an additional 90 degrees.
Stage 7: Tighten bolts 1 through 18, a third time, an additional 90 degrees.
Stage 8: Tighten bolts 19 through 22 to 30 Nm (22 lb-ft).





LH

Tighten the cylinder head bolts in 8 stages, in the sequence shown.
Stage 1: Tighten bolts 1 through 18 to 20 Nm (177 lb-in).
Stage 2: Tighten bolts 1 through 18 to 49 Nm (36 lb-ft).
Stage 3: Tighten bolts 1 through 18, a second time to 49 Nm (36 lb-ft).
Stage 4: Tighten bolts 1 through 18, a third time to 49 Nm (36 lb-ft).
Stage 5: Tighten bolts 1 through 18, an additional 90 degrees.
Stage 6: Tighten bolts 1 through 18, a second time, an additional 90 degrees.
Stage 7: Tighten bolts 1 through 18, a third time, an additional 90 degrees.
Stage 8: Tighten bolts 19 through 23 to 30 Nm (22 lb-ft).





Bolt re-usability

NOTICE: The M12 cylinder head bolts must be discarded and new bolts installed. They are torque-to- yield design and cannot be reused.

Surface Variation -- Head-to-block, Head-to-manifolds And Surface Variation -- Warpage




















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