LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Buick >> 2012 >> LaCrosse FWD L4-2.4L >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> Cylinder Head Assembly
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Cylinder Head Assembly







Cylinder Head Bolt





First Pass 30 Nm (22 lb ft)
Final Pass 155 degrees

Use NEW cylinder head bolts

Surface Flatness - Block Deck

Longitude 0.050 mm (0.002 in)
Overall 0.1 mm (0.004 in)
Transverse 0.030 mm (0.0012 in)

Camshaft Bearing Cap Bolt 10 Nm (89 lb in)

Intake Manifold Specifications

Exhaust Manifold Specifications

Camshaft Gear/Sprocket Specifications