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Home >> Buick >> 2019 >> Regal TourX Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 142 (Engine Mechanical - 3.6L (LGX) - Specifications) >> Specifications >> Thread Repair Specifications >> Left Cylinder Head Front Face

Left Cylinder Head Front Face

WARNING: This page is about a different car, the 2020 Buick Regal and 2019 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Left Cylinder Head Front Face
GM4003733Courtesy of GENERAL MOTORS COMPANY
Left Cylinder Head Front Face

Hole Location Thread Size Drill Counter Bore Tool Stop Collar Tap Driver Insert Drill Depth (Maximum) Tap Depth (Minimum)
EN-42385 - MM (IN) MM (IN)
1 M6 x 1.0 201 202 N/A 203 204 63 23.0 .907 23.0 .907
2 M8 x 1.25 206 207 N/A 208 209 61 29.0 1.14 29.0 1.14
3 M12 x 1.75 856 857 N/A 858 859 58 35.0 1.38 35.0 1.38