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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 >> Right Cylinder Head Front Face

Right 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 Right Cylinder Head Front Face
GM4003740Courtesy of GENERAL MOTORS COMPANY
Right 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