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Home >> Buick >> 2015 >> Verano Premium, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Mechanical - 2.4L (Lea)) >> Specifications >> Thread Repair Specifications (LAF, LEA, or LUK) >> Engine Block- Top View

Engine Block- Top View

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Fig 1: Engine Block Bolts -- Top View
GM1492387Courtesy of GENERAL MOTORS COMPANY
Engine Block- Top View

Service Call Out Thread Size Insert Drill Counterbore Tool Tap Driver Drill Depth (Maximum) Tap Depth (Maximum)
EN 42385-850 MM (IN) MM (IN)
1 M8 x 1.25 210 206 207 208 209 23.5 0.925 18.5 0.73
2 M11 x 1.5 507 504 N/A 505 506 113.3 4.461 107.3 4.22
3 M12 x 1.75 865 856 857 858 859 13.5 0.531 12.5 0.49