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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Mechanical - 2.4L) >> Specifications >> Thread Repair Specifications (LEA, or LUK) >> Lower Crankcase Front View

Lower Crankcase Front View

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Fig 1: Identifying Bolt Size & Locations On Engine Block - Top
GM1492389Courtesy of GENERAL MOTORS COMPANY
Lower Crankcase Front View

Service Call Out Thread Size Insert Drill Counterbore Tool Tap Driver Drill Depth (Maximum) Tap Depth (Maximum)
EN42385850 MM (IN) MM (IN)
1 M8 x 1.25 210 206 207 208 209 23.5 0.925 18.5 0.73
2 M8 x 1.25 210 206 207 208 209 30.5 1.201 25.5 1.00