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Home >> Buick >> 2012 >> Regal Base >> Repair and Diagnosis >> Engine Mechanical >> Engine Mechanical - 2.4L >> Specifications >> Thread Repair Specifications (LEA, or LUK) >> Engine Block- Bottom View
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Engine Block- Bottom View

Fig 1: Identifying Bolt Size & Locations On Engine Block - Bottom
GM1492385Courtesy of GENERAL MOTORS COMPANY
Engine Block- Bottom 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 28 1.102 22 0.87
2 M10 x 1.5 514 511 N/A 512 513 60 2.362 53.5 2.11