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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) >> Cylinder Head Exhaust Manifold Deck View

Cylinder Head Exhaust Manifold Deck View

WARNING: This page is about a different variant/trim than selected.
Fig 1: Identifying Bolt Size & Locations On Cylinder Head - Exhaust Manifold Deck
GM1825027Courtesy of GENERAL MOTORS COMPANY
Cylinder Head Exhaust Manifold Deck View

Service Call Out Thread Size Insert Drill Counterbore Tool Tap Driver Drill Depth (Maximum) Tap Depth (Maximum)
EN42385850 MM (IN) MM (IN)
1 M6 x 1 205 201 202 203 204 20 0.78 16 0.63
2 M8 x 1.25 210 206 207 208 209 25 0.984 20 0.78