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Home >> Saturn >> 2004 >> Ion Red Line >> Repair and Diagnosis >> External Pages >> Different car >> Section 170 (Engine Mechanical) >> Specifications >> Thread Repair Specifications >> Engine Block - Back View
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Engine Block - Back View

WARNING: This page is about a different car, the 2007 Saturn Ion Red Line. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Bolt Size & Locations On Engine Block - Back View
GM1492383Courtesy of GENERAL MOTORS CORP.
Engine Block - Back View

Service Call Out Thread Size Insert Drill Counterbore Tool Tap Driver Drill Depth (Maximum) Tap Depth (Maximum)
J 42385-850 MM (IN) MM (IN)
1 M8 x 1.25 210 206 207 208 209 18 0.709 THRU
2 M10 x 1.5 215 211 212 213 214 29 1.161 THRU
3 M12 x 1.75 855 856 857 858 859 39 1.535 33.5 1.32
4 M16 x 1.5 860 861 862 863 864 21 0.827 15 0.59