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6.2L LS3 V8 · Engine Block

Crankshaft main bearing cap M8 bolt (in sequence)

Tightening procedure

  1. Torque 15 lb-ft · 20 N·m
  2. Torque 22 lb-ft · 30 N·m

Complete the passes in the order shown. Angle passes are turn-of-the-nut steps measured with an angle gauge after the preceding torque pass.

Sequence note

Tightened in the numbered published sequence after the M10 inner bolts/studs. Distinct from the M8 side cross-bolts (which are not sequenced).

Tools

  • socket

Notes

Captured row labeled 'Crankshaft Bearing Cap M8 Bolts – First/Final Pass in Sequence'. Likely the windage tray / oil control shell bolts that go into the main caps and follow the cap sequence. Verify exact location against the LS3 illustration.

Sources

  • GM Fastener Tightening Specifications (6.2L LS3), Document ID 2296270

Values are cited as facts. We do not reproduce the manufacturer's prose, table layout, or diagrams.