6.2L LS3 V8 · Header

Exhaust manifold bolt

Tightening procedure

  1. Torque 11 lb-ft · 15 N·m
  2. Torque 15 lb-ft · 20 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.

Tools

  • socket

Notes

Two passes (first then final).

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.