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6.2L LS3 V8 · Accessory Drive

A/C compressor mounting bolt

Tightening procedure

  1. Torque 37 lb-ft · 50 N·m

Tools

  • socket

Notes

GM SI HVAC fastener spec (doc 1631308): "Compressor Mounting Bolts" 50 N·m / 37 lb·ft. Separate "Compressor Mounting Bracket Bolts" is also 50 N·m. Catalog PN: GM 12552922 per figure for Y A/C COMPRESSOR & related, callouts 5 (and 4) — "BOLT,A/C CMPR — Required: 01 per fastener, Y (2005-2011) — universal Corvette A/C compressor mounting bolt. Multiple required per compressor (count varies by mounting design)."

Sources

  • GM Service Information: Fastener Specifications (HVAC / Heating-Ventilation-AC section), Document ID 1631308Captured 2026-05-28
  • 2011 Chevrolet Corvette Parts Catalog (GM Professional, Dec-11 supersedes May-11)Captured 2026-05-28

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