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Cadillac Alpha2 - CT4-V / CT5-V Blackwing Torque Specs

Verified torque references for Cadillac Alpha2 - CT4-V / CT5-V Blackwing, including source links, safety notes, and ft-lb / Nm conversions.

Primary spec

Wheel lug nuts

140ft-lb

190 Nm

Safety note

Confirm safety-critical fastener values against the exact model-year service manual. Use a calibrated torque wrench, the correct tightening sequence, and vehicle-specific hardware.

Wheels / Wheels

Wheel lug nuts

Verified

140ft-lb

190 Nm

Cadillac owner manuals specify 190 N-m / 140 lb-ft for Blackwing wheel nuts. Tighten evenly in a criss-cross/star pattern with a calibrated torque wrench.

Use the correct wheel nuts for the vehicle. Never use oil or grease on wheel bolts, wheel nuts, or wheel mounting surfaces unless the service manual explicitly instructs it.

Source

Checked Jul 9, 2026

Cadillac 2022 CT4 and CT5 Owner's Manuals

Verified from official Cadillac owner manuals: 2022 CT5 manual lists wheel nut torque as 190 N-m / 140 lb-ft; 2022 CT4 manual lists V-Series Blackwing M14 wheel nut torque as 190 N-m / 140 lb-ft. CT4 manual URL: https://www.gmc.com/ownercenter/content/dam/gmownercenter/gmna/dynamic/manuals/2022/cadillac/ct4/2022-cadillac-ct4-owners-manual.pdf

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