General Motors Cases Under New Mexico Lemon Law

General Motors (Chevrolet, GMC, Cadillac, Buick) holds large New Mexico market share — Silverado, Sierra, Equinox, Tahoe, and Suburban are common across ranch and metro markets. Cases are pursued under the Motor Vehicle Quality Assurance Act, the UPA, and Magnuson-Moss.

Common GM defect patterns

• 6.2L / 5.3L V8 lifter / AFM-DFM failures — collapsed lifters, engine damage.
• 8-speed (8L90/8L45) transmission shudder — extensive class-action history.
• 10-speed transmission issues.
• Chevy Bolt EV — battery fire recall (LG cells), range/charging.
• CUE / GM infotainment failures (Cadillac).
• Diesel (Duramax) emissions / CP4 pump issues.
• Electrical / BCM faults.

New Mexico GM market

• Silverado / Sierra dominant in ranch, oilfield, and construction use.
• Tahoe / Suburban / Yukon family-hauler segment.
• Cadillac luxury concentration in Albuquerque and Santa Fe.

Heavy-duty GVWR limitation

The 10,000-lb GVWR cap typically excludes Silverado/Sierra 2500/3500 HD — common in the Permian Basin. These route to UPA and Magnuson-Moss.

UPA willful leverage

8-speed shudder class-action history, AFM/DFM lifter TSBs, and the Bolt battery recall provide manufacturer-knowledge evidence for UPA treble + mandatory fees.

Bottom line

GM cases — V8 lifter failures, 8-speed shudder, and Bolt battery issues — are well-positioned under New Mexico law, with heavy-duty trucks routed to UPA/Magnuson-Moss. Document within the Rights Period. Get a free case review.

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