GM Service & Repair
Sonny's Auto Repair is Henderson's premier dealership alternative for GM owners across the Las Vegas valley. Our ASE-certified technicians apply factory-grade diagnostic precision and manufacturer-specified repair protocols to every GM vehicle that enters our shop — delivering the craftsmanship of a GM dealership at transparent, honest pricing with no surprises.
Factory-grade GM diagnostics & repair — Henderson, NV
GM Service Specialties
From routine oil changes to complex engine diagnostics, our Henderson shop covers every GM service need with factory-grade precision and ASE-certified expertise.
Oil Changes
Precision GM oil service using manufacturer-specified viscosity grades and OEM-compatible filters. Engineered to protect GM engines against extreme desert heat in Henderson and the Las Vegas valley.
Brake Service
Precision GM brake service featuring factory-grade pad diagnostics and rotor calibrations for Henderson drivers. We restore full stopping confidence across all GM vehicle platforms and model lines.
AC & Heating
GM climate control diagnostics, refrigerant recharges, and compressor repair calibrated to factory specifications. Essential for Las Vegas valley summers where cabin comfort is non-negotiable.
Transmission Repair
Complete GM transmission diagnostics, fluid exchanges, and precision overhaul services. Our ASE-certified technicians restore smooth power transfer on all GM drivetrain configurations.
Battery & Cooling
GM battery testing, replacement, and cooling system service engineered for Henderson's extreme heat cycles. Prevent thermal runaway and protect your GM vehicle's sensitive electronics with proactive cooling maintenance.
Engine Repair
GM engine diagnostics and repair covering timing chain service, valve cover gaskets, LS and Ecotec system faults, and full engine rebuilds. Dealership-grade precision at transparent Henderson pricing.
Preventive Maintenance
GM factory-schedule preventive maintenance including spark plug replacement, air filter service, brake fluid flush, and multi-point inspections. Keep your GM vehicle performing at peak specification between Henderson service intervals.
Advanced Diagnostics
GM-specific OBD-II diagnostic scanning to pinpoint fault codes across engine, transmission, ABS, and chassis control modules. Accurate root-cause analysis before any repair begins — no guesswork.
Check Engine Light
GM check engine light diagnosis using factory-level scan tools to decode ECM fault codes. We identify the exact cause — from oxygen sensor failures to emissions faults — and provide a transparent repair estimate.
Full-Service Repairs
Comprehensive GM repair services covering suspension, steering, exhaust, and drivetrain systems. One trusted Henderson shop for every GM repair need — from routine service to complex multi-system restorations.
TPMS Service
GM tire pressure monitoring system reset, sensor replacement, and recalibration. Ensure your GM TPMS warning clears correctly and your vehicle's safety systems remain fully operational on Henderson roads.
Sonny's Auto Repair services all major vehicle makes in Henderson, NV and the greater Las Vegas valley. Select your vehicle brand below for dedicated service information.