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38 Years
experience
Trusted Auto Repair Services in Tempe, AZ
Autoplex Auto Service has been serving Tempe drivers with honest repairs and certified technicians since 1988. Our family-owned business prioritizes customer trust through transparent service and expert care, backed by decades of hands-on experience. Our ASE-certified team delivers high-quality repairs for everyday maintenance to full engine and transmission work, using quality parts from trusted brands like Jasper. We specialize in diagnostics, engine repair, A/C service, and LS swaps, ensuring vehicles run safely and reliably. Our commitment to community and customer-first values has earned us a loyal following over 34 years.

We offer a 12-month/12,000-mile warranty on all repairs, reflecting our confidence in workmanship. Our technicians stay current with the latest automotive technology through continuous training and certification. We maintain open communication with clients, explaining repairs in clear, non-technical terms. Our facility features modern equipment for precise diagnostics and efficient service. Customer satisfaction drives every decision, from parts selection to service recommendations. This dedication to excellence has made us one of Tempe's most trusted auto repair shops.
Services
Engine Repair Auto Electrical Service Exhaust Service LS Swaps Alignments Diagnostics A/C Repair Oil Changes Transmission Services Emissions Testing
Details
  • Year established: 1988
Highlights and features
  • ASE-Certified technicians with over 30 years of combined experience
  • 12-month/12,000-mile warranty on all repairs
  • Jasper Engines & Transmissions installer with nationwide warranty
  • Transparent diagnostics with no hidden fees
  • Specialized in LS swaps and complex engine repairs
Associations and certifications
  • ASE
What people say
ASE-certified technicians Reliable repairs Transparent diagnostics Fair pricing Family-owned service
Services
Engine Repair
Our ASE-certified technicians diagnose and repair engine issues ranging from minor diagnostics to complete overhauls. We use Jasper-remanufactured parts for lasting performance and offer computer diagnostics to identify root causes. Services include belt replacement, cooling system repairs, and fuel injection service, ensuring optimal engine function.
LS Swaps
We specialize in LS engine conversions for classic and modern vehicles. Our process includes custom wiring harness integration, cooling system upgrades, and transmission pairing. Each swap receives post-installation testing and tuning for reliability. We handle all aspects from engine removal to final calibration for seamless performance.
A/C Repair
Our A/C specialists repair cooling systems for Arizona's climate. Services include refrigerant recharging, compressor replacement, and evaporator repairs. We use specialized diagnostics to identify leaks and ensure proper system function. Technicians complete full system checks to restore optimal cooling performance for summer driving conditions.
Diagnostics
We perform comprehensive diagnostics using advanced computer systems to identify mechanical and electrical issues. Our technicians interpret error codes and conduct hands-on inspections to determine root causes. Services cover check engine light diagnostics, drivability issues, and complex electrical system troubleshooting for accurate repairs.
Exhaust Service
Our exhaust system specialists repair and replace catalytic converters, mufflers, and tailpipes. We address noise issues, emissions failures, and performance problems through proper system diagnostics. Services include custom exhaust fabrication and emissions testing to ensure compliance and optimal vehicle operation.
Questions
What auto repair services do you offer in Tempe?
We provide full-service auto repair including engine diagnostics, A/C service, LS swaps, exhaust repairs, and transmission work. Our ASE-certified technicians handle everything from oil changes to complex engine overhauls using Jasper parts.
Are your technicians certified?
All our mechanics are ASE-certified with over 30 years of combined experience. We maintain current training in the latest automotive technologies and repair techniques through regular certification updates.
Do you offer warranties on repairs?
We provide a 12-month/12,000-mile warranty on all repairs. Jasper parts carry their own 3-year/100,000-mile nationwide warranty, transferable to future vehicle owners.
How can I schedule an appointment?
Schedule service through our website, by phone at (480) 940-4700, or by walking in during business hours. We offer courtesy shuttle service and 24-hour drop-off for customer convenience.
What payment methods do you accept?
We accept major credit cards, cash, and checks. Financing options are available through approved lenders for larger repair projects and engine replacements.
Do you service all vehicle types?
We work on domestic and imported vehicles, including classic cars requiring LS swaps. Our technicians have experience with modern diagnostics systems and older mechanical components across all makes and models.