Engine Repair & Diagnostics
Check-engine light, rough running, oil leaks or loss of power? We use inspection and targeted testing to identify the cause and explain the repair options before you approve the work.
2025 BEST OF LAS VEGAS • SILVER WINNER: AUTO REPAIR
Your family-owned Las Vegas shop for diagnostics, brakes, A/C, engines, transmissions and maintenance. Our ASE-certified technicians explain the findings and repair options before you approve the work.

Hands-on vehicle testing at Universal Motorcars.



North American Warranty
Eligible repairs. Ask about coverage and written terms.
Auto repair in Las Vegas, with people you can talk to
Your car gets you to work, takes care of the family and keeps your day moving. When something feels wrong, you need a mechanic who takes the problem seriously and makes the next step clear.
Universal Motorcars is a family-owned auto repair shop with ASE-certified technicians and a full range of mechanical services at our Spring Mountain location. We handle diagnostics, everyday maintenance and demanding engine, transmission and electrical repairs for domestic, Asian and European vehicles.
Whether you need help with a new noise or a second opinion on a major repair, start with a conversation. Tell us what your car is doing, what has already been checked and what you need from it. We will help you plan the right visit.
Explore our mechanical services
Choose a service below to explore common symptoms and repair options. Our Spring Mountain shop handles mechanical repair and maintenance for domestic, Asian and European passenger vehicles. Tesla mechanical service is available at both Spring Mountain and Post Road.
You do not need to diagnose the vehicle yourself. Tell us what you notice, when it happens and whether any warning lights are present.
Check-engine light, rough running, oil leaks or loss of power? We use inspection and targeted testing to identify the cause and explain the repair options before you approve the work.
Squealing, grinding, vibration or a soft pedal? We inspect pads, rotors, calipers and hydraulic components, then explain the findings and recommended brake repairs.
Warm air, weak airflow or cooling that fades in Las Vegas traffic? We check refrigerant leaks, compressor operation, airflow and electrical controls to find what is affecting cabin cooling.
Rising engine temperature or repeated coolant loss? We inspect leaks, hoses and cooling-system performance to identify the cause and plan the repair. If the engine overheats, stop safely and arrange assistance.
Slipping, harsh shifts, delayed engagement or transmission leaks? We investigate the symptoms, distinguish mechanical problems from electrical or control faults, and explain the available repair options.
Clunks, pulling, vibration or uneven tire wear? We inspect suspension and steering components and check alignment-related concerns to identify what is affecting handling and ride quality.
Slow cranking, a no-start or a battery that keeps dying? We test the battery and starting and charging systems, then investigate wiring or parasitic draws when the symptoms call for it.
Due for service or unsure what comes next? We review your mileage, service history and manufacturer’s schedule to plan the right oil, filters, fluids and other maintenance for your vehicle.
Electric vehicle service
A/C, suspension, steering, alignment and brake concerns deserve a clear diagnosis. We also evaluate selected low-voltage and cooling-system issues for Model 3, Model Y, Model S, Model X and Cybertruck vehicles.

Spring Mountain · 702-754-6774
Post Road · 702-430-1000
Available work depends on the model, year and diagnosis. Internal high-voltage battery-pack repair is a separate specialty.
Local knowledge. Careful diagnosis.
Las Vegas heat, dusty conditions and time spent in traffic make your driving routine an important part of the repair conversation. At Universal Motorcars, we ask when the problem happens and inspect the relevant systems. A hot day can expose a weakness, but the repair still needs to address the actual cause.
Tell us whether the air turns warm at idle, during afternoon traffic or throughout the drive. Our car A/C diagnostics consider leaks, compressor operation, airflow, fans and electrical controls before we recommend a repair.
A/C cools the cabin; the engine cooling system manages engine temperature. Coolant condition, leaks, hoses and radiator performance deserve attention before summer travel. Bring rising-temperature or coolant-loss concerns to our engine repair team. If the engine overheats, stop safely and arrange assistance.
Heat can accelerate battery deterioration. A slow start or repeated dead battery calls for testing, rather than assuming a replacement will solve it. Our battery and electrical service checks the starting and charging concerns relevant to your vehicle.
Dust can collect in engine and cabin air filters. Bring your mileage and service history so we can discuss filter condition and the manufacturer’s maintenance schedule, including severe-use guidance when it applies to your driving. Your car’s needs determine the work.
A local shop with reasons to earn your trust. Our family-owned team combines ASE-certified technicians, recognition in the 2025 Best of Las Vegas awards, clear repair explanations and warranty coverage on eligible work. Tell us how you use your car so we can help you prioritize the repair and plan what comes next.
For general seasonal vehicle-care guidance, see NHTSA’s summer driving checklist and AAA’s maintenance guidance.
An independent alternative to the dealership
Bring your dealership or repair-shop estimate to Universal Motorcars. Our independent-shop pricing can be lower, and we will help you compare the work being recommended—not just the total price.
Bring the written estimate, diagnostic results and service history. Confirm diagnostic charges before we inspect the vehicle.
A second opinion may confirm the original recommendation or identify a different repair path. We explain the findings and repair options before you authorize the work.
Concerned about driving safely? If the vehicle is overheating, losing braking ability or leaking heavily, stop driving when safe and arrange professional assistance.

Eligible mechanical repairs at Universal Motorcars include a 12-month/12,000-mile North American warranty with coast-to-coast coverage and 24-hour roadside-assistance support. That gives qualifying customers a clear support path if a covered issue occurs away from Las Vegas.
Coverage eligibility, exclusions, claim procedures and roadside benefits are governed by the written warranty terms provided with the qualifying repair. Ask our service team whether the recommended work is eligible before authorizing repairs.
Proudly local. Recognized by Best of Las Vegas.
Universal Motorcars is proud to be a family-owned part of the Las Vegas community. Universal Motorcars earned the 2025 Best of Las Vegas Silver award for Auto Repair. We bring that local commitment to the way we care for customers seeking mechanical repairs, maintenance and a second opinion at Spring Mountain.
Local service. ASE-certified technicians. More than 35 years of automotive experience. Visit our Spring Mountain team for mechanical repairs, maintenance or a second opinion on a major estimate.

Mechanical inspection and testing help identify the cause of your vehicle’s concern.
We explain what affects safety now and what can be planned for later.
Mechanical and collision capabilities can be coordinated at Spring Mountain when appropriate.
Customer experiences
These repair experiences were shared by customers marked “Verified Customer” on SureCritic.
Summaries of individual customer reviews. Repair findings, parts availability, turnaround and savings vary by vehicle and job.
Before your visit
Clear answers about repair costs, dealership estimates, Tesla service and your visit to Universal Motorcars.
General passenger-vehicle mechanical service is handled at our Spring Mountain location: 5585 Spring Mountain Rd, Las Vegas, NV 89146. Hours are Monday–Friday, 8 AM–6 PM, and Saturday, 8 AM–2 PM; Sunday closed. Call 702-754-6774 to confirm the right location for your vehicle and repair.
Call 702-754-6774 or request service online. Share your vehicle’s year, make, model, mileage, symptoms and any recent repairs. Bring service records and previous estimates if available. An online request needs confirmation from our team before your appointment is booked.
Yes. Our independent-shop pricing can be lower than dealership pricing. Bring your written estimate so we can compare the same repair scope, parts, labor and warranty. Your price depends on the vehicle, diagnosis and work required.
Yes. Bring the written estimate, diagnostic results and service history. We can inspect the vehicle and explain whether our findings support the recommended work. A second opinion may confirm the original diagnosis or identify another repair path; confirm diagnostic charges before the inspection.
Repair and diagnostic costs depend on the vehicle, required testing and repair scope. Confirm diagnostic charges before inspection. After testing, review the findings, repair estimate and expected timing before authorizing repairs.
We can discuss your vehicle, symptoms and the next step by phone. A final repair estimate may require inspection or diagnostic testing to establish the cause and scope of work. Call 702-754-6774, ask about diagnostic charges and review the repair estimate before authorizing work.
Yes. We explain the findings, recommended work and repair priorities before you authorize repairs. Ask us to walk through the parts, labor, available options and applicable warranty.
Same-day service depends on the job, parts availability and our schedule. Call with your vehicle details and symptoms. We will discuss assessment availability first and the repair timeline after diagnosis.
Our Spring Mountain shop handles mechanical repair for domestic, Asian and European passenger vehicles. Call with the year, make, model and requested work so we can confirm service availability. Explore the repair and maintenance services above, or tell us what you need when you call.
Yes. Tesla mechanical repair is available at Spring Mountain and Post Road for A/C, suspension, steering, alignment, brakes and selected low-voltage and cooling concerns. Service availability varies by model, year and diagnosis. Call Spring Mountain: 702-754-6774 or Post Road: 702-430-1000 before your visit. Internal high-voltage battery-pack repair is a separate specialty.
No. A code helps identify the system reporting a fault, but it may not identify the failed component or underlying cause. Our engine diagnostics and repair process uses the symptoms, inspection and relevant testing to guide the repair instead of replacing a part based only on a code.
Not necessarily. Weak cooling can involve refrigerant loss, a compressor problem, restricted airflow, cooling fans or electrical controls. Our automotive A/C service checks the cause before recommending work. Tell us whether cooling changes at idle, while driving or during the hottest part of the day.
If the vehicle is overheating, braking ability is reduced, a major leak develops or an urgent safety warning appears, pull over when it is safe and stop driving. Arrange professional assistance rather than continuing to the shop. Describe the symptoms when you call so the service team understands the concern.
Heat makes A/C performance, engine cooling and starting-battery condition especially relevant to a summer inspection. Dust also makes engine and cabin filter condition worth checking. Tell us about warm air, coolant loss, rising engine temperature or slow starting. We base recommendations on your symptoms, inspection findings and the manufacturer’s guidance, including severe-use instructions when applicable.
Start with the manufacturer’s maintenance schedule and bring your mileage, service records and any current concerns. Our team can discuss scheduled maintenance and inspection findings, including oil, filters, fluids and belts where applicable. The appropriate work depends on your vehicle and its condition.
Eligible mechanical repairs include a 12-month/12,000-mile North American warranty with coast-to-coast coverage. Eligibility, exclusions, claim procedures and roadside-assistance benefits follow the written warranty terms supplied with the qualifying repair. Ask whether your specific repair qualifies and review those terms before authorizing work.
Plan your visit
For general passenger-vehicle diagnostics, maintenance and mechanical repairs, contact our Spring Mountain team. Tell us what your vehicle is doing so we can discuss the next step.
Universal Motorcars
5585 Spring Mountain Rd
Las Vegas, NV 89146
Phone: 702-754-6774
Hours: Monday–Friday 8 AM–6 PM
Saturday 8 AM–2 PM · Sunday closed
Map and directions above are for Spring Mountain.
Need Tesla mechanical service? It is available at both Spring Mountain and Post Road. See Tesla services and choose your location, or call Post Road at 702-430-1000 to confirm availability.
Include the year, make, model, mileage and symptoms in your message. For Tesla service, include your preferred location.
This is a service request. Our team will confirm the appointment, diagnostic charges and next steps. A final mechanical repair estimate may require an inspection and testing.