Expert Cadillac maintenance and repair from ASE-certified technicians at ExperTec Automotive Costa Mesa.

Cadillac owners in Costa Mesa expect refined service without the dealership wait. ExperTec Automotive at 1934 Newport Blvd delivers it, with ASE-certified technicians who work on everything from the XT4 and XT5 to the CT5 and full-size Escalade.
Our location on the Newport Blvd corridor sees plenty of Cadillacs making short trips to South Coast Plaza, dinners in Newport Beach and weekend events at the OC Fair grounds. Short drives and coastal salt air are tough on batteries, brake hardware and suspension components, and we look closely at all three on every visit.
We use dealer-level scan tools to diagnose CUE infotainment glitches, Magnetic Ride Control faults and driver-assist warnings, then repair them with OEM-quality parts. Every job carries a 3-year/36,000-mile nationwide warranty from a shop with 30+ years in Orange County and 10 years as OC’s best auto repair.
Cadillac uses the GM Oil Life Monitor, which calculates when your oil needs changing based on engine revolutions, temperature and how the vehicle is driven, and displays remaining oil life as a percentage in the Driver Information Center. Changes typically come up somewhere between about 5,000 and 7,500 miles, sooner with towing, short trips or heat, and at least once a year regardless. Items like tire rotation, air filters, spark plugs, transmission fluid and coolant follow the separate schedule in your owner’s manual. We use dexos-approved oil in the correct viscosity for your engine and reset the monitor after every service.
Upon completion of the standard maintenance tasks we provide an additional 30-point inspection to make sure that all components in your Cadillac are up to date and working well.
~5,000–7,500 miles, or at least yearly
~22,500–150,000 miles, varies by model/engine
At ExperTec Automotive, we’ve been repairing Cadillac vehicles in Orange County for over 30 years. Even well-built Cadillac models develop specific problems as they age, and 55 Freeway commutes and coastal salt air add to the wear. Our Costa Mesa technicians diagnose these issues quickly, follow Cadillac factory repair procedures and use quality parts you can trust.
Cadillac’s CUE infotainment system, used on many 2013 to 2017 models including the ATS, CTS, XTS, SRX and Escalade, is known for touchscreens that crack, bubble or stop responding to touch. Ghost inputs and frozen screens are common symptoms. We diagnose whether the fault is the touch panel, display or module and replace the failed part rather than the whole unit when possible.
Escalades with the 6.2L V8 and cylinder deactivation (AFM or DFM) are known for lifter failures. Symptoms include a ticking noise, misfire codes and rough running, and a collapsed lifter can damage the camshaft. We confirm the affected cylinders with dealer-level diagnostics and replace lifters, guides and related parts, inspecting the cam for wear while the engine is apart.
Cadillacs with the 8-speed automatic, including many mid-to-late 2010s Escalade, CTS and CT6 models, are known for a shudder or vibration at steady highway speeds, often from the torque converter clutch. Updated fluid and a full flush resolve many cases. We confirm the symptom with live data, perform the recommended fluid exchange and evaluate the torque converter if needed.
Earlier 3.6L V6 engines used in models like the SRX, CTS and STS, especially from the late 2000s to early 2010s, are known for timing chain stretch. Warning signs include a check engine light with cam and crank correlation codes, rough idle or startup rattle. We verify stretch with live data and replace chains, guides and tensioners together.
The older Northstar V8 in DeVille, DTS, STS, Seville and some SRX models is well known for head gasket failures caused by weakened head bolt threads in the aluminum block. Symptoms include overheating, coolant loss and white exhaust smoke. We pressure-test the system, check for combustion gases in the coolant and explain repair options honestly before any major work.
Magnetic Ride Control shocks on the Escalade, CTS-V, STS and other models can leak fluid or fail electrically over time, causing a harsh or floaty ride and a service suspension warning. We scan the suspension module for fault codes, inspect each shock for leaks and replace failed units with the correct magnetic dampers, then confirm proper operation.
Our Costa Mesa auto repair shop is on Newport Boulevard, the main route between the 55 Freeway and Newport Beach, a short drive from Triangle Square and the OC Fair & Event Center.
Between 55 Freeway commutes, coastal trips to Newport and short around-town errands, Costa Mesa cars see a lot of heat, salt air and stop-and-go driving. That’s why our Costa Mesa technicians focus on catching problems early, explaining your options clearly and fixing it right the first time.
Neighborhoods we serve: Eastside Costa Mesa, Westside Costa Mesa, Mesa Verde, College Park, South Coast Metro, Newport Heights.
Nearby cities: Newport Beach, Irvine, Santa Ana, Huntington Beach, Fountain Valley.
Proud member of the Costa Mesa Chamber of Commerce.

1934 Newport Blvd, Costa Mesa, CA 92627
Mon–Fri 7:30AM–6PM · Sat 7:30AM–4PM · Sun Closed
Book in Costa MesaGet DirectionsView Shop DetailsOur Costa Mesa shop is at 1934 Newport Blvd, Costa Mesa, CA 92627. Call (949) 645-7722 or book online.
Monday through Friday 7:30 AM to 6:00 PM and Saturday 7:30 AM to 4:00 PM. We are closed on Sunday.
No. Under federal law, routine maintenance and repairs at an independent shop do not void your factory warranty, as long as the work follows the manufacturer’s schedule and specifications. We document every service so you have a complete record.
Yes. Every repair includes a 3 Year / 36,000 Mile Nationwide Warranty plus 12 Month / 12,000 Mile Roadside Assistance.
Book online in minutes at ExperTec Automotive Costa Mesa. Online appointments are drop-off appointments; for a waiting appointment, please call the shop.
Mon–Fri 7:30AM–6PM · Sat 7:30AM–4PM. All appointments booked online are drop-off appointments. For waiting appointments, please call the shop.
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7680 Talbert Ave, Huntington Beach, CA 92648
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1934 Newport Blvd, Costa Mesa, CA 92627
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Voted Orange County’s Best Auto Repair 10 years in a row by readers of the Orange County Register. Book online in minutes or call your nearest shop.