Expert GMC maintenance and repair from ASE-certified technicians at ExperTec Automotive Huntington Beach.

Huntington Beach GMC owners know their vehicles have to handle sand, salt and surf. A Sierra loaded with boards on PCH, a Yukon parked by the pier all day, or an Acadia doing the 405 commute all get the same thorough care at ExperTec Automotive, 7680 Talbert Ave near Gothard.
Ocean air works on brake lines, exhaust hangers, frame hardware and electrical connections, while fine sand gets into air filters and wheel bearings. Summer beach traffic near Huntington Central Park and Bella Terra means lots of slow driving and heat for the 8- and 10-speed transmissions.
Our ASE-certified technicians bring 30+ years of Orange County experience, dealer-level scan tools and OEM-quality parts to every Sierra, Yukon, Terrain, Acadia and Canyon. Repairs carry a 3-year/36,000-mile nationwide warranty, from a shop voted OC’s best auto repair for a decade.
GMC uses the GM Oil Life Monitor, which calculates remaining oil life from engine revolutions, operating temperature and driving conditions rather than a fixed mileage. When it reaches a low percentage, the driver information center shows a “change engine oil soon” message, and GM says the oil should be changed at least once a year regardless. Gas engines call for a dexos-approved oil, and the Duramax diesel has its own reminders for fuel filter and DEF. Mileage-based items like air filters, transmission fluid, spark plugs and coolant follow the schedule in the owner’s manual, so we track both.
Upon completion of the standard maintenance tasks we provide an additional 30-point inspection to make sure that all components in your GMC are up to date and working well.
~Per Oil Life Monitor, at least once a year
~Per Oil Life Monitor and diesel reminders
At ExperTec Automotive, we’ve been repairing GMC vehicles in Orange County for over 30 years. Even well-built GMC models develop specific problems as they age, and PCH beach traffic, 405 commutes and salt air add to the wear. Our Huntington Beach technicians diagnose these issues quickly, follow GMC factory repair procedures and use quality parts you can trust.
Sierra HD Duramax trucks can show warnings for DEF quality, NOx sensors or a clogged diesel particulate filter, sometimes reducing power until fixed. Short trips without regular highway driving make it worse. We read diesel system data with dealer-level tools, test sensors and heaters, run service regenerations when appropriate and repair the root cause.
First-generation Acadias with the 6-speed automatic, roughly 2007-2012, were known for a failing internal wave plate that causes loss of third, fifth and reverse. Owners also report power steering line leaks. We diagnose shift complaints with scan data and pressure tests, and replace leaking hoses with OEM-quality parts before low fluid damages the pump.
The 5.3L and 6.2L V8 in Sierras and Yukons use cylinder deactivation, and the special lifters can collapse or stick, causing ticking, misfires and a check engine light. It is widely reported and can appear at varying mileage, by model/engine. We diagnose with scan data and inspection, then replace lifters and related parts, often with the camshaft if it is damaged.
Many 8-speed automatics in Sierras, Yukons and Acadias from roughly 2015-2019 developed a shudder or vibration at steady highway speeds, often from the torque converter clutch. GM released updated fluid for the issue. We confirm with a road test and scan data, then perform a complete fluid exchange with the updated fluid and check for any remaining shudder.
Older Acadias with the 3.6L V6, roughly 2007-2012, are known for timing chain stretch, especially when oil changes were stretched. You may see a check engine light for cam and crank correlation, or hear a rattle at startup. We confirm with scan data and replace the chains, guides and tensioners as a complete set.
Sierras and Yukons often develop a clunk or knock in the steering when turning at low speeds, commonly from the intermediate steering shaft. Worn tie rods, ball joints and control arm bushings add looseness, especially on lifted or towing trucks. We inspect the full steering and suspension, replace worn parts and finish with an alignment.
Our Huntington Beach shop is on Talbert Avenue near Gothard Street, just a few minutes from Huntington Central Park, Beach Boulevard and the 405 Freeway.
From beach traffic on PCH to commutes on the 405, Huntington Beach driving is a mix of salt air, sand and stop-and-go miles. That’s why our Huntington Beach technicians focus on catching problems early, explaining your options clearly and fixing it right the first time.
Neighborhoods we serve: Downtown Huntington Beach, Huntington Harbour, Seacliff, Sunset Beach, Huntington Central Park area, Bella Terra / Edinger corridor.
Nearby cities: Fountain Valley, Westminster, Seal Beach, Garden Grove, Midway City.
Dan
Krysta
Darrell
Cuong
Armando
TonyProud member of the Huntington Beach Chamber of Commerce.

7680 Talbert Ave, Huntington Beach, CA 92648
Mon–Fri 7:30AM–6PM · Sat 7:30AM–4PM · Sun Closed
Book in Huntington BeachGet DirectionsView Shop DetailsOur Huntington Beach shop is at 7680 Talbert Ave, Huntington Beach, CA 92648. Call (714) 848-9222 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.
Some owners use aftermarket devices to disable cylinder deactivation, but they do not repair a lifter that is already failing. The best protection is regular oil changes with dexos-approved oil and early diagnosis of any ticking or misfire.
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 Huntington Beach. 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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