The GMC TopKick and its related series (C4500–C8500, G-Series, P-Series, and R/V-Series) were built for serious commercial duty. These medium- and heavy-duty trucks have served in municipal fleets, delivery services, and construction for decades.  Common Problems  Oil cooler leaks under high-load conditions  Turbocharger wear in diesel variants  Injector and fuel pump failures  Overheating from restricted cooling systems  … Read more

The GMC Terrain is a compact SUV that punches above its weight, combining luxury-inspired comfort with practical versatility. Its four-cylinder and V6 engines deliver smooth power for city and highway driving.  Common Problems  Timing chain stretch on 2.4L models  Excessive oil consumption  PCV valve clogging  Water pump housing leaks  Sensor-related stalling  Why Remanufactured?  Gearhead Engines’ … Read more

The GMC Syclone, Sonoma, and Caballero represent the sportier side of GMC’s pickup heritage. With lightweight frames and powerful engines, they blend practicality with surprising performance, especially the turbocharged Syclone.  Common Problems  Oil leaks from turbo seals and gaskets  Intake manifold gasket failures  Fuel injector clogging  Timing chain stretch on V6 engines  Cooling system corrosion  Why Remanufactured?  … Read more

The GMC Sierra lineup—ranging from the light-duty 1500 to the heavy-duty 3500 HD—has long been a benchmark for truck performance and reliability. Built to handle demanding workloads and long hauls, the Sierra’s V6 and V8 powertrains define endurance.  Common Problems  Lifter tick in AFM-equipped V8s  Oil pressure fluctuations under load  Timing chain wear on high-mileage … Read more

The GMC Savana van line powers commercial, fleet, and utility vehicles across North America. Known for its robust engines and high-mileage potential, the Savana remains a go-to choice for contractors and transport companies.  Common Problems  Oil pressure sensor malfunctions  Exhaust manifold cracking  Timing chain and lifter noise  Cooling system leaks  Sensor or ECM errors under heavy load  … Read more

The GMC Jimmy and S15 Jimmy were trusted compact SUVs known for their rugged dependability, while the rare GMC Typhoon brought turbocharged performance and sports-car handling to the SUV world.  Common Problems  Vacuum leaks and sensor failures  Turbocharger wear on Typhoon models  Intake manifold gasket leaks  Timing chain stretch in high-mileage engines  Cooling system corrosion  … Read more

Buick LaCrosse Remanufactured Engine Smooth, stylish, and reliable — the Buick LaCrosse represents the best of Buick’s modern engineering. With its refined V6 power and quiet cabin, the LaCrosse quickly became a popular choice for luxury sedan buyers. If your LaCrosse engine has high mileage or has suffered a failure, Gearhead Engines can restore it … Read more

Buick Regal Remanufactured Engine The Buick Regal has always embodied refined performance — from its classic GS models to today’s modern turbocharged trims. When your Regal’s engine starts losing power or reliability, a remanufactured engine from Gearhead brings it back to peak condition. Our remanufactured Regal engines are rebuilt with precision, using advanced machining and … Read more

Buick LeSabre Remanufactured Engine For decades, the Buick LeSabre stood as one of America’s best-selling full-size sedans, known for its quiet ride, durability, and comfort. Many LeSabres remain on the road today thanks to their sturdy design and dependable powertrains — but like any vehicle, their engines eventually need attention. Gearhead Engines specializes in remanufactured … Read more

Buick Reatta Remanufactured Engine The Buick Reatta remains one of the most distinctive and collectible Buicks ever made. Handcrafted and produced in limited numbers, the Reatta combined Buick luxury with sporty, personal coupe styling. Today, Reatta owners appreciate its timeless design, smooth driving feel, and durable 3.8L V6 engine — but after decades on the … Read more