Compare the highest-rated gmc repair mechanics in Upper Lake, California. All shops are licensed, insured, and verified through our rigorous screening process.
A well-regarded local, full-service shop that is the go-to option within Upper Lake itself. They handle a wide range of repairs from standard engine diagnostics to diesel service and general transmission work. While not a GMC-exclusive specialist, they are the most capable and trusted repair facility directly in town for GMC owners needing common repairs and maintenance.
Located in the nearby city of Lakeport, this is a highly-recommended regional specialist for truck and SUV repairs. They have extensive experience with domestic brands like GMC, particularly with their truck platforms, drivetrains, and 4WD systems. This is the shop Upper Lake residents would likely use for more complex issues beyond general maintenance.
Another strong regional provider located in Kelseyville, known for comprehensive automotive care including transmission service, electronics diagnostics, and towing system maintenance. They service a large volume of the local truck and SUV fleet, including GMC Sierras, Yukons, and Denalis.
The GMC repair market in Upper Lake itself is characterized by a single, reputable generalist (J&J Automotive & Diesel) that serves the immediate community for a wide range of automotive needs. For specialized services requiring deep brand-specific expertise (e.g., complex Allison transmission rebuilds, advanced Denali electronics), residents must look to the larger surrounding towns in Lake County, primarily Lakeport and Kelseyville, which are a 15-20 minute drive away. The competition level is low within Upper Lake but moderate within the county. The quality of service is generally high, as these rural shops build their reputation on long-term customer relationships and word-of-mouth. Pricing is typically competitive but can be higher for specialized diesel or transmission work due to the required expertise and tooling. There are no GMC or Chevrolet dealerships in Upper Lake; the nearest are in Ukiah, making the independent shops in Lakeport and Kelseyville the most practical choice for specialized GMC repair.
4.7+ star average from verified customer reviews
All shops are properly licensed and insured
10+ years average experience in the industry
Familiar with Upper Lake regulations and climate
Common questions about gmc repair services in Upper Lake, CA
Given our rural roads and summer heat, common local issues include suspension wear from uneven terrain, cooling system problems, and air conditioning repairs. For trucks like the Sierra, transmission service and 4WD system maintenance are also frequent needs due to hauling and occasional off-road use.
Look for shops in Upper Lake or nearby Lucerne with certified GMC/GM technicians, as specialized training is key. Check reviews focusing on truck and SUV service, and ask local residents or ranchers for personal recommendations, as word-of-mouth is strong in our small community.
Parts availability can sometimes lead to slightly longer wait times, but labor rates in Lake County are generally competitive. For major repairs, some residents compare quotes from shops in Clearlake or even Ukiah, factoring in the travel for potential savings.
Seek service immediately if the light is flashing or if you notice performance loss, as driving our steep grades like Highway 20 can worsen problems. For a steady light, a local shop can perform a diagnostic scan to identify the issue, which is often related to emissions sensors or fuel system components.
Consider our dusty summer conditions for more frequent air filter changes and our winter moisture for brake corrosion. If you use your GMC for towing boats to Clear Lake or hauling, adhere strictly to severe service maintenance intervals for fluids and brakes.