Rank 1: Mears Auto & Diesel Repair
Widely regarded as the top-tier diesel and transmission specialist in South Orange County. Mears has built a formidable reputation for technical expertise on complex Duramax and Allison systems. They are a family-owned business known for honest diagnostics and high-quality work, making them a trusted choice for heavy-duty GMC owners, especially those relying on their trucks for towing and work.
Specialties & Features
- Duramax diesel service
- Allison transmission repair
- Heavy-duty truck suspension
30211 Avenida de las Banderas, Rancho Santa Margarita, CA 92688
Business Information
- Licensed: Yes
- Insured: Yes