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We have 3 technicians in Diamond Bar on file, and all of them are on this list, along with 21 from towns including Corona (3, 17 mi), Pomona (2, 5 mi) and Rowland Heights (2, 5 mi).
10 open weekends · 22 rated 4.5+ · 2 show a license
Data verified October 16, 2026
Listed for drivers in and around Diamond Bar, CA, these 24 shops handle tune-up work and running faults. What each one says about diagnostics, warranties and service specials comes from its own website; ratings and quotes come from public reviews.
The 24 technicians on this page are rated from 4.4 to 5.0 across 5,522 reviews; 23 have 50 or more reviews and 22 are rated 4.5 or higher. When customers rate these technicians on specific qualities, they most often praise professionalism (85%), quality (72%) and punctuality (67%). The topics that come up most in reviews of the technicians on this page are "price", "fair" and "honest". 10 are open on Saturdays. The services the technicians on this page list most often on their websites are brake repair (3), oil change (3), tires (3), suspension (2) and transmission services (2). 2 show a license on their websites; 4 list staff certifications (ASE) and 15 have a BBB rating of A or A+. Domain records put 15 websites of the technicians on this page at ten or more years old; the oldest dates from 1997. 4 offer financing; 1 gives free estimates; 11 are family- or locally-owned and 11 list coupons or special offers. 1 has Spanish-speaking staff. We count these figures across the technicians on this page; distances are straight-line, and hours and prices change, so confirm the details with the technician before you visit.
Online booking is offered by 7 of the 24 shops on this page. Put the symptom in the notes rather than picking a service name, because a shop that knows it is chasing a misfire will set aside diagnostic time instead of a quick parts slot.
