Frank's Auto Service and Repair
“Good honest people that don't try to sell you services that you don't need.”
Best Engine Repair & Rebuild in Walnut Creek, CA
15 technicians listed · 13 in Walnut Creek · 2 open weekends · 13 rated 4.5+ · 1 shows a license
Data verified October 16, 2026
Roesbery Car Care
“I definitely recommend Roesbery if you are looking for a new car maintenance business.”
Aamco Transmissions & Total Car Care
“Their exceptional service and dedication to finding the best possible solutions are why I will continue to be a loyal customer and recommend them wholeheartedly to anyone in need of car repairs or maintenance.”
Central Automotive Service Center
“Professional, friendly and they have never recommended service that was not needed.”
Oakmont Auto Care
“James and German helped me out big time with patience and fair pricing.”
Main Street Auto Repair
“Appreciated that they followed up a few days later to check in about the work they did.”
Listed for drivers in and around Walnut Creek, CA, these 15 shops repair, rebuild and replace engines. What each one says about machine work, warranty terms and the engines it supplies comes from its own website; ratings and quotes come from public reviews.
Area overview: Walnut Creek, CA
13 of the 15 technicians we list are based in Walnut Creek; the other 2 serve Walnut Creek from Orinda (8 mi) and Pittsburg (11 mi). The technicians on this page are rated from 4.0 to 5.0 across 2,279 reviews; 8 have 50 or more reviews and 13 are rated 4.5 or higher. The topics that come up most in reviews of the technicians on this page are "communication", "price" and "fair". 2 are open on Saturdays. The services the technicians on this page list most often on their websites are oil change (3), air conditioning services (2), brake repair (2), fleet services (2) and smog check (2). 1 shows a license on its website; 6 list staff certifications (ASE) and 7 have a BBB rating of A or A+. Domain records put 9 websites of the technicians on this page at ten or more years old; the oldest dates from 2000. 1 offers financing; 1 gives free estimates; 5 are family- or locally-owned and 8 list coupons or special offers. 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.
Why do some listings show another city?
13 of the 15 shops are in Walnut Creek itself and the rest come from other towns within 15 mi. An engine job means leaving the car for days, so the drive happens once at each end rather than every morning.
Devil Mountain Diesel
“Great service with these guys hands down fix my truck got me back on the road plenty of times,highly recommended, definitely taking my truck to them every time”
Bazzone Motors Auto Repair
“He was so very helpful for me at a fair and reasonable price.”
Walnut Creek Transmission
“They explained everything they did to fix my vehicle very thoroughly.”
SS Motorsports Service and Repair
“Steve and his team are dedicated to delivering the services to keep and maintain your pride and joy as best as possible.”
Nick's Exclusive Mercedes Services
“I recently had my transmission and other repairs done at Nick's and must say that he and his staff were very professional and friendly.”
Lafayette Auto Repair
“Great service, I have never felt like I'd been had and I think they have fair pricing.”
German Autotech
“They know what they are talking about.”
Orinda Motors
“I also can just drop by to have them check my tire pressure or any other concerns i might have about my car.”
BMW Service-Bush Motor Works
“They did a great job with my BMW and an extra mile for my registration.”
Why these companies made our list
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