Welcome to Karls Auto Machine Shop


Karls Auto Machine Shop is the leading full-service auto repair shop USA. We are also one of the few AAA-Approved auto repair centers with a 100% approval rating – a testament to the great customer service we strive for each day!

Are you having automotive engine problems?

Come to us for affordable engine rebuilding for all makes and models.

Karls Auto Machine Shop is your final destination for total car care services. Our team make sure your vehicle always receives a superior level of auto service. We want you to come to us first because we save you time and money by getting your repairs right the first time! You’ll keep coming back to us because you can trust our expertise and our automotive counsel.

Our customers enjoy having a team in waiting with extensive automotive knowledge, personalized care and attention, and fair pricing. When we say we’re the best auto repair shop, we mean you couldn’t make a better choice in auto care provider than Karls Auto Machine Shop!


Why we are the best!!!

Complete Engine Repairs

No job is too big or small. All foreign and domestic car engines, as well as farm and industrial engines, can be rebuilt by our team of experts. Don’t trust your engine with just anyone. When you need quality service you can count on, turn to us. Rely on our professionals for the honest, friendly service and decades of experience in the field.

Affordable Pricing

You won’t have to break the bank for the repairs you need. You can receive the best service, parts and repairs you need at the most affordable prices.

Protecting Your Vehicle With Years Of Experience

Have your engine rebuilt by our technicians and you can rest easy on our warranty. You will receive a 1-year warranty on your rebuilt engine at no additional cost. Your repairs will be performed by a team that is the best in the business, providing 30 years of service to Corona and surrounding areas. When you leave, you can trust us knowing that you’ve received the best service in the area.


Testimonial Photo

These guys are great, it’s always a good sign when you see a restored muscle car out front lol. Everyone was super cool, they got the car in and out in a few hours. And the car is back to driving like it’s on rails. I will definitely have them do the alignment on my Trans Am when she’s road worthy again. Thanks guys!

Dennis Burke
Testimonial Photo

The staff was very professional and the service was quick. I had my 2011 Prius driver’s door side mirror replaced.

Tyler Garza
Testimonial Photo

Been going here since I moved a few years ago. They are always good to me and take care of any problems my car has.

Carol Greene
Testimonial Photo

Great service. Was told exactly what problem was, they repaired my vehicle, and I got my vehicle back within hours. The staff were nice. Couldn’t ask for better service.

Rose Galler

We arew your best plug!!!

Trust your vehicle to the Karls Auto Machine Shop for auto repair and in total auto reconditioning.

  • Highly trained technicians. Karls Auto Machine Shop’s technicians receive ongoing training that allows them to use the latest innovative methods in vehicle repair.
  • 100% satisfaction-guaranteed repairs.
  • Locally owned and operated business. We provide the customer service our community deserves.