Heavy-Duty Diesel Repair in Grande Prairie, AB & Dawson Creek, BC
Serving Grande Prairie, AB and Dawson Creek, BC, R&R Diagnostics and Repair delivers trusted heavy-duty diesel service, expert repairs, and mobile support when you need it most.

About Our Shop
When you need a diesel repair shop you can count on, R&R Diagnostics and Repair, is there for you with over 40 years of combined experience in heavy duty diesel repair. We’ve built our reputation on hard work, high standards, and family pride. We do more than turn wrenches, we build relationships with our partners to keep their businesses running right. Our founders, Rod and Ryan, started this business to do things right the first time, and that principle still drives every job we take on. Whether you're hauling oilfield equipment or managing a fleet, we’re here to keep you moving.


Heavy-Duty Truck Services
we do it all
From comprehensive fleet maintenance to custom repairs on oilfield machinery, our certified techs in Grande Prairie and Dawson Creek are equipped to handle your toughest jobs. Our Dawson Creek location even offers professional truck washing and interior detailing. Got a big job? We’re ready.
News & Articles
Find regular articles covering a wide range of topics related to diesel repair, maintenance, and troubleshooting.
Don't Take our word for it.
Read Customer Testimonials.
"I called in needing an exhaust clamp and gasket replaced. They fit me in immediately and was in/out within 30 min with a very fair bill. They didn't have the parts, but ran out to trp and picked up the required parts for the job. I would definitely recommend."
"Rod was great to deal with. He got me in quickly and fixed my truck in a timely manner. The bill was way les than expected. Thank you guys for doing such a great job! I would definitely recommend R&R to anyone needing repairs."
"Rod and his gang provided top notch service. Had the fan fall off our motor home with a cat c7 engine. He was the only person that offered help. Spent hours and hours trying to locate parts finally found the part and got us on our way. Very accommodating. Highly recommend."
Frequently Asked Questions
Find detailed responses to some of our most frequently asked questions.
We service all types of heavy-duty diesel trucks, including highway tractors, oilfield equipment, and vocational units. Whether it’s engine, brake, or drivetrain-related, we’ve got the tools and knowledge to handle it.
Yes. We offer advanced diagnostics using industry-grade software and tools. From electrical shorts to sensor issues, our technicians pinpoint faults quickly to minimize downtime.
Absolutely. We service and repair DPF, EGR, DOC, and SCR systems, and we can perform forced regenerations when needed. If your emission light is on, we can help.
Yes. With a strong background in oilfield service, we’re familiar with the heavy-duty requirements of off-road and field trucks. Our team doesn’t shy away from tough jobs.
Yes. We provide custom diesel fleet service packages tailored to your operation’s needs, including filter changes, inspections, and fluid checks for every unit.
We’ll stop and contact you first. Transparency is key—no surprises on your invoice. We’ll walk you through what we found and get your go-ahead before proceeding.
Our mobile diesel repair service covers up to 100km around Grande Prairie and Dawson Creek. We also support regular clients in Edmonton and Calgary when needed.
Yes. Many fleet clients prefer we come to them for scheduled maintenance or large-scale service days. Just give us a call to coordinate availability.
A CVIP covers all critical safety and operational components, including brakes, lights, steering, suspension, and emissions. We also document any non-compliance findings.
Commercial trucks in Alberta typically require a CVIP annually. Spring is the busiest CVIP season—book early to avoid delays.
Yes, we offer on-site CVIP inspections for fleet customers. It’s an efficient option for businesses with multiple units.
We’ll provide a report detailing what needs to be fixed. Once the necessary repairs are complete, we’ll re-inspect and issue the certificate.
Contact Us
Let us know what is going on with your vehicle, and we will get back to you soon with a quote.
Contact Information
Hours
Locations
Dawson Creek,
BC V1G 0G2, Canada
Grande Prairie,
AB T8X 0L2, Canada

