About Grizzli Diesel Performance
Grizzli Diesel Performance provides in-shop diesel engine repair and RV repair at its Carol Stream, Illinois location, serving owner-operators and RV owners across the greater Chicago western suburbs. The shop operates within a 15-mile service radius, covering nearby communities including Glendale Heights, West Chicago, Addison, and Streamwood. Diesel-specific work is the operator's focus, addressing the needs of mobile home owners and light-duty diesel truck operators in this distribution and commuter corridor. Call (630) 800-8469 for diesel engine or RV repair service.
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Our Services
RV Repair
Diesel Engine Repair
Diesel Specialist
Customer Reviews
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Verified Customer
Google Review
I took my 21 Denali L5P to the crew at GDP and they did an awesome job "upgrading" it with a trans tune and SOTF tunes. It been 27k miles now since the work was completed. I'm happy to report that everything is working flawlessly. Thank you so much for great work. I'm also getting some awesome fuel mileage as a result.
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Verified Customer
Google Review
Response from the owner
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Verified Customer
Google Review
An absolute pleasure working with John. I have a 2001 f350. And John's only the second mechanic to work on my truck, and the last one at that. Had my truck a week and reached out 3 times with updates. Price and Quality are on point! All future work/upgrades will be done by grizzli. Thank you!