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Dooley’s Diabolical Diesel is transforming light duty diesel trucks into the trucks they should have been from the factory. We upgrade parts to make a more reliable truck that lasts. We love working on these trucks! Why? Because we personally own Ford, Dodge and Chevy diesels. We are professional with each and every customer. We don’t just swap parts, we make your truck everything you want it to be.Dooley’s Diabolical Diesel can rebuild or replace any engine or part on your truck, whether you’re looki... read more
2012 13th St S, Great Falls, MT, 59405, United States
Get directionsWeekday | Schedule | Status |
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Mon | 8:00 a.m. to 5:00 p.m. | |
Tue | 8:00 a.m. to 5:00 p.m. | |
Wed | 8:00 a.m. to 5:00 p.m. | |
Thu | 8:00 a.m. to 5:00 p.m. | |
Fri | 8:00 a.m. to 5:00 p.m. | |
Sat | Closed | |
Sun | Closed |
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Im big into supporting small businesses in my town... But my experience with Casey when he put a mildly Bulit 68rfe trasmission in my Dodge was terrible....This truck has a second gen kit with stock fueling! Had it for less then two years and 13,400 miles and my 5th and 6th gear are slipping. Tried calling (Casey the owner of the shop) wouldn't even return my phone calls. This trasmission had a 3 year 36,000 mile warranty and he is making excuses up why it's my fault saying my MAF sensor was pointed in the wrong direction wh... read more
knowledgeable shop, great work.
I'm a first time diesel owner of 06 Powerstroke so, They have done glow glugs and wire harness work on my truck and are getting ready to do the process of bulletproofing my motor.
We are on a family road trip from Minnesota to Glacier and beyond and our GMC Duramax kept blowing through fuel filters. We took it to a local dealership in Great Falls and they told us it needed new injectors and quoted us an outrageous price. Luckily, someone suggested my husband call Casey! Needless to say, he squeezed us in, gave my husband a ride to the campground, and fixed us up all for an unbelievably reasonable price. ( By the way, it didn’t actually need new injectors. �) He saved our vacation! We HIGHLY recommend ... read more
Thank you guys. These guys went above and beyond to help us out. We're from Monroe Washington and came out this morning to head home and found our water pump leaking. They fit us in and got us on our way home. Thanks very much.
Dooley's Diabolical Diesel has a 4.6 star rating with 102 reviews.
Dooley's Diabolical Diesel is closed now. It will open at 8:00 a.m.
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