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Vol Radiator Service
“I wasn't in the area long enough to get the repair done, but they looked at my radiator and gave me assurance that it should not be an issue that had to be addressed before the end of my trip.”
Best Truck Repair in Knoxville, TN
24 mechanics listed · all 24 in Knoxville · 1 open 24/7 · 7 open weekends · 15 rated 4.5+
Data verified October 16, 2026
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One Touch Auto Repair
- Diagnostic
- Engine Light
- van
“I spoke with the owner about it and after a short conversation he figured out the problem saving me hundreds of dollars if I had started replacing the A/C components.”
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Best-One Tire
“Had a slow leak in a rear tire, took it in, and he said it would take less than an hour, too fix, and took 45 minutes, and I was out the door with my tire fixed ...”
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SH Mobile Truck Repair
- Trailer
- Efficient
- Water Pump
“Quick to respond in the evening, in a winter storm nonetheless, when every other shop was closed or was not willing to go out on a road call at the time and had us running in less than an hour.”
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East Tennessee Truck & Trailer Repair
- People
- Diagnosis
- Mechanic
“These guys went out and rescued my driver on a Friday in the late PM hours and got him up and running again with a very fair price on a super size tire for my semi.”
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Jiffy Lube Multicare Cedar Bluff
“Shoutout for changing the sign out front from "he who is without oil shall throw the first rod" to "(s)he who is without oil shall throw the first rod"”
Listed for drivers in and around Knoxville, TN, these 24 shops work on medium and heavy duty trucks. What each one says about fleet accounts, road service, inspections and hours comes from its own website; ratings and quotes come from public reviews.
Area overview: Knoxville, TN
All 24 mechanics we list here are in Knoxville itself. We have 34 mechanics in Knoxville on file; this page shows the highest-rated 24. The mechanics on this page are rated from 4.0 to 5.0 across 1,756 reviews; 11 have 50 or more reviews and 15 are rated 4.5 or higher. When customers rate these mechanics on specific qualities, they most often praise professionalism (90%), punctuality (73%) and quality (73%). The topics that come up most in reviews of the mechanics on this page are "price", "communication" and "diagnosis". 1 is open around the clock; 7 are open on Saturdays and 2 on Sundays. 3 list staff certifications (ASE and TIA) and 2 have a BBB rating of A or A+. 12 have ten or more years of experience, the longest 43 years. 1 offers emergency or roadside call-outs; 2 offer financing; 2 are family- or locally-owned and 2 list coupons or special offers. We have a website on file for 13 of the mechanics on this page; 9 publish a contact page; 7 list a public email and 1 takes bookings online. We count these figures across the mechanics on this page; hours and prices change, so confirm the details with the mechanic before you visit.
Which truck shops listed for Knoxville work on Saturdays or Sundays?
7 of the 24 shops on this page run a weekend shift. Weekend slots are how a lot of fleets get preventive maintenance done without losing a working day, so they book out early. Parts counters keep shorter hours, which is the usual reason a Saturday job waits until Monday.
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TNT Heavy Truck AND Trailer Repair . 24hr Mobile
- Towed
- Snow
- Arm
“I really appreciate these guys getting me in on a holiday weekend I thought I was going to have motel expenses on top of tow and repairs, but they got me in and running in good time.”
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John Story Truck and Equipment
“Over 15 years of doing business with John & well over 100 transmissions + countless motors purchased; never done me wrong & never had an issue, if a part was bad (because it IS a salvage yard, not Walmart) he, his foreman or wife are there to get it ...”
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Fleet Services
- Technicians
- Brakes
- Phone
“Called around and found fleet services and was able to get Trent out to diagnosis the problem and he was able to me back on the road with minimal down time”
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Smoky Mountain Diesel Performance
- Fee
- Communication
- Pricing
“Now I have the peace of mind, that my 2013 Chevy Silverado will not have the catastrophic fuel system issues that GM is presently involved in a class action law suit for.”
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Auto Dynamics
- Vehicle
- Job
“My family and I have trusted Charlie with our cars for years and he's always done great work at a fair price.”
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Broadway Automotive
- Charge
- Work Done
- Question
“Took in my toyota matrix to swap some lug nuts and investigate a suspension clank—they had it done and picked me up from my house within a few hours.”
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Acts Fleet Maintenance Service
- Vehicle
- Communication
- Attention
“Chris at the west knoxville location really does a good job communicating about my trucks.”
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Autow Nationalease
“An awesome place to get your truck and trailer worked on”
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Certified Diesel Solutions
“I took my 33' Tiffin Allegro Open Road to Scott and crew and they were able to install a brand new back-up camera system.”
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Brooks Automotive
- Vehicle
- Truck
- Price
“He is very knowledgeable when it comes what's wrong with your vehicle and the place is very neat and clean and he works hard to get you back on the road.”
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T & T Fleet Services
- Mechanic
- Vehicle
- Team
“We stopped bringing our trucks to the dealer because we were sick and tired of them "fixing" our trucks for a few thousand just to bring it back the following week...”
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Knoxville Spring Services
“Was sent there by tyre shop, had front end issues, Lawrence took a quick look at kingpins, measured axle, told me to check on alignment on diffrent place to make sure it was done properly.”
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Mannis Truck Repair Inc
- Knowledge
“They replaced my air compressor, radiator (which had been leaking for about a week), swapped out an air line, power steering line and some coolant lines that were old and worn out.”
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LA Familia Mechanic Shop
- Price
“I definitely would recommend if you are looking for an honest group of mechanics and have had tough luck with "Price Gougerz" hiking up their price because you are not "Mechanically Inclined Nor Part Savy".”
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Rhodes Truck Services
“Nice folks, excellent service and reasonable rates.”
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Amherst Automotive Services
- Diagnosed
- Money
- Dealership
“I brought my first vehicle to the dealership that couldn't solve the issue because they didn't have the correct diagnostic equipment to tell me what was exactly wrong but yet stilled billed be for the trouble.”
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NRC & Automotive
- Mechanic
- Price
- Future
“I've been looking for a good mechanic ever since I moved to Knoxville/Maryville in 2018 and am used to mom and pop shops, so this place was a great find.”
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Nagi Auto Repair
“I will definitely keep doing business with them.”
Heavy Duty Truck Repair Services in Knoxville, TN Cost Estimates
Minimum cost
$352
Maximum cost
$4244
National Average
$535
Avg Per Hour Rates
$134
$401
$792
Typical price range is based on 401 cost profiles
Why these companies made our list
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