Short Mountain Diesel

Short Mountain Diesel Short Mountain Diesel is a mechanic shop in Smithville TN specializing in performance & maintenance. Now offering tint services!!!

Locally owned and operated in Smithville by Abigail & Cody Johnson.

Hey everyone!!We are officially in the process of moving. Phones and internet are getting set up , so communication may ...
09/09/2026

Hey everyone!!

We are officially in the process of moving. Phones and internet are getting set up , so communication may be a bit hairy today.

Hang in there with us, leave messages or contact us here on Facebook and we’ll be back in touch asap!!

Guys are still working in the background so we’ll have several vehicles ready to pickup this week, but we’ll be able to hit the ground running first thing Monday in the new location

📍 4773 McMinnville Hwy, Smithville, TN 37166

08/28/2026

Quit blowing holes in my shop!

08/18/2026

Future parking lot menace

08/13/2026

Nothing like the wind in your hair 🙂‍↔️

07/29/2026

There’s a select few special customers we’ll venture out of the usual for. This will definitely NOT be the norm, but was a pretty fun little build to wrap up for some of our favorites.

Volkswagen GTI MK8 with a stage 2 build
- upgraded intercooler
- high flow cats
- upgraded intake
- custom programming to add about ~120 hp

New transmission along with a DCR conversion and disaster kit to get this one back on the road 🤌🏼
07/28/2026

New transmission along with a DCR conversion and disaster kit to get this one back on the road 🤌🏼

07/13/2026

Overhaul on this one. He wanted a work truck that would perform and be built to last, and sit right doing it.
✅ Titan Turbo 9-blade
✅ DCR Conversion
✅ Welded crank
✅ ProPower Intercooler Piping Kit
✅ Full recalibration
✅ Kryptonite leveling springs
✅ Full service and she’s been burning up the roads since.

07/02/2026

Appreciate the review! Glad we could help out!

Sometimes I wouldn’t believe this stuff unless I saw it with my own eyes. But in the last couple months, 2 separate Dura...
06/10/2026

Sometimes I wouldn’t believe this stuff unless I saw it with my own eyes. But in the last couple months, 2 separate Duramaxes- an LB7 and an L5P, both had super random intermittent power losses. No codes, no incorrect data, nothing. You know what they BOTH turned out to be?

A fly burned onto the MAF/MAP sensors. The mental gymastics they went through to find this 🤣🤣 that little brownish spot in the middle of the sensor would be the culprit 🪰

B&W gooseneck install on this nice new ford before we head out for the weekend. These short weeks have a way of wearing ...
05/29/2026

B&W gooseneck install on this nice new ford before we head out for the weekend. These short weeks have a way of wearing us out more than the long ones 🤣

Everyone have a great weekend and we’ll see you Monday!

Address

3205 Nashville Highway
Smithville, TN
37166

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

Telephone

+16154540999

Website

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