JBar Diesel & Performance

JBar Diesel & Performance Family owned and operated diesel repair & performance shop. Located in Farmersville, Tx.

Drop off times available after hours/weekends🚨

•Owners: Keith Jones 972-571-0341 and
Cooper Jones 972-571-0340

Customer came in with a 2006 Dodge requesting we do a look over before he takes it to Minnesota on a trip. We charged hi...
06/03/2026

Customer came in with a 2006 Dodge requesting we do a look over before he takes it to Minnesota on a trip. We charged his A/C and did some regular maintenance to ensure his truck was road ready. This customer always makes sure to do the required regular maintenance to keep his truck running to its best performance. Note the mileage, you don’t get this kind of mileage out of one, unless you take care of them. Give us a call for all your Diesel Pickup needs. Call Keith 972-571-0341 or text Cooper at 972-571-0340 

Customer came in with a 2014 Dodge Ram 2500 stating he can hear a loud noise coming from the transmission. After further...
05/28/2026

Customer came in with a 2014 Dodge Ram 2500 stating he can hear a loud noise coming from the transmission. After further inspection we found a broken flywheel and it was rubbing up against the transmission adapter plate. We are ordering the parts to get this customer fixed up and back on the road. Give us a call for all your Diesel Pickup needs. Call Keith at 972-571-0341 or text Cooper at 972-571-0340.

One of our most loyal Customers came in with his super clean 2015 Duramax stating his A/C wasn’t cooling. We found the s...
05/26/2026

One of our most loyal Customers came in with his super clean 2015 Duramax stating his A/C wasn’t cooling. We found the schrader valve to be bad. We replaced the valve and got this young man back on the road. With summer coming, I’m more than certain he left happier than when he dropped it off! Give us a call for all your Diesel Pickup needs. Call Keith at 972-571-0341 or text Cooper at 972-571-0340. 

Customer came in with a 2017 F250 With a list of concerns. We addressed his concerns and got him back on the road. Repla...
05/20/2026

Customer came in with a 2017 F250 With a list of concerns. We addressed his concerns and got him back on the road. Replaced both front wheel bearings, a couple injector seals and a pinion seal. We put an updated CCV box on the truck as well. Also replaced 4 KYB shocks. Give us a call for all your Diesel Pickup needs. Call Keith at 972-571-0341 or text Cooper at 972-571-0340. 

Customer came in with a 2003 F350 stating truck had low power. We found that the turbo was pumping oil and in turn stopp...
05/19/2026

Customer came in with a 2003 F350 stating truck had low power. We found that the turbo was pumping oil and in turn stopped up the exhaust. We replaced turbo and got this customer back on the road. Give us a call for all your Diesel Pickup needs. Call Keith 972-571-0341 or text Cooper at 972-571-0340. 

Customer came in with a 2018 Dodge 3500 stating the truck is leaking oil horribly. The truck had a broken motor mount wh...
05/18/2026

Customer came in with a 2018 Dodge 3500 stating the truck is leaking oil horribly. The truck had a broken motor mount which rubbed a hole in the oil pan. We replaced the motor mount and the oil pan and got this customer back on the road! Give us a call for all your Diesel Pickup needs call Keith  972-571-0341 or text Cooper at 972-571-0340

Customer came in with a 2020 Dodge Ram 3500 stating truck was going into limp mode and wouldn’t shift out of 4th gear. C...
05/14/2026

Customer came in with a 2020 Dodge Ram 3500 stating truck was going into limp mode and wouldn’t shift out of 4th gear. Customer had us replace the transmission with a RevMax transmission and had us install a Mishimoto transmission cooler while we were in there. We also retuned the truck for the transmission. Customer will be happy to have this one back up and running at its top performance. Give us a call for all your Diesel Pickup needs call Keith 972-571-0341 or text Cooper at 972-571-0340. 

05/13/2026

Lack of maintenance led this customer to be in need of a new engine. Not a good day for him, unfortunately!! Give us a call for all your Diesel Pickup needs. Call Keith at 972-571-0341 or text Cooper at 972-571-0340. 

Customer came in with 2015 F250 stating the truck was running terrible. We found the injectors all needed replaced. We g...
05/12/2026

Customer came in with 2015 F250 stating the truck was running terrible. We found the injectors all needed replaced. We got this man fixed up and back on the road. Give us a call for all your Diesel Pickup needs. Call Keith at 972-571-0341 or text Cooper at 972-571-0340. 

Newsflash! If you are driving a newer emissions equipped truck, this is why you DO NOT let them idol.
05/11/2026

Newsflash! If you are driving a newer emissions equipped truck, this is why you DO NOT let them idol.

Address

5521 FM 547
Farmersville, TX
75442

Opening Hours

Monday 8am - 6pm
Tuesday 8am - 6pm
Wednesday 8am - 6pm
Thursday 8am - 6pm
Friday 8am - 6pm

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