FAQ Straight answers.

Yes. Jonathan’s Fleet Service is available 24 hours a day, 7 days a week — nights, weekends and holidays. For a breakdown, call 210-765-2933 any time.

We provide mobile service across South Texas — highways, truck yards, ranches, oilfield locations and job sites. If you’re not sure we can reach you, call and ask.

Our focus is diesel trucks: semi trucks, work trucks, trailers and fleet vehicles. We also help drivers of pickups and passenger vehicles — call and tell us what you’re driving.

Many common repairs can be done right where the truck is sitting — tire changes, batteries, starters, alternators, U-joints, wheel seals, water pumps, forced regens and more. If a repair can’t be done safely on site, we’ll tell you straight and help you plan the next step.

Where the truck is (highway and mile marker, nearest exit, address or a dropped pin), the year, make and model, and what it’s doing — warning lights, codes, noises and when it started. That helps us bring the right parts the first time.

Yes. We perform federal annual DOT inspections and pre-purchase inspections, and we can come to your yard to do them. See DOT inspections.

Yes. Whether you run one truck or an entire fleet, we provide on-site maintenance and repair to keep downtime low. We also work as a subcontracted fleet mechanic — rates are set case by case. See fleet maintenance.

It depends on the job. Call and describe the problem and we’ll talk through it with you and give you a price for the work before we start.

Yes. We provide pilot/escort vehicle services for oversized loads across Texas and beyond. See pilot & escort services.