Diesel Transmission Repair
Slipping gears, hard shifts, or fluid on the ground? We diagnose the real problem and service, repair, or rebuild your diesel transmission with quality parts.
Built for the demands of diesel
A diesel transmission takes serious abuse — towing, hauling, and stop-and-go all day. Our technicians understand those demands and use current diagnostic tools to find the fault fast, then fix it with quality OEM parts so the repair lasts.
Signs your transmission needs attention
- Slipping gears or difficulty shifting
- Grinding or whining noises
- Fluid leaks under the vehicle
- Transmission or check-engine warning light
- Falling fuel efficiency
What we do
- Diagnostics to pinpoint the actual issue — not guesswork
- Fluid and filter service
- Repairs and complete rebuilds
- Final testing under load before it leaves the shop
Warranty coverage is set with your service advisor at the time of service.
Why Modern Diesel
Don’t let a small shift issue turn into a major failure. We’re a Christian, veteran-owned shop serving the Greater Austin Area (Travis, Bastrop, Williamson, Hays), with honest recommendations and transparent service. Call to get on the schedule.
Ready when you are.
Drop by the shop at 2900 N FM 973, Austin, TX 78725 or call and we’ll get you scheduled.