Struggling with gear slipping, hard shifting, or clutch problems? At Fagan Fleet Services, we handle everything from transmission diagnostics to full clutch replacements for trucks, trailers, buses, and fleets.

Transmission Repair in Pasco, WA
We specialize in diagnosing and repairing heavy-duty transmission and clutch systems. Whether it’s an automatic, manual, or automated manual transmission (AMT), our technicians have the tools and expertise to handle it.
Common transmission and clutch repairs include:
- Semi truck transmission repair
- Manual and automatic clutch replacement
- Transmission fluid change and flush
- Gearbox diagnostics and repair
- Transmission rebuilds and overhauls
If you're noticing delayed shifts, odd grinding sounds, or trouble getting into gear, it's time for a transmission inspection. We’ll check for worn gears, low fluid levels, overheating, and issues with the torque converter or ECU. For manual systems, we inspect clutches for wear, hydraulic pressure issues, and improper engagement.
Mobile Repairs and Services
As a mobile-first company, we handle most repairs and maintenance directly at your location, saving you the time, cost, and hassle of transporting equipment. Whether it’s your truck, trailer, bus, or fleet, our mobile technicians are equipped to perform a wide range of services on-site, keeping your vehicles where you need them most.
For larger jobs that require specialized equipment, we also operate a fully equipped shop to support our mobile work. No matter the size or complexity of the repair, we have the resources to handle it. From routine preventive maintenance to in-depth structural repairs, you can count on us for dependable, professional service every time.
What Makes Us Different
Transmission issues can cripple your operation. That’s why our shop is set up for fast turnarounds and accurate diagnostics. We offer complete transmission and clutch repairs for Class 7–8 trucks, trailers, buses, and full fleets.
- Full-service transmission shop for heavy-duty vehicles
- Clutch replacements and adjustments for both manual and AMT systems
- Upfront timelines, transparent pricing, and fast scheduling
Need support in the field? Our mobile team can handle fluid checks, diagnostics, and minor transmission issues on-site. For emergencies, our 24/7 roadside service can assist if your truck breaks down due to transmission or clutch failure.
Schedule Your Transmission Repair Now: Call 541-310-0257!
If your truck is having trouble shifting or showing signs of clutch wear, call Fagan Fleet Services at 541-310-0257. Let us handle your truck transmission repair so you can get back on the road with confidence.
FAQs
What Areas Do You Serve?
We are based at 35006 E Red Mountain Rd, Benton City, WA 99320, near the Tri-Cities area. We also proudly serve SE Washington and NE Oregon — including the Basin, Walla Walla, and Yakima Valley.
How Do I Know If My Transmission Is Going Out?
Symptoms include slipping gears, rough shifting, delayed engagement, and fluid leaks. You may also notice a burning smell or warning lights. If your truck shows any of these signs, it's time for a transmission check before the issue gets worse.
Can You Drive a Truck With a Bad Clutch?
Driving with a failing clutch risks serious damage to the transmission and driveline. Signs include difficulty shifting, high RPMs with low acceleration, and a burning smell. It's best to address these symptoms early to avoid major repairs.
How Can I Get in Touch?
Call us at 541-310-0257 to schedule your service. Whether it’s your clutch, gearbox, or complete transmission system, Fagan Fleet Services is ready to help with fast, professional repair.
Repairs That Keep You Moving
We repair all major truck systems—transmissions, brakes, engines, suspension, axles, electrical, and more. Our technicians service semis, trailers, buses, and fleet vehicles with precision and speed, using top-quality parts and advanced diagnostic tools to ensure long-lasting results.