Truck Transmission Repair - Kansas City, KS

Transmission Repair for Trucks – Kansas City Metro Service

Your truck’s transmission is responsible for efficiently and safely transferring engine power to the drivetrain.


When shifting becomes rough, delayed, or unpredictable, productivity and safety are immediately at risk.


Champion FleetCare provides professional truck transmission repair in Lenexa, KS, supporting diesel and gas commercial trucks throughout the Kansas City metro area. 


We offer both in-shop and mobile service options to reduce downtime and restore dependable performance quickly.


Conveniently located at 13904 W 108th St, Lenexa, KS 66215, our technicians handle everything from diagnostics to full transmission rebuilds.

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5+

Years of Experience

Transmission Issues That Shouldn’t Be Ignored

Slipping Gears

If your truck unexpectedly changes gears or struggles to stay engaged, internal clutch packs, bands, or hydraulic pressure problems may be the cause.

Delayed or Hard Shifting

Rough shifting, gear-hesitation, or harsh engagement often signals valve-body problems, worn components, or low transmission fluid levels.

Grinding or Unusual Noises

Grinding, whining, or clunking sounds while shifting may indicate gear damage, bearing wear, or internal mechanical failure.

Transmission Fluid Leaks

Red, dark, or burnt-smelling fluid under your truck can point to leaking seals, gaskets, or cooler lines that require immediate repair.

Burning Smell

Overheated or degraded transmission fluid produces a burnt odor and may lead to premature component failure.

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Transmission Repair & Services for Trucks

We provide complete transmission services for light-, medium-, and heavy-duty commercial trucks.


We service manual, automatic, and automated manual transmissions (AMTs), including fleet-focused diagnostics for shift actuators and control modules.

Transmission Diagnostics & Inspection  

Using advanced diagnostic tools, we evaluate fluid condition, scan for fault codes, test line pressure, and inspect drivetrain components.

Automatic Transmission Repair  

We service torque converters, valve bodies, clutch packs, solenoids, and internal components to restore smooth automatic shifting.

Manual Transmission & Clutch Repair  

From clutch replacement and pressure plate service to gear synchronizer repair, we keep manual transmissions operating reliably.

Transmission Rebuilds  

For severe internal damage, we perform complete transmission rebuilds using quality components built to meet manufacturer specifications.

Transmission Fluid Service  

Regular fluid changes and filter replacement help extend transmission lifespan and prevent overheating under heavy loads.

Drivetrain & Related Component Inspection  

We inspect U-joints, driveshafts, mounts, and differentials to ensure full power transfer and prevent recurring transmission issues.

Our goal is to restore performance while protecting long-term reliability.

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Why Choose Champion FleetCare of Kansas City?

Transmission repairs require precision, experience, and accurate diagnostics. Our team focuses on getting the repair right the first time.


Fleet operators choose Champion FleetCare because we offer:

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Experienced commercial truck transmission specialists

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Mobile and in-shop repair flexibility

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Advanced diagnostic equipment

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Fast turnaround to minimize downtime

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Service for diesel and gas trucks

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Clear estimates and honest recommendations

We understand that downtime impacts revenue. Our team works efficiently to get your truck back on the road safely.

We Support Fleets and Drivers Across the Kansas City Area

Champion FleetCare proudly provides truck transmission repair in Lenexa, KS, and throughout the Kansas City metro area.


We support:

  • Owner-operators
  • Delivery and logistics fleets
  • Construction and utility trucks
  • Box trucks and straight trucks
  • Regional and long-haul tractors

Schedule a Truck Transmission Repair with Our Team

If your truck is slipping gears, leaking transmission fluid, or struggling to shift properly, don’t wait for a complete failure.


Call (913) 498-9999 to schedule service or visit us at 13904 W 108th St, Lenexa, KS 66215.


Champion FleetCare is ready to restore your transmission performance and keep your fleet operating reliably.

Frequently Asked Questions

  • How much does truck transmission repair cost?

    Truck transmission repair costs depend on the issue, truck type, and whether the repair requires component replacement or a full rebuild. Minor repairs, such as solenoid or fluid service, are significantly less expensive than complete transmission rebuilds. A professional diagnostic inspection determines the most cost-effective repair solution for your commercial truck.


  • Is it better to rebuild or replace a truck transmission?

    In many cases, rebuilding a transmission is more cost-effective than full replacement, especially for commercial trucks. A rebuild restores worn internal components while keeping the original housing. However, severe structural damage may require replacement. A thorough inspection will determine whether a rebuild or replacement provides the best long-term reliability.


  • Can I drive my truck with transmission problems?

    Driving with transmission issues is not recommended. Slipping gears, low fluid, or internal damage can worsen quickly and lead to complete failure. Continuing to operate the truck may also damage related drivetrain components such as the driveshaft or differential. An immediate inspection helps minimize downtime and prevent more expensive repairs.


  • How often should transmission fluid be changed on a commercial truck?

    Transmission fluid service intervals depend on truck type and workload, but many commercial trucks require fluid and filter changes between 30,000 and 60,000 miles. Trucks operating under heavy loads or stop-and-go conditions may require more frequent service. Regular fluid maintenance helps prevent overheating and extends the transmission's lifespan.