Types of Transmission Repair We Do in Phoenix, AZ
Automatic Transmission Repair
Automatic transmissions are the most common type on the road, and also the most complex to diagnose correctly. Issues typically trace back to hydraulic pressure problems, worn solenoids, a failing torque converter, or degraded transmission fluid — especially in Arizona’s summer heat, which accelerates fluid breakdown. We repair what can be repaired and rebuild what needs it, and every rebuilt or repaired automatic transmission is backed by our 3-year/36,000-mile warranty*.
Manual Transmission & Clutch Repair
Manual transmission problems usually show up as grinding gears, a slipping or sticking clutch, or difficulty finding a gear. We repair and rebuild manual transmissions and clutch assemblies for trucks, SUVs, and cars, with all manual transmission and clutch work covered under a 12-month/12,000-mile warranty*.
CVT (Continuously Variable Transmission) Repair
CVTs don’t use traditional gears, which means they fail differently than a standard automatic — usually through belt or pulley wear, overheating, or a failing variator. A CVT problem doesn’t always mean a full replacement. We diagnose the specific cause first, since a belt, pulley, fluid, or sensor issue is often repairable, while damage to the variator itself typically isn’t.
Dual-Clutch Transmission Repair
Dual-clutch transmissions combine elements of manual and automatic designs, using two separate clutches to pre-select gears for faster shifts. When something goes wrong, it’s usually the clutch packs, mechatronic unit, or software calibration. We diagnose and repair dual-clutch transmissions for the makes that use them, including many European and performance vehicles.
4×4 Transfer Cases & Differentials
If your vehicle has four-wheel or all-wheel drive, we also service the transfer case and differential — the components that route power to your front and rear axles. This is common work for Phoenix-area trucks and SUVs that see both highway miles and off-road or unpaved conditions. Learn more about transfer case repair → | Learn more about differential repair →
Vehicle Brands We Service
We repair and rebuild transmissions on virtually every make sold in the Phoenix Valley, from daily drivers to performance and luxury vehicles:
Acura · Audi · BMW · Buick · Cadillac · Chevrolet · Chrysler · Dodge · Ferrari · Ford · Genesis · GMC · Honda · Hyundai · Infiniti · Jaguar · Jeep · Kia · Lamborghini · Land Rover · Lexus · Lincoln · Maserati · Mazda · Mercedes-Benz · Mini · Mitsubishi · Nissan · Porsche · Ram · Subaru · Toyota · Volkswagen · Volvo — and more
Backed by the Longest Warranty in Arizona
Every automatic transmission we repair or rebuild is covered by a 3-year/36,000-mile warranty* — among the longest offered by any transmission shop in the state. Manual transmissions and clutch work carry a 12-month/12,000-mile warranty*. We also offer free towing (up to $100 value) and financing on major repairs.
*12 months or 12,000 miles on manual transmission & clutch.
Transmission FAQ’s
What types of transmissions does Pro-Tech Transmissions repair?
We repair and rebuild automatic, manual, CVT (continuously variable), and dual-clutch transmissions, along with 4×4 transfer cases and differentials. The shop services all makes and models, including domestic, import, and diesel truck transmissions, at its Phoenix location.
Can a CVT transmission be repaired, or does it always need to be replaced?
CVT transmissions can often be repaired rather than replaced, depending on whether the issue is with the belt, pulleys, fluid, or a sensor versus internal damage to the variator itself. Our team will diagnose the specific cause before recommending a repair or replacement.
Does Pro-Tech Transmissions work on foreign or import car transmissions?
Yes. Our services for transmissions are on vehicles of all makes and models, including foreign and import brands such as Toyota, Honda, BMW, and Lexus, in addition to domestic makes like Ford, Chevy, and Jeep.
What’s the difference between repairing an automatic and a manual transmission?
Automatic transmission repair typically involves hydraulic components, solenoids, and a torque converter, while manual transmission repair centers on the clutch, synchros, and gear linkages. We repair both, though manual transmission and clutch work is covered under a separate 12-month/12,000-mile warranty versus the 3-year/36,000-mile warranty on automatic transmission work.
Can Pro-Tech Transmissions service a diesel truck or 4×4 transmission?
Yes, we repair transmission and transfer cases on diesel trucks, 4x4s, and SUVs, including routine maintenance and full rebuilds for vehicles used for towing or off-road driving in the Phoenix area.
How do I know which type of transmission is in my car?
Most vehicles built after the early 2010s use either a traditional automatic, a CVT, or a dual-clutch automatic, and the type is listed in the owner’s manual or vehicle build sheet. Our team can also identify the transmission type during a free diagnostic if you’re not sure.



