Automatic transmissions
Diagnosis, fluid service, valve-body work, and complete rebuilds for modern automatics across all makes and models.
Transmission Specialists in Denton, TX · Since 1995
Slipping, shuddering, or stuck in limp mode? Eagle has rebuilt and repaired transmissions for Denton drivers since 1995 — automatic, manual, CVT, diesel and Allison, foreign and domestic. ASE-certified, ATRA member, with free local towing up to 40 miles on major transmission repairs.
Know the Signs
A transmission warns you before it fails. Here's what the common signs mean — and how urgently to act.
The engine revs but the vehicle hesitates or surges before it catches — often worn clutches or low fluid.
A pause before it goes into gear, or a hard clunk when it does — it isn't engaging cleanly.
A shake at light throttle is often a failing torque converter or contaminated fluid.
Bright red or brown spots mean a leak. Driving on low fluid lets the unit overheat fast.
A transmission fault code, or the vehicle locked into one low gear, needs a real scan.
A hot, acrid smell usually means overheated fluid breaking down. Pull over and call.
Not sure what you're dealing with? An honest diagnosis tells you what's really going on — no upsell, written estimate first.
Why a Specialist
Plenty of shops will swap parts until something works. A transmission is far too expensive for trial and error. Eagle has specialized in transmissions since 1995 — ASE-certified, ATRA member, with over 50 years of combined experience and rebuilds done in-house, right here in Denton.
What We Work On
Cars, trucks, and RVs — gas and diesel. If it shifts gears, we repair, service, or rebuild it.
Diagnosis, fluid service, valve-body work, and complete rebuilds for modern automatics across all makes and models.
Clutch replacement, hard-shift and grinding fixes, and full manual gearbox rebuilds.
Specialized service and repair for continuously variable transmissions — where a lot of general shops won't go.
Heavy-duty diesel and Allison transmission repair built for work trucks, fleets, and RVs.
Domestic, Asian, and European — we work on the makes and models Denton drives every day.
When a repair won't do, we rebuild to factory spec with quality parts and back it with a solid warranty.
Down to the Component
Most transmission trouble comes down to one component. Because we rebuild in-house and diagnose at the part level, we repair what's actually wrong instead of selling you a unit you don't need.
Shudder, stall, and lock-up problems traced and repaired at the source.
Erratic or harsh shifting fixed by the part causing it — not by guesswork.
Whine, leaks, and 4WD/AWD power-delivery problems repaired and rebuilt.
Driveshafts, CV components, and the connections that put your power to the ground.
How a Rebuild Works
No mystery and no pressure. You know exactly what's happening at every step.
We scan the codes and inspect the unit to find the true cause — then explain it in plain English.
You get a clear, honest quote and a timeline before we touch a bolt. No surprise add-ons.
The transmission is torn down, worn parts replaced, and rebuilt to factory spec by ASE-certified techs.
Every rebuild is road-tested before you get your keys — and backed by a solid warranty.
Repair, Rebuild, or Replace?
Not every transmission needs a full rebuild. Here's how the three paths compare — and we'll always recommend the one that's right for your vehicle, not the priciest.
| Repair Fix the failing part | Most common Rebuild Restore to factory spec | Replace New or remanufactured unit | |
|---|---|---|---|
| Best when | One component has failed | Wear or high miles, the core is good | The case or core is damaged |
| Relative cost | $ — lowest | $$ — mid-range | $$$ — highest |
| Time in shop | Often same-day to a day | A few business days | Depends on parts availability |
| How long it lasts | Fixes the immediate issue | Like-new, warranty-backed | Like-new, warranty-backed |
| Warranty | On the repair | Yes — solid warranty | Yes — solid warranty |
Costs vary by vehicle and failure — we diagnose first and give you a written estimate before any work begins.
Our Promise
A transmission job is a real investment. Here's how we take the worry out of it.
On any major transmission repair — we'll help get your vehicle to the shop.
Every rebuild carries a solid warranty, and we honor eligible extended warranties.
An honest diagnosis and a clear quote before any work starts. No surprises.
On approved credit through third-party lenders — so a big repair doesn't have to wait.
Customers tell us the same things again and again: honest diagnostics, fair pricing, and warranty work that's actually honored — on everything from daily drivers to diesel trucks and RVs.
What We Service
From a daily commuter to a diesel work truck or a motorhome, if it has a transmission, we can help.
Good to Know
It depends on the failure. Often a single component — a torque converter, valve body, or solenoid — is the real problem, and a targeted repair costs far less than a full replacement. We diagnose first and tell you honestly which one you actually need.
It varies by vehicle and the type of failure, so we never quote blind. We diagnose the true cause and give you a clear written estimate before any work begins — no surprise charges.
Most rebuilds take a few business days once we've diagnosed the unit and you've approved the estimate. We give you a realistic timeline up front and keep you posted along the way.
Yes. We repair and rebuild heavy-duty diesel and Allison transmissions for work trucks, fleets, and RVs, alongside everyday automatics, manuals, and CVTs.
Yes — we provide free local towing up to 40 miles with a major transmission repair. Call us and we'll help get your vehicle to the shop.
We stand behind every rebuild with a solid warranty and honor eligible extended warranties. Each repair is road-tested before it leaves the shop.
Yes. We offer 6-month promotional financing on approved credit through third-party lenders, so a big repair doesn't have to wait.
Denton, TX · Since 1995
Call now or request a free estimate — honest diagnostics, fair pricing, and warranty-backed rebuilds from the shop Denton has trusted since 1995.