Jeep Transmission Specialists · Denton, TX · Since 1995
A Wrangler stuck in limp mode, a Grand Cherokee that slams into gear, a Cherokee that shudders and hunts between shifts — we've seen it, and we've fixed it. Eagle has repaired and rebuilt Jeep transmissions in Denton since 1995: ASE-certified techs, ATRA member, free local towing up to 40 miles on major transmission repair, and a written estimate in your hands before any work begins.
Prefer to talk now? Call (940) 514-8690
Rebuilding gearboxes is what this shop was founded on — the dealer alternative for Jeep drivetrain work.
Certified technicians and ATRA membership standards behind every rebuild.
Three decades of Denton drivers, trucks, and 4x4s on the record.
A Jeep that won't drive still gets here — free with major transmission repair.
Snap and Synchrony options, so the right fix doesn't have to wait.
Know the Signs
These are the complaints that bring Jeeps through our door most often. Notice one? Catching it early is almost always the cheaper path.
Chrysler-family transmissions protect themselves by locking into a single gear when the computer sees a fault. It'll drive — barely — and it's telling you to get scanned now.
A clunk into gear, a hard 2–3 shift, or a long pause before reverse engages usually points to solenoid, valve-body, or clutch wear.
A rumble-strip vibration under light throttle is the classic torque-converter shudder — and it gets worse under load, like towing.
Constant up-down shifting that never settles is a common nine-speed complaint on Cherokees and Compasses — sometimes software, sometimes wear.
Transmission fluid on the driveway means a leak — and running low is the fastest way to turn a small repair into a full rebuild.
Powertrain codes in the P0700 range point at the transmission. A proper scan tells us where to look before anything comes apart.
Not sure how serious it is? Describe the symptom when you call — after thirty years of Jeeps, we can usually tell you over the phone whether it's safe to drive in.
Look It Up
The most common factory pairings we see in the shop. Year ranges are typical, not absolute — engine and trim change the answer, so we confirm against your VIN before ordering parts.
| Your Jeep | Typical years | Transmission | What we commonly see |
|---|---|---|---|
| Wrangler JK (3.8L) | 2007–2011 | 42RLE 4-speed | Solenoid pack faults, hard 2–3 shift, limp-in mode |
| Wrangler JK (3.6L) | 2012–2018 | W5A580 / NAG1 5-speed | Conductor-plate and sensor faults in the valve body → limp mode |
| Wrangler JL & Gladiator | 2018–present | 850RE 8-speed | Low-speed clunk or harshness — often fluid- and software-sensitive |
| Grand Cherokee | 2005–2013 | 545RFE / 65RFE · W5A580 | Solenoid and valve-body wear, torque-converter shudder |
| Grand Cherokee | 2014–present | ZF-based 845RE / 8HP70 | Rough or clunky shifts — software and fluid checked before hard parts |
| Cherokee KL & Renegade | 2014–2023 | 948TE 9-speed | Harsh, indecisive shifting; TCM updates and adaptation relearn first |
| Compass & Patriot | 2007–2017 | Jatco CVT | Overheat warnings and whine under load — a repair-vs-replace decision |
| Liberty & classic Jeeps | 1990s–2012 | 42RLE · A518 · AX-15 / NSG370 | Age-related wear and leaks — rebuilds still practical while parts exist |
Don't see yours, or not sure? The build sheet or a VIN check settles it in a minute — call and we'll look it up with you.
The 9-Speed Story
Cherokee, Renegade, and Compass owners know the nine-speed's reputation: harsh downshifts, hunting between gears, a clunk that comes and goes. Industry-wide, the fix for many of those complaints starts in the computer — updated shift calibration and a proper adaptation relearn — not a teardown. So that's where our diagnosis starts.
Rebuild vs. Replace
There's no single right answer for every Jeep. Mileage, model, budget, and how you use it all weigh in. Here's the menu, straight.
A salvage-yard unit
A crate unit
Our bench, your transmission
Whichever path fits, the numbers land in a written estimate before any work starts — and financing options are on the table if you want them.
What to Expect
The same process for every Jeep — whether the answer turns out to be a software update or a full rebuild.
Free local towing up to 40 miles comes with major transmission repair. Call first and we'll arrange it.
Codes, live shift data, fluid condition, and a road test when it's safe — we chase the actual fault, not the first guess.
You see what's wrong, what it costs, and the options — software fix, repair, or rebuild — before we turn a wrench.
Rebuilds happen on our own bench, with updated parts where the factory design fell short. Your Jeep keeps its original, renewed unit.
Modern Jeeps need an adaptation relearn after transmission work. We finish with a road test and back the job with our warranty.
Not Sure It's the Transmission?
Four-wheel-drive noise travels. Here's where to go when the symptom doesn't quite fit — or the repair bill needs a plan.
On a 4x4, a rear-end whine or a clunk in turns is often the differential, not the gearbox. We rebuild those too — and we can tell the two apart.
Differential RepairAutomatics, manuals, transfer cases, torque converters — the full drivetrain picture, for every make we service, lives on our main transmission page.
Transmission Repair & RebuildIf the check-engine light is on but the Jeep still drives fine, start with a proper scan — the code points to transmission, engine, or sensor.
Check Engine DiagnosticsA rebuild is a real investment. Snap and Synchrony financing can turn it into payments — on approved credit, arranged before work starts.
Financing OptionsRisk, Removed
Here's what stands behind the work.
On major transmission repair — a Wrangler that won't move still makes it to the shop.
We stand behind our work and honor eligible extended warranties.
Diagnosis, options, and numbers on paper before any work starts.
Snap and Synchrony options on approved credit, arranged before the job begins.
Since 1995 this shop has built its name on telling drivers the truth about transmissions. Reviewers mention diagnostics that found the real problem, warranties that were actually honored, free towing that showed up, and trucks and 4x4s fixed right. Read what North Texas drivers say before you decide.
Good to Know
It depends on which transmission your Jeep has, what failed inside it, and whether a repair short of a rebuild will genuinely hold. Industry-wide, a full rebuild commonly runs into the thousands — which is exactly why we diagnose first and put exact numbers in a written estimate before any work begins. Financing through Snap and Synchrony is available on approved credit.
Not necessarily. Rough-shift complaints on the 948TE nine-speed are well known across the industry, and many are resolved with updated transmission-control software and an adaptation relearn rather than a teardown. We test for that first; a rebuild only gets quoted when the fluid and internal evidence call for it.
It's the transmission protecting itself: when the computer detects a fault, it locks into a single gear so you can limp home or to a shop. Don't drive it that way for long — get it scanned soon, and if it isn't driveable, free local towing up to 40 miles comes with major transmission repair.
Yes — manuals, clutches, and automatics alike. That includes the AX-15 and NSG370 manuals found in Wranglers as well as the 42RLE, W5A580, and 850RE automatics.
Sometimes that's the pragmatic call, and we'll say so. The trade-off: a used unit carries the donor vehicle's unknown wear and usually little or no warranty, while a rebuild renews the unit you already have and is backed by ours. We put both numbers in writing and let you choose.
Bring it in. Lifts, oversized tires, and regears change how the drivetrain loads the transmission, and modified rigs come through our bays regularly. If the driveline or differentials need attention while it's here, that work happens under the same roof.
Denton, TX · Since 1995
Call now or send the symptom through the quote form — diagnosis first, a written estimate before any work, and free 40-mile towing on major transmission repair. Serving Denton, Lewisville, Flower Mound, and all of North Texas.