SHIFTLINETransmission & Diagnostics

Independent Ford specialist · Dallas–Fort Worth

Your Ford.
Our focus.

Transmission expertise, precise diagnostics, and capable repairs for your daily drive, work truck, and next build.

Ford service & performance · By appointment

Late-model Ford F-150 pickup
F-150Everyday & work
Late-model Ford F-250 Super Duty pickup
Super DutyHeavy-duty capability
Late-model Ford Mustang coupe
MustangStreet & performance
Late-model Ford Ranger pickup
RangerMidsize trucks
Late-model Ford Escape SUV
EscapeDaily drivers
Late-model Ford Transit van
TransitWork & fleet
Late-model Ford Expedition SUV
ExpeditionFamily & towing
Ford diagnostic softwareClear estimates before repairPost-repair verification

Ford service, with a specialty

Built on transmission expertise.
Ready for more.

From a shift concern to an engine replacement or planned upgrade, we evaluate the vehicle, explain the work, and put together a clear estimate.

01

Transmission service & repair

Ford automatic transmission diagnostics, maintenance, repairs, overhauls, replacements, and performance builds.

  • Harsh shifts, slipping, shudder, and delayed engagement
  • Valve-body, torque-converter, and internal repairs
  • Programming, adaptive procedures, and verification as required
02

Diagnostics & electrical

Testing that connects what you feel behind the wheel to what’s happening in the vehicle.

  • Warning lights, fault codes, and drivability concerns
  • Electrical and circuit testing
  • Ford diagnostic software and vehicle-specific procedures
03

Engine & mechanical work

General Ford maintenance and mechanical repairs, including major work planned around your vehicle’s needs.

  • Engine replacements and swaps
  • Mechanical repairs and routine maintenance
  • Pickup, SUV, car, van, and commercial applications
04

Performance & aftermarket

Installation and build work scoped to your combination, your parts, and the way you use your Ford.

  • Manifolds, long-tube headers, and bolt-on modifications
  • Engine swap projects
  • Aftermarket transmission builds

Ford transmission coverage

Six-, eight-, and ten-speed families.

6F seriesSix-speed automatics8F seriesFull eight-speed line6R80 · 6R100 · 6R14010R80 · 10R100 · 10R140

Send your VIN to confirm the exact application. Custom builds, aftermarket parts, and commercial work are quoted individually.

The vehicles we know

From your driveway
to your workday.

Ford cars, crossovers, trucks, and vans across the DFW metro area. Share your model, year, and VIN so we can confirm the right service for your vehicle.

Trucks & commercial

Maverick · Ranger · F-150
F-250 · F-350 · F-450
F-550 · F-650

Cars & SUVs

Mustang · Escape · Edge
Explorer · Expedition

Vans & fleet vehicles

Transit · Transit Connect
Service planned around your vehicle and its workload.

The Shiftline approach

Understand the concern.
Make the right repair.

Direct communication with your technician, Ford-specific diagnostic capability, and an estimate you can review before work begins.

Independent service. Practical value.We quote the work your vehicle needs and discuss options before you commit.
  1. 01

    Tell us about your Ford

    Call, text, or email your vehicle details, symptoms, and recent repair history. For a modification, share the parts and your goals.

  2. 02

    Evaluate the concern

    We agree on the diagnostic scope and charge, then test the vehicle to identify the cause and explain the findings.

  3. 03

    Approve the plan

    Review the repair scope and estimate before work begins. If additional work is needed, we discuss it with you before proceeding.

  4. 04

    Verify the result

    We check operation against the original concern and complete the applicable software, adaptive, and road-test procedures.

Dallas–Fort Worth metro

Two ways to get
your Ford sorted.

We match the appointment to the work. Share your city or ZIP code and whether the vehicle is drivable when you get in touch.

At your location

Mobile diagnostics

Diagnostic appointments across the DFW service area, with coverage and any travel charge confirmed before booking.

Mobile visits are for diagnostics

In a shop setting

Service, repairs & builds

Mechanical repairs and transmission work are scheduled with the equipment and lift access the job requires. Location and arrival details are provided when booking.

Shop work by appointment

Serving the DFW metro area. Based around Arlington and Grand Prairie, with appointment availability confirmed for your location.

Need answers at your location?Send your vehicle details and concern to request a mobile diagnostic visit.

Request a visit

Before you book

A few useful
answers.

Do you only work on transmissions?

Transmissions are a core specialty. We also accept Ford diagnostics, electrical testing, general mechanical repairs, engine replacements, swaps, and aftermarket installation work.

Can you repair my vehicle at my home?

Mobile appointments are for diagnostics. Mechanical repairs, transmission service, and build work take place in a shop setting by appointment.

Can you quote the work before I bring it in?

Send the VIN, mileage, symptoms, and any previous findings. Some services can be estimated from those details; repair concerns may need testing first. Diagnostic charges and the proposed work are discussed before you authorize them.

Do you accept aftermarket parts and custom builds?

Yes. We consider manifolds, headers, bolt-on modifications, engine swaps, and performance transmission builds. Send the exact parts and vehicle details so compatibility, installation scope, and the estimate can be reviewed.

Do you work on older Ford vehicles too?

Yes. The vehicles pictured are examples, not a model-year restriction. Contact us with your Ford’s year, model, and VIN to confirm the work you need.

Where should I bring my vehicle?

Shop work is by appointment. We confirm the service location and arrival instructions directly when arranging your appointment.

Let’s talk about your Ford

Tell us what’s next.
A repair. Or a build.

Call, text, or email to discuss your vehicle and arrange an appointment. A few details help us give you a useful answer.

(214) 789-6356contactshiftline@gmail.com
  • 01
    Your vehicle

    Year, model, engine, mileage, and VIN if available.

  • 02
    The concern or project

    Symptoms, fault codes, when it happens, or the modification you’re planning.

  • 03
    Recent work and parts

    Previous repairs, diagnostic findings, or the parts you want installed.

  • 04
    Location and availability

    City or ZIP code, preferred days, and whether the vehicle is drivable.

All services are by appointment. Contacting us starts the conversation; an appointment is confirmed directly with you.

Book diagnosticsCall Shiftline