Our rebuild process

What a real rebuild looks like

A transmission rebuild means more than swapping in a new unit. Here’s what happens on our bench, using photos of real units we’ve rebuilt.

The short version

Five steps, no surprises

  1. 1

    Call or send the symptoms

    Tell us what it’s doing — slipping, shifting hard, noises, lights. A short video helps. Ask about towing if it isn’t drivable.

  2. 2

    Honest diagnosis

    We scan, road-test, and check fluid and pressures to find the real cause. Sometimes it’s a sensor or valve body — not a whole transmission.

  3. 3

    Clear quote, your call

    You get the findings, your options (repair, rebuild, or used unit), the price, and a realistic timeline before we touch it.

  4. 4

    Rebuilt on our bench

    Torn down, cleaned, inspected, and rebuilt with new frictions, seals, and updated parts — then air-checked before it goes back in.

  5. 5

    Road test & warranty

    We road-test, re-check for leaks, and hand you written warranty terms with your keys.

On the bench

The rebuild, step by step

  1. A technician working under a raised vehicle in the Transpecialists bay.
    Step 01

    Diagnose before we pull anything

    We scan for codes, road-test, and check fluid condition and line pressure. Many shifting problems come from a solenoid, a valve body, a sensor, or the torque converter. We tell you when the whole transmission doesn’t need to come out.

  2. A transmission completely disassembled on a blue workbench — valve body, drums, planetary sets and frictions laid out for inspection.
    Step 02

    Remove the unit and tear it down completely

    If a rebuild is the right repair, the transmission comes out on a transmission jack and goes to the rebuild bench. We take it all the way apart: drums, planetaries, valve body, pump, and every clutch pack.

  3. An empty, cleaned transmission case ready for reassembly.
    Step 03

    Clean and inspect every part

    The case and hard parts are cleaned and inspected for wear, heat damage, and cracks. This tells us why the unit failed, so the same failure doesn’t happen again.

  4. A new master rebuild kit for a Ford E4OD transmission, with seals, gaskets and a drum on the bench.
    Step 04

    Rebuild with new soft parts and updates

    Every rebuild gets new frictions, steels where needed, seals, gaskets, and filters, plus updated parts for that unit’s known weak spots. Hard parts are replaced when inspection calls for it.

  5. An automatic transmission standing on end on the bench with its valve body exposed, air nozzle ready for clutch-apply testing.
    Step 05

    Air-test before it goes back in

    During assembly we air-check clutch packs and circuits to confirm they apply and hold. It takes extra time, and it’s how we avoid pulling the unit back out a week later.

  6. A transmission on a transmission jack under a lift, ready to be installed.
    Step 06

    Install, road-test, and check for leaks

    The rebuilt unit goes back in with fresh fluid. Then we road-test through every gear and check for leaks. Sometimes we ask you to bring it back for a quick re-check, too.

Your options

Repair, rebuild, or replace?

You choose. We’ll explain the trade-offs for your vehicle and budget.

Targeted repair

A solenoid, valve body, torque converter, seal, or sensor, when diagnosis shows the rest of the unit is healthy. This is usually the lowest-cost option.

Most common

In-house rebuild

A full overhaul on our bench with new frictions, seals, and known updates. You get your own unit back, rebuilt, with a written warranty.

Used or replacement unit

Sometimes a tested used unit is the most sensible choice, especially on older or high-mileage vehicles. We also sell core transmissions.

Our commitments

  • We won’t start work you haven’t approved.
  • If we find something new or a part is delayed, we contact you before going further.
  • We’ll tell you when a cheaper repair will do the job.
  • You get your warranty terms in writing.

Get your transmission diagnosed

Tell us what your vehicle is doing and we’ll take it from there. The request takes a couple of minutes, or call and talk to the shop directly. Se habla español.