Honest WrenchDiesel & Automotive

Diesel · Automotive · 24/7 Mobile · Southeast Texas

No guesswork. No upsell. Just an honest wrench.

Diesel and automotive repair done right the first time — with a written estimate you approve before we ever touch a bolt.

Boost · PSISHOP OPEN
Powerstroke · Cummins · Duramax

Written estimate first

You see the full price and approve it before any work starts. No surprises waiting at the counter.

Diesel done right

Diagnostics, injectors, turbos, EGR and full rebuilds — by techs who actually know heavy oil-burners.

Warranty in writing

Parts and labor backed on paper. If we fixed it and it fails, you bring it back — we make it right.

What we turn wrenches on

Diesel and automotive,
under one roof

From a half-ton oil change to a worked-over diesel pulling a fifth-wheel, we handle daily drivers, work trucks, and fleets across Southeast Texas.

Diesel

  • Diesel diagnostics

    Live data, codes, and a straight answer on what's actually wrong.

  • Turbocharger service

    Rebuilds, replacements, boost leaks, and wastegate work.

  • Injectors & fuel system

    Injector testing, replacement, lift pumps, CP-series pumps.

  • EGR & emissions

    EGR, DPF, and aftertreatment service to keep you running clean.

  • Engine rebuilds

    Head gaskets, bottom ends, and full builds done to spec.

  • Preventive maintenance

    Fluids, filters, glow plugs, and service intervals on schedule.

Automotive

  • Brakes

    Pads, rotors, calipers, lines, and ABS — stopping done safely.

  • Oil & fluids

    Full-service oil changes, flushes, and top-offs while you wait.

  • Suspension & steering

    Shocks, struts, ball joints, tie rods, and alignment-ready repairs.

  • A/C & heating

    Recharge, compressors, blend doors — beat the Texas heat.

  • Batteries & electrical

    Charging systems, alternators, starters, and wiring gremlins.

  • Check-engine diagnostics

    That light has a reason. We read it and tell you straight.

Why "honest" is in the name

You approve the work before we start it

  1. We inspect & diagnoseYou drop it off or wait. We find the real problem, not the easy upsell.
  2. You get a written estimateParts, labor, and timeline in plain numbers — before anything gets torn down.
  3. You say goNothing happens until you approve it. Change your mind? No problem.
  4. We fix it and stand behind itBacked by a written warranty on parts and labor.

Most folks have a bad-mechanic story. We started Honest Wrench to put an end to ours being one of them.

No mystery fees. No "while we were in there." No work you didn't sign off on. Just clear answers, fair prices, and trucks that leave running better than they came in.

Book your appointment
Get on the schedule

Request an appointment

Tell us about your vehicle and what's going on. We'll review it and call you back to lock in a time. Need it today? Call the shop and we'll see what we can do.

We keep the schedule honest too — if we can't get to it when we said, you'll hear it from us, not silence.

Shop hours

Every dayOpen 24/7

Find us / call us

Phone(409) 658-5587
AddressMobile Unit
Emailshop@honestwrench.com

We'll call to confirm. No deposit, no commitment.