Sophia’s DieselShop merch ↗Request appointment

Seymour, CT · Shop & mobile service

Diesel repair
& maintenance.

Medium- and heavy-duty truck service at the Seymour shop, with mobile work available by arrangement.

By appointment only. Call or text to schedule.

Text to bookCall (203) 505-3596

Mobile availability depends on your location and the work needed.

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Sophia’s Diesel skull and crossed wrenches logo in bright green

Maintenance & repairs

$200/hour shop labor

Preventative maintenance

Service A

Engine oil, oil filter, and fuel filter changes, plus chassis greasing.

What’s included
  • Oil & filtersChange engine oil, oil filter, and fuel filters.
  • ChassisGrease chassis.
Estimated shop labor
$400 labor
Time
About 2 hours
+ parts & shop suppliesAsk about Service A

Preventative maintenance

Service B

Oil and filter changes, plus fluid, drivetrain, air-brake, suspension, and battery checks.

What’s included
  • Oil & filtersChange engine oil, oil filter, and fuel filters.
  • FluidsCheck fluids, including oil in differentials and hubs.
  • DrivetrainCheck u-joints, yokes, and carrier bearing.
  • Air brakesCheck air compressor, lines, clevis pins, and slack adjusters.
  • Suspension & batteriesCheck suspension and batteries.
Estimated shop labor
$1,000 labor
Time
About 5 hours
+ parts & shop suppliesAsk about Service B

Estimates exclude parts and shop supplies. Time and final cost depend on the truck. Mobile work is quoted separately.

DOT inspections

DOT inspections for commercial trucks. Send the year, make, and model to arrange an appointment.

By appointment · Quote on request

Ask Sophia about DOT inspections

Air-brake service

Bendix certified

Air leaks, pressure problems, and brake issues. Inspection, troubleshooting, maintenance, and repair.

By appointment · Quote on request

Ask Sophia about Air-brake service

Request an appointment

All service is by appointment. Tell Sophia what you’re driving and what needs attention. Include your location if you need mobile work.

Year, engine, mileage, and any warning lights are helpful.

Rather call? (203) 505-3596
Open text requestUse email instead
This opens a draft on your device. Send it to request an appointment; Sophia will confirm the time.
Sophia’s Diesel shirt concept, front and back: black tees with neon-green lettering and a white skull and crossed wrenches on the back
Shirt design concept. See the store for currently available designs.

Sophia’s Diesel merch

Shop tees

Find available shirts, sizes, and current prices in Sophia’s online store.

Shop merch Checkout on Shopify. Opens in a new tab.Questions? Text Sophia

The shop

Seymour, Connecticut

Most work is done at the shop. Mobile jobs can be arranged depending on the truck, location, and work needed. Call or text to talk it through.

Shop visits by appointment only

98 Silvermine Rd
Seymour, CT 06483

Please arrange a time with Sophia before coming by. No walk-ins.

Get directions ↗
CallTextRequest a time