Serving Medford, NY & Suffolk County
Mechanic working on a car engine
Auto · Diesel · Trucks · Roadside

Mobile Auto & Diesel
Mechanic in Suffolk County, NY.

Searching for a mobile mechanic near you in Long Island? Franklin Mobile Auto Service brings 19+ years of expertise directly to your driveway, job site, or the side of the road — for everything from oil changes to engine swaps.

Quick Snapshot
19+
Years
22
Auto Services
100%
On-Site
24/7
Roadside
631-885-6751
What we do

Auto & Diesel — At Your Door.

Cars, trucks, vans, SUVs, gasoline or diesel — we service them all. Our mobile auto repair shop rolls into your driveway with the diagnostic equipment, tools, and parts to handle most jobs same-day.

From a quick oil change before work to a full timing chain or engine swap, you get the same shop-quality work without the tow bill or the wait — across Medford, Patchogue, Brentwood, Bay Shore and all of Suffolk County.

Full Service List

Auto & Diesel Services

Everything we do for cars and trucks — performed at your location.

General vehicle maintenance

Scheduled service to keep your car or truck running reliably.

Engine diagnostics & troubleshooting

Pinpoint check-engine codes and performance issues fast.

Computer diagnostics

OEM-level scan tools for foreign and domestic vehicles.

Oil changes & tune-ups

Clean, quick on-site oil and filter service at your driveway.

Brake pads & rotor replacement

Stop safely with new pads, rotors, and calipers as needed.

Suspension & steering repairs

Struts, shocks, ball joints, tie rods and alignment-ready work.

Battery replacement & jump starts

New batteries installed on-site or fast roadside jump starts.

Starter & alternator replacement

Charging and starting system rebuilds at your location.

Cooling system repairs

Hoses, thermostats, leaks — fix overheating before it stalls you.

Radiator & water pump replacement

Full cooling-system overhauls done curbside.

AC diagnostics & repair

Recharge, leak detection, compressor service for hot Long Island summers.

Fuel system repairs

Pumps, injectors, lines and filter service.

Spark plugs & ignition repairs

Restore smooth idle, mileage, and power.

Timing chain & timing components

Major timing jobs handled with care and precision.

Gasket & oil leak repairs

Find and seal leaks — valve cover, oil pan, head gaskets.

Transmission services & repairs

Fluid services, diagnostics and repairs for auto and manual.

Engine swaps

Complete engine R&R for cars, trucks and diesels.

Electrical diagnostics & repairs

Wiring, sensors, lights, fuses, alternators — full electrical.

Lockout services

Locked your keys in the car? We come unlock it.

Roadside assistance

Stranded? Same-day help across Suffolk County.

Foreign & domestic vehicles

Toyota, Honda, Ford, Chevy, BMW, Mercedes, Ram, Cummins — and more.

Small jobs to major repairs

No job too small. No job too big. Honest pricing every time.

Diesel engine maintenance
Diesel Specialist

Truck won't crank? We'll fix it where it sits.

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Why Franklin

Built On Trust

19+ Years

Two decades on the wrench — every kind of vehicle, every kind of problem.

Fully Mobile

We come to your home, job, or the side of the road. No tow needed.

All Brands

Foreign and domestic. Gas and diesel. Cars, trucks, vans, SUVs.

Honest Pricing

Fair quotes upfront. No surprises. No hidden fees.

Long Island road
Where We Roll

Auto Service Across Suffolk County

Based in Medford, NY — covering central and southern Long Island.

Medford Patchogue Holbrook Ronkonkoma Farmingville Coram Shirley Mastic Bellport Sayville Bayport Blue Point Bohemia Islip Central Islip Brentwood Deer Park Babylon Lindenhurst West Babylon North Babylon Bay Shore West Islip East Islip Oakdale Westhampton Riverhead
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Ready When You Are.
Call or text now.

Quotes are free. Same-day appointments available across Suffolk County.