Our Services
From daily drivers to farm equipment — we do it all, and we do it right.
Porter's Repair has been keeping Napa Valley vehicles running for over 30 years. Whether it's a quick oil change, a major engine repair, or getting your tractor back in the field, Mark and his team bring the same honest, thorough approach to every job.
Auto Repair
Full-service repair for cars, trucks, and SUVs of all makes and models. From minor fixes to major overhauls, we get you back on the road fast.
Engine Repair & Rebuild
Diagnosis and repair of engine issues including timing, gaskets, mounts, and full rebuilds when needed.
Transmission Service
Automatic and manual transmission repair, fluid service, and replacement for all vehicle types.
Brake Service
Full brake inspection, pad and rotor replacement, caliper service, and brake fluid flush.
Suspension & Steering
Shocks, struts, tie rods, ball joints, and alignment to keep your ride smooth and safe.
Cooling System
Radiator repair and replacement, thermostat, water pump, and coolant flush service.
Oil Change & Maintenance
Conventional and synthetic oil changes with multi-point inspection. Keep your engine running clean.
AG Repair
Farm equipment and tractor repair is a specialty at Porter's. We know how critical uptime is during planting and harvest — we work fast and get it right.
Tractor Repair
Engine, hydraulics, PTO, and drivetrain repair for tractors of all brands and sizes.
Farm Equipment Service
Maintenance and repair for a wide range of agricultural equipment used in Napa Valley vineyards and farms.
Hydraulic Systems
Hydraulic pump, cylinder, and line repair to keep your equipment operating at full capacity.
Diagnostics
Modern diagnostic equipment to find the problem fast — no guesswork, no unnecessary parts.
Check Engine Light
Full OBD-II scan and diagnosis to identify the root cause, not just clear the code.
Electrical Diagnosis
Wiring, sensors, alternators, starters, and battery testing and repair.
Pre-Purchase Inspection
Thinking about buying a used vehicle? We'll give it a thorough inspection so you know exactly what you're getting.
Fleet Service
Reliable fleet maintenance for local businesses. We keep your vehicles on the road and your operation running smoothly.
Scheduled Maintenance
Oil changes, filters, belts, and fluid services on a schedule that minimizes downtime for your fleet.
Fleet Repairs
Fast turnaround on repairs for commercial vehicles — we understand that time off the road costs you money.
Not sure what you need?
Call Mark directly on his cell — (707) 580-7100. No answering machine, no receptionist. You'll talk to the mechanic who will actually fix your vehicle.
Call Mark — (707) 580-7100