Fleet Mechanics & Truck Repair — Portland, Vancouver & Seattle
Pacific Service Center provides expert fleet mechanical repair and preventive maintenance in Portland, Vancouver WA, and Seattle from our dedicated mechanics facility. DOT inspections, diesel engine repair, brake service, electrical diagnostics, and complete drivetrain work for commercial vehicles of every class.
Serving commercial fleets from Salem, Oregon to Seattle, Washington. Scheduled maintenance programs, priority fleet scheduling, and transparent estimates. Pickup and delivery available.
Vehicles We Service
Keep Your Fleet Road-Ready
At PSC Trailer and Mechanics, our experienced commercial vehicle technicians handle everything from routine oil changes to complex diesel engine rebuilds. We understand that every hour a fleet vehicle is down costs your business money — so we prioritize fast, thorough repairs with transparent communication throughout the process.
Our certified DOT inspection program helps you stay ahead of FMCSA compliance requirements, and our preventive maintenance programs are designed to catch problems before they become roadside breakdowns. Whether you run a fleet of delivery vans or a line of Class 8 trucks, PSC has the expertise and equipment to keep your operation moving.
Fleet managers from Salem to Seattle trust PSC for mechanical services because we combine deep commercial vehicle expertise, priority scheduling for fleet accounts, and detailed documentation for your maintenance records.
Our Capabilities
Industries We Serve
We service fleet vehicles for businesses across every industry. From long-haul trucking to municipal utility fleets, our mechanics keep commercial vehicles running safely and reliably.
Trucking & Freight
Food & Beverage
Construction
Delivery & Logistics
Utilities & Telecom
Government & Municipal
Waste Management
Moving & Storage
Mechanical Services
From routine maintenance to complex diesel engine repairs, our experienced technicians handle every aspect of commercial vehicle mechanical service.
Preventive Maintenance Programs
Scheduled service plans that keep your fleet ahead of breakdowns. Oil changes, filter replacements, fluid checks, belt and hose inspections, and multi-point vehicle assessments on a cadence that fits your fleet operations.
DOT Inspections & Compliance
Certified DOT annual inspections and FMCSA compliance services for commercial vehicles. We identify and repair issues before they become roadside violations, keeping your fleet legal and your drivers safe.
Diesel Engine Repair
Complete diesel engine diagnostics and repair for commercial trucks and fleet vehicles. Turbocharger service, fuel system repair, injector replacement, emissions system troubleshooting, and engine overhauls.
Brake System Service
Full brake inspections, pad and shoe replacement, rotor resurfacing, drum service, air brake system repair, and ABS diagnostics. FMCSA-compliant brake work for all commercial vehicle classes.
Electrical & Diagnostics
Advanced electrical system troubleshooting for commercial vehicles. OBD-II and J1939 diagnostics, wiring repair, alternator and starter service, lighting systems, and sensor replacement.
Transmission & Drivetrain
Manual and automatic transmission service, clutch replacement, driveshaft repair, differential service, and PTO system maintenance for commercial trucks and fleet vehicles.
Liftgate Repair & Service
Hydraulic liftgate repair, motor replacement, platform straightening, and preventive service for Tommy Gate, Maxon, Waltco, and all major liftgate brands on delivery and service vehicles.
Steering & Suspension
Commercial vehicle steering and suspension repair including leaf spring replacement, shock absorbers, ball joints, tie rods, power steering service, and alignment for trucks and vans.
Cooling System Service
Radiator repair and replacement, coolant flush, thermostat service, water pump replacement, and heater core repair. Prevent overheating and engine damage in your fleet vehicles.
Fleet Oil & Fluid Service
Comprehensive oil changes and fluid services for all fleet vehicle types. Engine oil, transmission fluid, differential fluid, power steering fluid, and brake fluid. Bulk fleet pricing available.
Our Service Process
Every fleet repair follows a structured process to ensure quality work, transparent pricing, and fast turnaround.
Intake & Diagnosis
Drop off your vehicle or schedule a pickup. Our technicians perform a thorough inspection and diagnostic scan to identify all issues and document the scope of work.
Estimate & Approval
We provide a detailed written estimate with transparent pricing. No work begins without your approval. Fleet accounts receive priority scheduling.
Expert Repair
Our experienced commercial vehicle technicians complete all repairs using quality parts. We keep you informed throughout the process with status updates.
Quality Check & Return
Every repair is verified with a multi-point quality inspection before your vehicle leaves. We document all work performed for your fleet maintenance records.
Preventive Maintenance Programs
The most expensive repair is the one that strands a vehicle on the road. Our preventive maintenance programs are built around your fleet's specific vehicles, mileage intervals, and operating conditions to catch problems before they become breakdowns.
Scheduled oil changes, brake inspections, fluid services, belt and hose checks, tire evaluations, and multi-point assessments — all documented for your fleet records and DOT compliance files.
Serving the I-5 Corridor
Our mechanics facility serves commercial fleets in Portland, Vancouver WA, and Seattle with additional coverage from Salem, Oregon to Tacoma and beyond. Pickup and delivery available for fleet vehicles throughout the Pacific Northwest.
Frequently Asked Questions
Common questions about fleet mechanical repair and maintenance in Portland, Vancouver WA, and Seattle.
How much does fleet mechanical repair cost in Portland, Vancouver WA, or Seattle?
Fleet mechanical repair costs vary by service type. Routine maintenance (oil changes, filters, fluids) typically runs $150-$500 per vehicle. Brake jobs range from $500-$2,000 depending on vehicle class and whether drum or disc. Diesel engine repairs range from $1,000 for minor issues to $5,000+ for major work. DOT inspections start at $150. Contact us for a free estimate tailored to your fleet.
How long does fleet mechanical repair take?
Routine maintenance services like oil changes and fluid checks are typically completed same-day. Brake jobs take 1-2 business days. Electrical diagnostics and repairs usually take 1-3 days. Major repairs like diesel engine or transmission work may take 3-7 business days depending on parts availability and scope. We prioritize fleet vehicles to minimize downtime.
Do you offer DOT inspections for commercial vehicles?
Yes. We perform certified DOT annual inspections and pre-trip inspection support for all commercial vehicle classes. Our technicians identify and repair issues before they become roadside violations, helping you maintain FMCSA compliance and avoid costly fines and out-of-service orders.
What vehicles do you service?
We service all commercial vehicle types including box trucks, semi trucks, transit vans, sprinter vans, ProMaster vans, delivery trucks, beverage trucks, service utility trucks, flatbed trucks, buses, dump trucks, and trailers. Our mechanics are experienced with both gas and diesel powertrains across all major manufacturers.
Do you offer preventive maintenance programs?
Yes. Our preventive maintenance programs are customized to your fleet size, vehicle types, and operating conditions. Scheduled service intervals cover oil and filter changes, brake inspections, fluid checks, belt and hose assessments, tire evaluations, and multi-point vehicle inspections. Preventive maintenance reduces breakdowns and extends vehicle life.
Do you repair diesel engines?
Yes. Our technicians are experienced with diesel engine diagnostics and repair including turbocharger service, fuel system repair, injector replacement, emissions system troubleshooting, and complete engine overhauls. We service diesel engines across all major commercial vehicle manufacturers.
Do you serve fleets outside Portland?
Yes. We serve commercial fleets throughout the I-5 corridor, with primary service areas in Portland, Vancouver WA, and Seattle, Washington. We also serve Salem, Oregon to Tacoma and the greater Pacific Northwest. We offer pickup and delivery service for fleet vehicles so your operations stay productive while we handle repairs. Fleet managers in Vancouver WA, Seattle, Tacoma, Eugene, and the greater Pacific Northwest rely on our scheduling coordination.
What makes PSC different for fleet mechanical service?
PSC operates a dedicated mechanics facility at 7001 NE Columbia Blvd. in Portland, staffed with experienced commercial vehicle technicians. As a full-service fleet center, we combine mechanical repair with in-house collision, paint, graphics, trailer, and upfitting divisions — so you have one trusted partner for every fleet need. We provide transparent estimates, priority fleet scheduling, and detailed maintenance records.
Fleet Maintenance Insights
Expert guides on preventive maintenance, DOT compliance, diesel repair, and keeping your fleet running efficiently.
Fleet Preventive Maintenance vs Reactive Repair Costs
Read ArticleDOT ComplianceDOT Roadside Inspection Checklist: 7 Critical Points
Read ArticlePreventive Maintenance7 Fleet Vehicle Maintenance Checks That Prevent Breakdowns
Read ArticleDiesel RepairDiesel Turbocharger Failure Signs and Fleet Repair
Read ArticleDon't Wait for a Breakdown
Schedule preventive maintenance or get a free repair estimate. Our experienced fleet mechanics are ready to keep your commercial vehicles running safely and reliably.
PSC Trailer and Mechanics
7001 NE Columbia Blvd., Portland, OR 97218
Serving commercial fleets from Salem, OR to Seattle, WA along the I-5 corridor