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Guide · 6 min read

How Often Should Fleet Vehicles Be Serviced?

The short answer

Fleet vehicles should get preventive maintenance every 5,000 miles or 3 months — whichever comes first — including oil, filters, tire rotation, brake and fluid inspection. High-mileage delivery and contractor vehicles in Texas heat often need 3,000–4,000 mile intervals.

Preventive maintenance schedules that cut downtime for Texas business fleets. This guide covers Recommended fleet PM schedule; The real cost of downtime; Building a fleet maintenance program so you can describe the problem and decide what to check next.

Fleet & Commercial Vehicle Repair: a closer look

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Illustration of a technician inspecting a vehicle on a lift

Hands-on inspection

A hands-on inspection helps connect the driver's symptoms with the vehicle's condition.

Illustration of a technician using a diagnostic scanner

Computer diagnostics

A fault code identifies a system to investigate, not necessarily a part to replace.

Illustration of a technician checking an engine oil dipstick

Oil level checks

Use your vehicle's handbook for the correct oil specification and checking procedure.

Illustrative images, not customer repair photographs.

Recommended fleet PM schedule

A-service every 5,000 miles: oil, filter, rotation, inspection. B-service every 15,000: add air filters, brake service check, fluid tests. C-service every 30,000+: transmission, coolant, and spark plug service as needed.

The real cost of downtime

Every day a work truck sits idle costs lost revenue. Scheduled PM catches small failures before they strand a driver.

Building a fleet maintenance program

Track service by VIN, schedule after hours, and consolidate invoicing. Car Auto Repairs of Texas offers fleet programs with late hours until 11:45 PM.

Frequently asked questions

Commercial vehicles over 10,001 lbs GVWR in interstate commerce do.

Yes, we're open late seven days.

Yes, based on volume.

Related guides

Car trouble? We're open until 11:45 PM, every day.

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