---
id: department-0005
title: "When should I get an oil and fluid change, and what's involved?"
category: department
subtopic: service-oil-fluids
page_type: department
source_url: "https://www.castlesubarumchenry.com"
tags: ["service", "maintenance", "oil", "fluids"]
questions:
  - "How often do I need an oil change?"
  - "What fluids need changing?"
  - "What happens during an oil service?"
related: [service-routine-maintenance, service-scheduling]
dealer: Castle Subaru McHenry
---

Oil and fluid changes are the heartbeat of vehicle maintenance. Fresh oil keeps your engine running clean and efficient; other fluids (coolant, transmission, brake, power steering) do the same for their systems.

**How often?** Check your owner's manual for the recommended schedule-typically every 3,000 to 10,000 miles depending on your vehicle and oil type. Our technicians will confirm what's right for you.

**What's included?** We drain old oil, replace the filter, top up or replace other fluids as needed, and inspect for leaks or issues. It's quick, affordable, and one of the best ways to protect your investment.

Ready to schedule? Call (779) 601-0797 or book online. Our Service team will get you in and back on the road fast.