Fall Maintenance Window for Your 2024-2026 Chevrolet Traverse

The best month of the year to catch deferred work. Applied to a 2024-2026 Traverse, here is what that looks like.

Ignition and Engine Management

Watch for a check engine light that flashes under load, which means raw fuel is going into the converter. Iridium plugs on most modern GM engines are a 90,000 to 100,000 mile item. Coils are replaced on failure, not on a schedule.

Exhaust and Emissions

Watch for an exhaust tick on cold start that quiets as the manifold expands. Not scheduled. Converters are warranted separately under federal emissions rules, so check coverage before you buy.

Filters and Fluids

Watch for reduced airflow from the vents. Follow the oil life monitor rather than a fixed mileage. Engine air filter every 30,000 to 45,000 miles. Transmission service intervals vary widely by transmission and by whether you tow.

Body and Exterior

Watch for a mirror that shakes at highway speed after a folding motor fails. Not a scheduled item. These are damage and failure replacements.

The Short Version

Spark plugs: The same nameplate can have three different engines in one model year. VIN is the only reliable way to get the right plug.
Catalytic converters: Emissions equipment varies by state of original sale on some model years.
Oil filters: Engine size and emissions equipment change the filter, and diesel filter kits in particular are not interchangeable across model years.
Mirrors: Trim level changes almost every exterior part. Take a photo of the connector on the part you are replacing before you order.

Ordering is easiest if you have the VIN in front of you. Head to our Chevrolet OEM parts catalog to shop by vehicle, or search for Traverse parts to go straight to a part.