ServlogUpdated 2026-06-25
Does the Chevrolet Blazer Have a Timing Belt or Chain?
Compiled & reviewed by Nikolai Tsyrenov · Updated 2026-06-25 · confidence: high
2019-2025 (gas — NOT the Blazer EV) Chevrolet Blazer — 2.0L turbo (LSY) or 3.6L V6 (LGX); 0W-20 dexos1 Gen 3; 9-speed auto.
Answer: Timing CHAIN on both engines — no scheduled replacement.
| Belt or chain | Timing chain — no scheduled replacement |
|---|---|
| Engine | 2.0L turbo (LSY) or 3.6L V6 (LGX); 0W-20 dexos1 Gen 3; 9-speed auto |
| Interference engine? | Not flagged in our data — confirm in your manual |
The Chevrolet Blazer uses a timing chain designed to last the engine's lifetime, so there's no scheduled replacement — one less recurring service to budget for than belt-driven rivals.
FAQ
Does the Chevrolet Blazer have a timing belt or a timing chain?
Timing CHAIN on both engines — no scheduled replacement.
When does the Chevrolet Blazer timing belt need replacing?
The Chevrolet Blazer uses a timing chain, which is designed to last the life of the engine — there is no scheduled replacement interval. Inspect if you hear rattling on cold start.
Is the Chevrolet Blazer an interference engine?
Our data doesn't flag the Chevrolet Blazer as a known interference engine, but treat any timing-component failure as serious and follow the schedule in your owner's manual.
← Full Chevrolet Blazer maintenance schedule · Timing belt intervals for all cars
General guidance — confirm against your Chevrolet Blazer owner's manual.
Stop guessing what's due next
Keep every car's service history on schedule — Servlog logs every oil change, rotation and repair, and reminds you when the next service is due.
