What year did Subaru stop using timing belts?
Subaru stopped relying on timing belts across most of its current lineup during the early to mid-2010s, with the transition happening gradually by engine family and model year. There isn't a single year that applies to every vehicle, as the move was phased in as Subaru introduced new engine designs.
Timeline of Subaru's timing-belt transition
The switch from timing belts to timing chains unfolded across several generations of Subaru engines and varied by model year. Below is a concise overview of how the transition occurred.
- Early 2000s to around 2010: The EJ-series engines, used in many Subaru models, most often relied on timing belts and required periodic belt replacements.
- Transition period around 2010–2012: Subaru began introducing the newer FA/FB engine families, which largely used timing chains rather than belts, signaling a shift in maintenance needs.
- Mid-2010s onward: The vast majority of mainstream Subarus moved to timing chains across the FA/FB family and related engines, reducing the need for belt maintenance.
- Regional and model-specific variations: A small number of older stock or niche variants may still have belt-driven configurations, but new models predominantly use timing chains.
For prospective buyers or current owners, this means that models from roughly 2012 onward are likely to use timing chains, while older vehicles may still have belt-driven engines depending on the engine family.
Engine families and year ranges
To help distinguish which Subaru engines used belts and when chains became standard, here is a targeted guide by engine family. Keep in mind that exact years can vary by market and model.
- EJ family (pre-2010s): Predominantly timing belts; common in many 1990s–2000s models, with belt replacement intervals recommended by the manual.
- FA/FB families (introduced around 2010–2012): Timing chains are standard; used in most modern Subarus including non-turbo and turbo variants.
- Modern linear growth (2013–present): Most models, including popular crossovers and wagons, rely on timing chains and require chain-related maintenance rather than belt service.
In practice, if you’re evaluating a Subaru from model year 2012 or newer, you’re very likely dealing with a timing-chain setup. If you’re shopping for a used vehicle, verify the exact engine designation (EJ vs. FA/FB) to confirm belt vs. chain maintenance expectations by consulting the owner’s manual or a trusted service history.
Maintenance implications for owners and buyers
For belt-driven engines, plan for periodic belt replacement—historically around 100,000–105,000 miles (160,000–169,000 km) or roughly 7–10 years, whichever comes first. For chain-driven engines, the focus shifts to potential wear-related components such as tensioners and guides, with chains typically designed to last the life of the engine barring rare failures. Always verify your specific model’s engine family and maintenance schedule.
Summary
Subaru’s shift away from timing belts did not happen on a single calendar date but progressed alongside new engine designs. By the early to mid-2010s, most newer Subarus used timing chains, with the FA/FB engine families marking the transition. Today, the vast majority of Subaru engines are chain-driven, though ownership details should always be confirmed for any used vehicle by checking the engine family and service history.
How do I know if my Subaru has a timing belt or chain?
But you will see a black plastic timing belt cover on the front side of the engine. Now pros of timing belt.
Does a 2006 Subaru Forester have a timing belt or chain?
A 2006 Subaru Forester has a timing belt. Subaru recommends replacing the timing belt every 105,000 miles or every seven years, whichever comes first, to prevent catastrophic engine damage if the belt fails. It is common practice to also replace other components like the water pump and tensioners at the same time.
You can watch this video to see the process of replacing a Subaru timing belt: 15sMrSubaru1387YouTube · May 18, 2025
- Timing belt replacement: The 2006 Forester, equipped with the EJ25 engine, uses a timing belt.
- Maintenance interval: Subaru advises replacing the timing belt around every 105,000 miles or seven years, but it is crucial to check your owner's manual for specific recommendations.
- Comprehensive replacement: When you replace the timing belt, it is highly recommended to also replace the water pump, tensioners, and pulleys at the same time because these components have similar lifespans and are often replaced together to prevent future issues.
What year did Subaru stop using a timing belt?
Part by the manufacturer. So most Subarus before 2012 model year had a timing belt on them now between 2009.
Does a 2018 Subaru Outback have a timing belt or chain?
The 2018 Subaru Outback has a timing chain, not a timing belt. Timing chains are designed to last the life of the engine and do not have a scheduled replacement interval, unlike timing belts which typically need to be replaced around 100,000 miles. While the chain itself is meant to be a lifetime part, issues can arise from worn guides or tensioners over time, often indicated by engine noise, according to this Subaru parts website.
Key differences
- Timing Belt: Requires periodic replacement (e.g., at 100,000 miles).
- Timing Chain: Designed to last the life of the engine and requires no scheduled replacement.
What to watch for
- While the chain itself is long-lasting, the tensioners and guides can wear out.
- Listen for a rattling or "chain slap" noise from the engine, especially on startup, as this can be a sign of a failing tensioner.
- If you hear this noise, it is best to have a mechanic inspect the timing chain system.
