Subaru Forester Timing Belt or Chain (All Years 1998–2025)

The Subaru Forester is a compact SUV sold in the United States since the 1998 model year. Over its production run, the Forester has used both timing belts and timing chains, depending on the model year and engine option. Timing system type directly affects scheduled maintenance and engine reliability.

Identifying whether a specific Forester has a timing belt or chain prevents missed replacements that can cause severe engine damage. The change from belt to chain occurred gradually across engine families, with some years offering both systems in different trims.

Does the Subaru Forester Have a Timing Belt or Timing Chain?

Subaru Forester models used timing belts from 1998 through 2010 on non-turbo engines and through 2013 on turbocharged engines. From 2011 onward, naturally aspirated engines switched to timing chains, and all engines after 2013 use timing chains. Always verify by year and engine.

2025 Subaru Forester Timing Belt Or Timing Chain

The current Forester uses a timing chain with no replacement interval. Oil maintenance is the primary factor in long-term timing component durability.

2024 Subaru Forester Timing Belt Or Timing Chain

No timing system changes occurred. The 2.5L direct-injection engine continues with a maintenance-free chain.

2023 Subaru Forester Timing Belt Or Timing Chain

Chain reliability depends on clean engine oil. No belt service is required, reducing ownership costs significantly.

2022 Subaru Forester Timing Belt Or Timing Chain

The chain-driven engine continues with no scheduled replacement. Oil change adherence preserves the chain and guides.

2021 Subaru Forester Timing Belt Or Timing Chain

Timing chain hardware remains consistent. Routine oil service is the only related maintenance requirement.

2020 Subaru Forester Timing Belt Or Timing Chain

No belt service intervals exist. Any unusual startup noise should be inspected for chain tensioner wear.

2019 Subaru Forester Timing Belt Or Timing Chain

The fifth-generation Forester introduced a direct-injection FB25, still using a timing chain. No timing belt was offered.

2018 Subaru Forester Timing Belt Or Timing Chain

All 2018 engines are chain-driven. The turbo FA20F also relies on a chain, eliminating belt replacement costs.

2017 Subaru Forester Timing Belt Or Timing Chain

Both available engines use timing chains, providing a low-maintenance timing solution. Oil quality remains essential.

2016 Subaru Forester Timing Belt Or Timing Chain

No belt-driven engines were available. The all-chain lineup eliminates periodic belt changes.

2015 Subaru Forester Timing Belt Or Timing Chain

Both powertrains rely on timing chains. Owners avoid the typical belt replacement expense found in earlier Foresters.

2014 Subaru Forester Timing Belt Or Timing Chain

The fourth-generation Forester eliminated timing belts entirely. Both the 2.5L and new 2.0L turbo use chains.

2013 Subaru Forester Timing Belt Or Timing Chain

Two timing systems existed in 2013. The naturally aspirated engine used a chain, while the turbo XT kept a timing belt.

2012 Subaru Forester Timing Belt Or Timing Chain

Non-turbo trims had a timing chain; turbocharged Foresters required belt service. Owners should confirm which engine they have.

2011 Subaru Forester Timing Belt Or Timing Chain

The 2.5L non-turbo engine switched to a timing chain for 2011. The turbo model retained its belt system.

2010 Subaru Forester Timing Belt Or Timing Chain

All 2010 Forester engines used timing belts. Adhering to the 105,000-mile replacement interval is critical to avoid engine damage.

2009 Subaru Forester Timing Belt Or Timing Chain

The redesigned 2009 Forester continued with belt-driven EJ engines. No timing chain option was available.

2008 Subaru Forester Timing Belt Or Timing Chain

Both engine options used belts. Replacing the timing belt on schedule prevented interference damage.

2007 Subaru Forester Timing Belt Or Timing Chain

Belt maintenance remained essential. Failure to replace the belt at 105,000 miles risked valve-to-piston contact.

2006 Subaru Forester Timing Belt Or Timing Chain

Timing belt replacement remained a key service item. The engine family had not yet transitioned to chains.

2005 Subaru Forester Timing Belt Or Timing Chain

All 2005 Foresters used timing belts. Maintenance schedules called for replacement at 105,000 miles.

2004 Subaru Forester Timing Belt Or Timing Chain

The turbocharged XT joined the lineup, still with a timing belt. Belt replacement was required for both engines.

2003 Subaru Forester Timing Belt Or Timing Chain

The redesigned 2003 Forester kept a timing belt. No chain option existed in the U.S. market.

2002 Subaru Forester Timing Belt Or Timing Chain

Timing belt service remained necessary. The 105,000-mile interval applied to the 2.5L SOHC.

2001 Subaru Forester Timing Belt Or Timing Chain

The engine and timing system were carried over. Scheduled belt replacement prevented catastrophic failure.

2000 Subaru Forester Timing Belt Or Timing Chain

Belt replacement at 105,000 miles was mandatory. The interference design meant belt failure could destroy the engine.

1999 Subaru Forester Timing Belt Or Timing Chain

The 1999 model switched to a SOHC EJ251 and raised the belt replacement interval to 105,000 miles.

1998 Subaru Forester Timing Belt Or Timing Chain

The first Forester used a timing belt. The 60,000-mile interval was shorter than later SOHC engines.

Timing Belt vs Timing Chain on the Subaru Forester

A timing belt in early Foresters is a rubber composite belt that synchronizes the crankshaft and camshafts. Belt systems are quieter but have a defined service life and require replacement at specific mileage intervals to avoid breakage.

A timing chain is a metal chain performing the same function. Chains were introduced on non-turbo Foresters in 2011 and on all engines by 2014. They are designed to last the engine’s life with no scheduled replacement.

Belt maintenance demands replacement at 60,000 or 105,000 miles depending on engine year. Neglecting belt service in an interference engine often results in bent valves and major engine repair. Chains have no replacement interval but rely on clean oil for tensioner function.

Belt replacement cost averages $500 to $1,000. Chain systems rarely need service, but a failing tensioner may cause startup rattle. Ignoring chain noise can lead to skipped timing and severe engine damage.

Subaru Forester Timing System Maintenance

Timing belt equipped Foresters (1998–2010 non-turbo, 2004–2013 turbo) require replacement at 60,000 miles for 1998 models or 105,000 miles for 1999 and later. The schedule includes the timing belt, tensioner, and idler pulleys.

Startup rattling or ticking from the front cover in chain-driven Forester engines may indicate tensioner wear. Camshaft correlation diagnostic trouble codes also point to timing chain concerns. These symptoms require immediate inspection.

Oil maintenance is critical for chain longevity. The hydraulic tensioner and chain guides depend on clean oil at the correct viscosity. Following the manufacturer’s oil change schedule helps prevent premature wear and chain stretch.

Even though timing chains are lifetime components, mechanical issues can arise from oil starvation or high mileage. If abnormal noise is present, a qualified technician should inspect the chain, guides, and tensioner to prevent failure.

Frequently Asked Questions

Does the Subaru Forester have a timing belt or chain?
It depends on the year and engine. Non-turbo models from 1998–2010 use timing belts. 2011–2013 non-turbo use chains, while turbo models through 2013 use belts. 2014 and later use chains.

When should a Subaru Forester timing belt be replaced?
For 1998, replace at 60,000 miles. For all other belt-equipped Foresters (1999–2013), the interval is 105,000 miles. Always replace the tensioner and idlers at the same time.

Does a timing chain need maintenance on a Subaru Forester?
The timing chain itself has no replacement interval. However, regular oil changes are essential to maintain chain tensioner and guide function.

Is the Subaru Forester an interference engine?
Yes. All U.S.-market Forester engines, both belt and chain driven, are interference designs. Timing system failure can cause severe internal engine damage.

How much does Subaru Forester timing belt replacement cost?
Replacement typically costs between $500 and $1,000 at a repair shop. The job includes the belt, tensioner, idlers, and sometimes the water pump.

What are signs of a failing timing chain on a Forester?
Common signs include a rattling noise from the engine front during cold starts, check engine light with cam/crank correlation codes, and performance issues.

Conclusion

The Subaru Forester used timing belts from 1998 until 2010 for non-turbo engines and until 2013 for turbo models. After 2011, non-turbo engines adopted timing chains, and all 2014 and later Foresters use timing chains.

Knowing the exact year and engine is essential before scheduling service. A missed belt replacement on an interference engine leads to costly repairs. Always verify timing system details using the owner’s manual or manufacturer service information before scheduling repairs.