There isn’t a single year when every Camry switched to a timing chain—the transition happened gradually in the early 2000s as Toyota moved away from belt-driven engines. By the late 2000s, most Camry models used timing chains, and today all major Camry engines rely on timing chains.
To understand the shift, you need to follow the Camry’s evolution across generations. Toyota introduced new four-cylinder and V6 designs that used timing chains, reducing the maintenance task of belt replacements and aligning with the brand’s reliability push. While older Camrys from the 1990s sometimes used timing belts, the current lineup relies on chains, which typically require less frequent replacement but demand attention to chain tensioners and oiling.
Historical context: belts versus chains
In the 1990s, several Camry four-cylinder engines used timing belts, which require periodic replacement. As Toyota modernized its engines, timing chains—engineered for longer life and fewer maintenance stops—became standard on newer designs. This shift reflected broader industry trends toward durability and reduced owner maintenance.
Notable turning points by generation
Starting with the mid-2000s Camry generation, Toyota began incorporating timing chains into more engines. The 2002 model year is often cited as a turning point for the four-cylinder line with the introduction of chain-driven designs, and the V6s in that era also favored timing chains. As newer generations arrived, the trend continued, and by the end of the decade and into the 2010s, chain-driven engines became the norm across the Camry lineup.
Why this matters for owners
For owners, this shift changes maintenance expectations. Timing belts require scheduled replacement, while timing chains generally last longer but can wear in tensioners or guides. When shopping for a used Camry, it’s useful to confirm the engine and year to understand whether a belt or chain is involved and to plan for maintenance accordingly.
Summary
In sum, there isn’t a single calendar year for the Camry’s switch to timing chains. The transition occurred gradually through the early 2000s as Toyota updated its engine designs, and by the end of that decade into the 2010s, chain-driven engines were standard across the Camry lineup. Today, Camry engines—across the main trims—rely on timing chains.