There isn't a single year; Honda did not switch all models to timing chains at once. The move to chain-driven engines happened gradually across different engine families, beginning in the late 1990s and continuing into the 2000s, with many newer designs using chains by default.
Context: Belts vs Chains in Honda Engines
Historically, Honda used both timing belts and timing chains in its engines. Timing belts offer quiet operation and lower maintenance costs, but require periodic replacement. Timing chains are typically more durable, though they can require attention to tensioners and guides over time. Honda's strategy varied by engine family and market, leading to a patchwork rather than one universal switch.
Timeline by Era and Engine Family
Because there is no single year that applies to all Hondas, this section outlines the general pattern across popular engine families and model years. This helps illustrate how the shift happened over time rather than all at once.
Late 1990s to early 2000s: Beginning of the transition
During this period, Honda began introducing more chain-driven designs in several new or redesigned engines. These chains offered durability for higher-performance or newer configurations.
2000s and beyond: Chains become common in modern designs
From the 2000s onward, many of Honda's newer engines — especially newer inline-fours and V6s — migrated to timing chains as the standard, while some older or economy-focused engines continued with belts for a time.
Practical guidance for Honda owners
Because maintenance needs depend on the exact engine family, checking your specific vehicle is essential. Use the following steps to determine whether your car uses a belt or a chain and what maintenance is required.
Before you start the checklist, note that you should verify with your VIN and engine code, since the belt/chain status varies by model and region.
- Identify your engine code and model year using the VIN, under-hood sticker, or owner's manual.
- Look up the official maintenance schedule for that engine family to confirm belt vs chain and replacement intervals.
- Inspect the visible front cover cautiously: belts are flat with teeth on the inside surface; chains look like metal links under a removable cover.
In short, the best source for a definitive answer is your owner's manual or a Honda service bulletin for your exact vehicle.
Summary
Honda did not switch to timing chains in a single year. The transition occurred gradually across different engine families from the late 1990s through the 2000s, with many modern Honda engines using timing chains by design. For any given vehicle, the most reliable method to confirm is to check the engine family and consult official documentation or a trusted mechanic.