Timing chains do not need to be replaced, only timing belts. Save your money and don't let the car dealer tell you otherwise.
It has a timing chain. No scheduled maintenance is required.
There is no timing belt; the maintenance-free silent chain is used instead.
For a 2003 Ford Escort ZX2 : The 2.0 litre DOHC four cylinder engine has a ( timing BELT ) According to the scheduled maintenance guide ( replace at 120,000 miles )
It has a chain that requires no maintenance and should last the life of the engine.
V6 has a timing belt. 4 cylinder has a timing chain. There is no regular maintenance required on your timing chain. Should last the life of the engine.
Are you sure your 2003 Rav 4 has a timing belt? I think you will find it has a timing chain and not a belt. Look in your owner's manual at the maintenance schedule to see if it is listed as a maintenance item.
Scheduled maintenance for a 2003 Honda Civic applies to the type of service needed to keep the car running healthy. Oil changes are an example of scheduled maintenance.
Your 2003 four-cylinder Honda CRV has a timing chain. No maintenance is required and they are normally replaced during a complete engine overhaul.
Does not have a belt, timing chain only, no maintenance required. Just keep your oil changed regularly.
timing chain timing chain
timing chain timing chain
It has a chain that requires no maintenance. Beginning in 2003 the Accord 4 cylinder has a chain and the V6 has a belt. Prior to 2003 the 4 cylinder had a belt.