Timing chains are in 1995-present 4 cylinder models.
It has a timing chain. No scheduled maintenance is required.
On the V6 change the belt at 90,000 miles. The 4 cylinder has a chain and requires no maintenance.
Elements have timing chain
The 2.0 liter 4 cylinder in a 2003 Toyota RAV4 has a timing CHAIN
The 2.4 liter four cylinder engine in a 2002 and 2003 Toyota Camry have a timing CHAIN
The 2.2 litre four cylinder engine in a 2003 Pontiac Grand Am has a timing CHAIN
The 2.5 litre four cylinder engine in a 2003 Nissan Altima has a timing CHAIN
timing belt
Timing CHAIN ( there is no listing for a timing belt for the 1.8 liter 4 cylinder in a 2003 Toyota Corolla on the Gates website )
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.
No . Have some mechanical assistant
2003 Toyota Camry 2.4L does NOT have a timing belt. It does have a Timing chain which DOES NOT need to be replaced.