Yes , the 4.0 liter V6 engine in a 2003 Toyota 4 Runner has a timing CHAIN
V8 =timing belt, the v6 has a timing chain
if its a v6 it has a belt. if its a 4 cyl its a chain This is incorrect from what I have heard. The 4.0 liter V6 is chain. The previous V6 and the 2003 V8 are both belt.
chain
The 2.4 liter 4 cylinder has a timing CHAIN but the 3.0 liter V6 has a timing BELT
According to the Gates website the 4.7 liter V8 in a 2003 Toyota 4 Runner has a timing BELT , it is an interference engine , change the belt at 90,000 miles , and it also has a water pump that is driven by the timing belt
The 3.3 liter V6 has a timing CHAIN and the 2.4 liter , 4 cylinder , has a timing BELT
timing chain
The 2.0 liter 4 cylinder in a 2003 Toyota RAV4 has a timing CHAIN
The 4.0 liter V6 engine in a 2003 Toyota 4 Runner has a timing CHAIN
In a 2003 Ford Ranger : The 2.3 liter DOHC four cylinder engine has a timing CHAIN The 3.0 liter " Vulcan " V6 engine has ( 1 ) timing CHAIN The 4.0 liter SOHC , V6 engine has ( 3 ) timing CHAINS
The 4.3 liter V6 engine in a 2003 GMC Safari has a timing CHAIN