Does the 2004 4runner have a timing belt or chain
Your 2004 Toyota 4Runner has a timing belt if it is a V8. This belt must be replaced every 90,000 miles. Warning: This is an interference engine. Severe engine damage will be done if the belt breaks. If you have a V6 then it has a chain which should last the life of the engine.
The 2.4 liter four cylinder in a 2004 Toyota Camry has a timing CHAIN
http://www.toyota.com/help/faq-service.html 2004 Toyota Mtrix has timing chain
Chain
Your 2004 Toyota RAV4 has a timing chain that is designed to last the life of the engine.
If it is the 4.0 liter engine with the oil filter on top then, no, it has a chain. It actually has 3 chains. The 3.4 liter Tacoma (and 4runner) engines have a timing belt.
The 2004 Toyota 4Runner has a V6 engine.
The 2004 Toyota 4Runner has 24 valves.
In a 2004 Toyota Highlander : The 2.4 liter four cylinder has a timing CHAIN and the 3.3 liter V6 has a timing BELT
Timing_chain_diagram_2004_toyota_ce
no the 4-cylinder model has a timing chain