Check the owners manual, usually every 80,000 to 100,000 miles. I would not go over 100,000. If it breaks it will cause etensive damage to your engine. The $600.00 service is well worth it. Also make sure to change the water pump at the same time, the water pump is driven by the timing belt on Hondas.
how to replace fuel pump on honda civic 2004
how to change spark plugs in 2004 honda civic lx?
Never, the 2004 Civic SI has a timing chain as do all K Series engines.
Sean
The 2004 Honda Civic has 16 valves.
The 2004 Honda Civic is a gas-powered vehicle.
The 2004 Honda Civic has an inline 4 engine.
The 2004 Honda Civic has a 5-speed manual.
There is no carburetor on a 2004 Honda Civic. It will be fuel injection.
The 2004 Honda Civic has single overhead cam (SOHC).
The height of the 2004 Honda Civic is 4 ft. 8.7 in. (56.7 in.).
replace air filter on a 2004 Honda civic