About every 12 to 18 months
It's usually recommended every 50 to 60 thousand miles.
I just spoke with a Parts person at a local Toyota dealer. He told me that the 2004 Toyota Matrix requires Iridium spark plugs, which retails for about $12 at the dealership, and it should not need to be changed until 120,000 miles.
No.
Models need to be changed as often as deemed necessary by the market. Different types of models need to be changed at different times.
There is no timing belt. It is a chain driven cam and there is no change interval. They get changed when the engine is overhauled.
It will last the life of the engine and is changed during a complete engine overhaul.
5yr/72000mls
every 100,000 km
Must be changed every 60,000 miles.
every 70000 miles
If you have a high pressure tanning bed bulb, it will need to be changed after about 1000 hours of use. Low pressure bulbs may need to be changed as frequently as every 600 hours.
You need a GM 75 series side post battery