Want this question answered?
It should be replaced every 90,000 miles.
it has a timing belt...
seat belts have a unlimited warranty. the belt gets twisted and they replace for free!
The water pump is driven by the timing belt.
The timing of a 2004 Toyota Sienna should at approximately 75,000 miles. Failure to replace the timing belt at the appropriate time can result in costly engine failure.
Replace it every 90,000 miles. Warning: This is an interference engine. If the belt breaks serious engine damage will occur.Not true, 1999 Sienna DOES NOT have an interference engine
I think it is recommended at 90k.
how much does it cost to replace the timing belt in a 1998 Toyota sienna.
700 bucks for drive belt, timing belt, vane pump belt and spark plugs.
As for the maintenance schedule the timing belt must be replaced every 90 K miles.
I would replace the water pump, 2 idlers, tensioner and 3 seals (2 on cam and 1 on crank shaft).
Replace the belt.