98 V70 is recommended every 70,000 miles. 1999 through 2003 is recommended every 105,000 miles and 2004 on is recommended every 120,000 miles. You also want to replace the timing belt tension and idler with each belt. It has been my experience working in a dealership that sometimes the belt may start developing cracks and wear from the enviroment it is exposed to. Therefore if the belt looks to be in a less than ideal condition you may wish to consider replacing it before the mileage to be on the safe side since these are "interference" motors and a broken timing belt will cause a lot of expensive damage.
Need alternator belt routing on XC70 2003 Volvo
not for changing the belt. however you will need it for the ignition timing once you have replaced the timing belt
This link has the pics you need. Volvo 2.3 Timing Marks Pics
there is a timing chain on the car no belt.
The timing belt should be changed every 90,000 miles.
How to replace a timing belt on Honda accord 94
Belt manufacturers recommend changing timing belts every 60,000 miles.
According to the owners manual, 2005 Passat TDI timing belt needs changing on the 100,000 mile service.
The Pontiac Vibes (all models to date) do not use a timing belt, but are equipped with a long lasting timing chain.
You do not need to, but it's highly recommended.
No, changing the timing belt on a Toyota Highlander 4 cylinder is not difficult. You will need to remove the skid plate from under the vehicle to access the belt more easily.
generally a timing belt only needs replacing when it breaks