1. Timing Belt Kit: The timing belt kit typically includes the timing belt, tensioner, and idler pulley. The price of a quality timing belt kit for a 2001 Toyota Sienna can range from around $100 to $250.
2. Labor Costs: The labor cost for replacing the timing belt can vary based on the hourly rate of the mechanic or shop and the complexity of the job. On average, it can take around 4 to 6 hours to complete the timing belt replacement. Assuming an hourly labor rate of $100, the labor cost can range from approximately $400 to $600.
3. Additional Parts or Services: In some cases, additional parts or services may be needed during the timing belt replacement, such as a water pump or coolant. The cost of these additional parts and services can vary depending on the specific needs of the vehicle.
Therefore, the total cost for replacing the timing belt on a 2001 Toyota Sienna can range between approximately $500 and $850, including the cost of the timing belt kit, labor, and any additional parts or services. It's always advisable to get quotes from multiple reputable shops or mechanics to compare prices and ensure you receive a fair and competitive rate for the service.