THe service charge depends on the car and type of engine. the most complex the job the more it will cost. typically it should be between 100 and 350 dollors if no other damage was done.
The average cost for replacing a timing belt is 250.00 Dollars - $750.00 Dollars the reason for this large range in prices is because all cars are different. In some cars the timing belt is relatively easy to get too. Where as on other vehicles you have to take off things such as engine mounts to get to it.
The service charge depends on the car and type of engine. the most complex the job the more it will cost typically it should be between 100 and 350 dollars if no other damage was done.all care are different In some cars the timing belt is relatively easy to get too.
Without knowing the make, model, an year it is impossible to say. You should call around to your local dealer and auto repair shops and have them give you a quote. This will be much more accurate anyway.