Reasons for hearing these type noises could be that the fluid is low, damaged or worn bearings or input gear shaft and/or output gear shaft. The first thing to check is the fluid if its full see if you can detect any metal and if so that should answer where the noise is coming from.
Contributing information to Swedish Auto Parts will help us build a very strong Volvo community and will enable Volvo owners to be informed regarding their car. To be a contributor to this FAQ or to create a new FAQ we need a small write up with or without photos. We will edit the info and put it on the site with a kudos to you (if you want the credit). If you consistently contribute we give you discounts on any orders that you place. Volvo owners everywhere will appreciate your contributions.
This is the place to answer questions. If you ask a question using this form, you will not receive an answer. Please use the Technical Inquiries Form to ask questions.