2004 Volvo S80 Q&A
2004 Volvo S80 Question: Whining noise
Hearing a constant and loud whining noise that coincides with RPM. Has progressively gotten louder over several months. Any suggestions? - Visitor
Get this checked immediately, it could be the timing belt tensioner and if that was to break, you're looking at thousands of dollars in repairs to the engine. How many miles do you have on the vehicle? - Bret Bodas
115,000 miles - Visitor
The noise I hear at most all times sounds IDENTICAL to a car horn being muffled by insulation or towels. Seems to be coming from the firewall side of the engine/compartment. Thanks and sorry for r...