Burning rubber smell on laundry after machine wash

2 questions here.

1) Is the rubber smell likely caused by a mechanical fault (worn out clutch etc) or should I try to remove the smell using bleach or similar?

2) If it's a fault, approximately how much is a typical call out service and replacement parts (say for something like a clutch). The machine is not under warranty.

I'm trying to weigh up the cost of a callout/replacement vs buying a new machine.