Belt

If clothing belt: Often tightly restrained sexuality or emotions; protectiveness.

If it is a belt such as on a car engine or machine: This may depicts how your power or energy is being directed or used. So problems with the belt would suggest that your powerful drives such as ambition, sexuality, desire for acclaim, are meeting with conflicts or obstructions etc.

Seat belt: This has to do with restraint and feelings of safety in emergencies. So not fixing it could be to do with feelings that you are not taking enough care in situations or relationships.

Useful questions are:

What function is this belt playing, and can I identify with or understand that?

What is the condition of this belt and what is it driving or linked with?

Can I feel this energy or drive in myself?