Worn-out fan belt bodged together with tie (4-6)
I believe the answer is:
flea-bitten
'worn' is the definition.
(similar in meaning)
I don't understand the rest of the clue.
(Other definitions for flea-bitten that I've seen before include "Tatty - infested with parasites" , "Shabby - run-down" , "Dilapidated, shabby" .)