Cleaner with a disqualification caught coach (9)

I believe the answer is:

charabanc

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'coach' is the definition.
(type of coach or bus)

'cleaner with a disqualification caught' is the wordplay.
'cleaner' becomes 'char' (charwoman is a type of cleaner).
'with' means one lot of letters go next to another.
'disqualification' becomes 'ban' (I can't justify this - if you can you should believe this answer much more).
'caught' becomes 'c' (cricket abbreviation).
'char'+'a'+'ban'+'c'='CHARABANC'

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(Other definitions for charabanc that I've seen before include "Former coach" , "Early coach" , "An ABC arch (anag) - early excursion bus" , "Old tourist coach" , "Old vehicle" .)

I've seen this clue in The Telegraph and The Sun.

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