charles.harbert wrote:

Mazda vacuum (air) pumps are very common-check local wrecking yards ($20-30 I'd
guess). Make sure it  turns easily and is the smaller lighter model (don't know
what yrs). They mount to the water pump front cover and get the adjusting arm
too. Just  connect up to the suction side and pipe it to the vacuum reg. Piece
of cake.

 
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