I tried to find out why the wipers were not working on an XK120 and decided to remove the wiper motor for further inspection. Once removed and stripped it was fairly obvious what the problem was. The white grease inside had gone solid and the whole wheel assembly had stopped turning, so a complete strip and clean was the only remedy and repack with fresh grease, reinstalled and Hey Presto!

MGB Wiper Motor

 

MGB Wiper Motor

 

MGB wiper

 

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