hello all , ive bought a vauxhall frontera 1998 2.2 dti with the Isuzu engine and its needs a new crankshaft pulley , bought the pulley but i understand the 2.2 dti engine is chain driven and you have to be carefull when taking the old one off, can any one give me any help is it just a case of taking the old one off and ensuring it goes in the key ok?

thanks
andy