Just finished winterizing my 2003 21i w\ Mercruiser 350 mag engine & have to ask if it's normal to have belt residue all over engine compartment & engine\hoses\etc. Motor has about 100 hours on it, no belt change to date...It does seem like the upper right idler pulley has sharp ridges...Anyone know if there is a fix? Maybe the pulley is out of alignment w\ the others?
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serpentine belt residue.
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Link to the above mentioned service bulletin http://www.mercruiserparts.com/bulle...2003/EN_04.PDF
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