Quote:
Originally Posted by Ladeef
Used to deal with Saabs, they sludge a lot, engine cleaner will never work on sludge. Engine has to be dismantled and oil passages cleared out if any chance of recovery.
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http://www.bgprod.com/blendr/stickyProblem.html
We have had good results with this but there is only so much it can do.
otherwise dismantle and clean with a parts cleaner... have fun