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View Full Version : how unscrew that big pulley


staszekgra
09-01-2007, 22:03
how easily take down big pulley (GMC 1984 model)?
is possible that engine oil goes out tru water pump/WP seals?
simon
09-02-2007, 21:59
The waterpump has no oil connection.
The crank pully has 4 bolts attaching it to the harmonic balancer wich is keyed to the crank and held in by 1 bolt, this one could be fairly tight.you need a puller to get the balancer of in most cases.