a silver screw in the bottom of the outdrive. put the drive unit as ';straight'; down as you can. on the engine is a small plastic bottle with green oil in it. remove the screw, then take the top off the reservoir(bottle). it takes a while, be patient. to fill, put the oil in the bottom 'til you reach the full mark on the reservoir.
Saturday, December 26, 2009
How do you change the gear oil in a 2003 mercruiser alpha 1 lower unit, can not find the drain plug?
the first response is correct. Remove screw at bottom and then remove screw at top of outdrive and resevoir cap. Go to your marine supply dealer and you will need 2qts of merc hi performance lower unit oil and also purchase the pump for it as it has fitting to screw into lower screw hole that makes it less messy. Always fill from bottom screw hole to top so that as it fills it purges the air up and out.Once it starts to come out top hole put top screw in then remove pump and put bottom screw in . Then get in boat and top off oil in resevoir . After running boat double check resevoir.and your good to goHow do you change the gear oil in a 2003 mercruiser alpha 1 lower unit, can not find the drain plug?
a silver screw in the bottom of the outdrive. put the drive unit as ';straight'; down as you can. on the engine is a small plastic bottle with green oil in it. remove the screw, then take the top off the reservoir(bottle). it takes a while, be patient. to fill, put the oil in the bottom 'til you reach the full mark on the reservoir.bloom-
a silver screw in the bottom of the outdrive. put the drive unit as ';straight'; down as you can. on the engine is a small plastic bottle with green oil in it. remove the screw, then take the top off the reservoir(bottle). it takes a while, be patient. to fill, put the oil in the bottom 'til you reach the full mark on the reservoir.
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