:1) Disconnect your fuel pump relay ( see instructions here ) Very nice tech instructions here : [ www.ttzd.com ] click tech and then fuel filter replacement :2 Remove plugs and turn engine over to blow out the coolant from the cylinders :( see above site for plug removal: good time to replace or check gap ect. ) :DO NOT ATTEMPT TO START WITH COOLANT/WATER IN CYLINDERS - POSSIBLE SERIOUS ENGINE DAMAGE MAY RESULT DUE TO HYDRO LOCK !!! PISTONS ARE NOT DESIGNED TO COMPRESS WATER !