Water in the cylinders causes "hydro-lock". The pistons can't move up because water won't compress. Remove the spark plugs, then crank the engine and the water will be pushed out the spark plug holes. It's best to bypass the starter relay to do that so you don't have to turn on the ignition switch. That means there won't be any spark or injectors firing. You can also pop the cover off the starter relay and squeeze the contact, or you can go right to the starter and jump the large battery terminal to the smaller terminal next to it.
Check the oil level and transmission fluid level. Both should be sealed but if water had time to sneak in the level will be higher than normal on the dipstick. If either one is seriously overfull it should be drained and refilled before cranking the engine.
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Tuesday, July 16th, 2013 AT 12:16 AM