How Much Does It Cost To Fix A Hydrolocked Engine. Small engines hydro locked remove spark plug or plugs make sure ignition is off or spark plug wire s are grounded. Whether a new or used engine is installed your hydrolocked engine repair cost is going to be in the thousands of dollars.

In short if you have an engine that seized repair costs will probably be high. If your engine does become hydrolocked you would need to figure out how much damage occurred to the engine. It doesnt matter if you had to cut through a flooded road by chance or by choice.
If there is a small amount of water the engine will make a rough sound.
However if the damage results from poor vehicle maintenance or irresponsible driving youll have to pay out of pocket and it costs between 3000 and 8000 to fix a hydrolocked engine. Answer 1 of 8. There might be fine print in your policy to be aware of regarding a hydrolocked engine. Thats going to cost way more than just a few hundred bucks.

