car hydrolocked help!!! - Mercedes-Benz Forum

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post #1 of 7 (permalink) Old 01-05-2008, 07:04 PM Thread Starter
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car hydrolocked help!!!

so i drove over like 4-5 inches of rain and my car hydro locked and the dealer saids that i need to replace the motor and the warranty doesn't covers it. What should i do the car only have about 10000 miles on it and is it really necessary to replace the whole motor? Please help
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post #2 of 7 (permalink) Old 01-05-2008, 07:28 PM
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Water doesn't compress, so you've almost certainly destroyed the engine - the connecting rods may be bent. How fast were you going to be able to ingest that water into the air intake????

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post #3 of 7 (permalink) Old 01-05-2008, 09:46 PM
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mike tee is right, if you bent a rod or spun a bearing you have problems. Either way you will have to rebuild the motor, as far as replacing it i don't think so. Good luck!!!
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post #4 of 7 (permalink) Old 01-05-2008, 09:57 PM
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Considering that your car only has 10,000 miles on it, it wouldn't have a M119 or M104 motor or older therefore, yes, with a bent rod, the engine block would also be damaged. The block is unmachineable. (Including all motors after the M104/119).

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post #5 of 7 (permalink) Old 01-06-2008, 06:51 AM
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most people go through insurance when this happens. you might as well too as a new engine is around 10-15K and up, not including labor to install.
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post #6 of 7 (permalink) Old 01-06-2008, 08:35 AM
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you can have the heads pulled off and the pan then go from there .

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post #7 of 7 (permalink) Old 01-06-2008, 09:37 AM
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Hydro-lock at low speed doesn't have to mean engine damage. Even if a rod is slightly bend, it can be replaced.
I would start with pulling the plugs, making sure there is only oil in the pan and trying to turn the engine. With some luck (actually lot of them) the water will blow off and the engine will fire up. I did lot of water drainage from my PWC engine, but that is 2-stroke.
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