2014 2500 Went Swimming - Chevy and GMC Duramax Diesel Forum
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post #1 of 20 (permalink) Old 06-30-2019, 12:16 PM Thread Starter
 
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2014 2500 Went Swimming

I recently bought a 2015 2500 hd and it has no gone for a swim. It was submerged in a saltwater pool for aprox. 5 hours. What’s my first step to getting this truck back on the road. When the key is turned to the run position there is absolutely no activity on the dash. Please help.
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post #2 of 20 (permalink) Old 06-30-2019, 12:34 PM
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Most insurance companies would total loss the truck due to water intrusion, not to mention salt water intrusion.

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post #3 of 20 (permalink) Old 06-30-2019, 12:34 PM
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post #4 of 20 (permalink) Old 06-30-2019, 12:53 PM
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Most insurance companies would total loss the truck due to water intrusion, not to mention salt water intrusion.
x2, short term: water shorting circuits that are active with key off. Long term: besides massive metal corrosion you'll get corrosion of the wiring causing more electrical faults like shorting to ground, shorting across circuits, etc.

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post #5 of 20 (permalink) Old 06-30-2019, 02:15 PM
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Please tell me theres pictures of this and you have to at least tell us the story of how the hell this happened.

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post #6 of 20 (permalink) Old 06-30-2019, 03:26 PM
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1st step is to charge the battery. While the battery is on the charger, using a hose, flush your alternator, starter, fuse box, and all electrical components, wiring, etc with fresh water. Same with everything on and under the dash. Let it all dry for a week to 10 days. Using a fan will help to dry things out a little sooner. Install 1 battery. Turn the key, see what happens. You might be lucky, but maybe not. It's going to be an uphill battle for sure. I'm guessing that the ECM, TCM, instrument panel, will likely have to be replaced. You'll find out soon enough.



I used to do some saltwater fishing with a friend in his boat and there was always salt water in the bilge, in the starter, and sometimes in the alternator. Kinda went with the territory. But as soon as we got home, we flushed those components with fresh water. Never had any problems with the electrical components because of the saltwater. It was fairly common for people to launch their trucks, vans, etc while launching their boats. More times than not, they would start and run while still on the launch ramp.

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post #7 of 20 (permalink) Old 06-30-2019, 04:00 PM
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Something fishy about this - he claims to own a truck that went into salt water, but is silent as to how it happened, or why he hasn't already notified his insurance company. I am not clear why this "Nielson" would want to give this fellow (again, assuming the initial post is legit) false hope.

It is one thing to get an unsophisticated device such as an alternator or starter in salt and then rinsed out - quite another given the fact that modern vehicles are essentially highly sophisticated computers with wheels.

Is it possible that we have folks in here so ignorant of modern electronic circuit-boards and what happens to them when they are in salt, even for a few minutes, when power was "on"...?
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post #8 of 20 (permalink) Old 06-30-2019, 06:35 PM
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You need to call your insurance company. Especially if it went in running..
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post #9 of 20 (permalink) Old 07-01-2019, 10:01 AM
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Quote:
Originally Posted by Ldh13 View Post
I recently bought a 2015 2500 hd and it has no gone for a swim. It was submerged in a saltwater pool for aprox. 5 hours. What’s my first step to getting this truck back on the road. When the key is turned to the run position there is absolutely no activity on the dash. Please help.
Call insurance, get rid of it, it will never run correctly again, and if it does you will be chasing electrical problems until either you or the truck dies. The only way to make that truck reliable again would be to literally replace with new parts all the wire harnesses, computers, displays, knobs, engine, transmission, basically everything except the frame and sheet metal, and even thats a gamble in salt water.

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post #10 of 20 (permalink) Old 07-01-2019, 10:10 AM
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Quote:
Originally Posted by Ron Nielson View Post
1st step is to charge the battery. While the battery is on the charger, using a hose, flush your alternator, starter, fuse box, and all electrical components, wiring, etc with fresh water. Same with everything on and under the dash. Let it all dry for a week to 10 days. Using a fan will help to dry things out a little sooner. Install 1 battery. Turn the key, see what happens. You might be lucky, but maybe not. It's going to be an uphill battle for sure. I'm guessing that the ECM, TCM, instrument panel, will likely have to be replaced. You'll find out soon enough.



I used to do some saltwater fishing with a friend in his boat and there was always salt water in the bilge, in the starter, and sometimes in the alternator. Kinda went with the territory. But as soon as we got home, we flushed those components with fresh water. Never had any problems with the electrical components because of the saltwater. It was fairly common for people to launch their trucks, vans, etc while launching their boats. More times than not, they would start and run while still on the launch ramp.


an electric motor and an alternator are very simple devices, all the wire is insulated in enamel and there is not very much in them to fail in water, hell you can run an electric motor submerged in water. A truck full of SMD semiconductor based technology and printed circuit boards is not going to fair as well as an electric motor. Not to mention the entire interior is trash at this point, the transmission, differentials, transfer case and engine all have water in them from the various breathers / intakes, and if the truck went in running, theres a good chance that if not hydrolocked, there is at least damage to the engine in the form of bent rods or valves from water ingestion. I dont foresee this truck running again, at least not without putting more money into the truck than its book value.

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