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Old 09-14-2012, 10:12 PM   #1
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Exclamation Water Damage?

Ok the other day I went water fording "ish". The water was up to the floor boards with a little coming in through though the holes where the drain plugs would be. I got stuck in the mud.

The end of the tail pipe was underwater with air coming out of it. My friend pulled me out and I continued to go through it. After about the fifth try my engine started to putt and have trouble idling. I assume water got into the engine. My muffler leaks water a little bit near where the pipe from the engine enters it. (it always has, condensation I assume)

My friend pulled me out of the water again and my jeep had trouble running at low RPMs in first gear. Then after I kept it moving near 3000 RPMs for around 30 seconds it would pull out of it until I shifted into second, then the same thing happened again, and again in 3rd, 4th, and 5th. After shifting all the way through the gears like that it stopped bogging down like before.

I drove it all the way through today whith no problem except my alternator went out. I got home and opened the hood. The alternator was covered in mud so I decided to spray my engine off with a garden hose. My engine hated it!! It bogged down soooo bad. It was shaking terribly. Jumping from 1000 to 250 RPMs trying to idle I assume.

I just went to autozone and replaced the alternator myself with a 117amp one. Bottom line to my question is what is wrong here, is there water in my engine? Was the alternator the problem and I already fixed it? I need help cause I have no clue whats wrong here.
My jeep is a 2000 tj with a I4 2.5L

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Old 09-14-2012, 10:34 PM   #2
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Probably should check for water in the distributor cap.

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Old 09-14-2012, 10:48 PM   #3
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Get a water hose and spray the spark plugs without spraying the distributer cap, if there is any change in idle something is wrong with the spark plugs or spark plug wires, if nothing happens spray your distributor cap then that "should" be the problem, trial and error. Spray your distributor cap with silicone spray it tries to keep most of the water out next time you go out.
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Old 09-15-2012, 06:09 AM   #4
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Alright so I'm not to good with working on engines. Do I just unscrew/unbolt it and if there's water it will just be sitting in there? Then just use a shop vac and suck it out? Also if water is leaking into the distributor cap would it be a good idea to replace the seal?
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Old 09-15-2012, 06:22 AM   #5
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Unscrew and unbolt what?
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Old 09-15-2012, 06:35 AM   #6
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The distributor cap
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Old 09-15-2012, 06:46 AM   #7
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Lookie here now,,, if water was only up to your floorboards your engine should be ok, unless you were flying through the water, and splashing a lot.... What year? How many miles? Without that info it's very hard to say if your ignition system is shorting out because of moisture... There is nothing to unbolt... Get it running smooth if it will, and using a spray bottle,( like window wash bottle) wet down your ignition wires, If it starts to miss and idle rough you need new wires.. Then go to your distributor cap, spay it down, if the engine starts to miss and idle rough you need a new distributor cap.. If you took water down through the air intake and into your motor it would never again run smooth at any RPM, and would eventually up and die, in very short order.. My bet is on new ignition wires, and new rotor cap..
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Old 09-15-2012, 06:51 AM   #8
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Quote:
Originally Posted by Rubicondon53 View Post
Lookie here now,,, if water was only up to your floorboards your engine should be ok, unless you were flying through the water, and splashing a lot.... What year? How many miles? Without that info it's very hard to say if your ignition system is shorting out because of moisture... There is nothing to unbolt... Get it running smooth if it will, and using a spray bottle,( like window wash bottle) wet down your ignition wires, If it starts to miss and idle rough you need new wires.. Then go to your distributor cap, spay it down, if the engine starts to miss and idle rough you need a new distributor cap.. If you took water down through the air intake and into your motor it would never again run smooth at any RPM, and would eventually up and die, in very short order.. My bet is on new ignition wires, and new rotor cap..
Now that sounds like a plan! It's a 2000 I4 2.5L with only 46,000 miles on it. (pretty amazing right) I'm gonna empty out a windex bottle and fill it with water and go to work on the engine. New cords and a distributor cap sounds like a good investment anyway.

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