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Old 02-27-2006, 10:55 AM   #1 (permalink)
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engine leaks, need help with h20 pump issue!!!

Well after I found my coolant leak I dug around my motor for almost an hour looking at every little nook and cranny I could. I got out the flashlights and mirrors and started investigating and I found some leaks. The first one looks like it's coming from behind the balancer, I'm guessing it's the front main. It doesn't look that bad, it's just a little drip that if forming. I thought that it might be coming from one of the bolts that hold the timing cover on, is that possible.
The other one I can't really tell what it is. It's coming from around where the #5 injector line goes into the valve cover. I'm not sure if it's oil or fuel. There's also some kind of sensor right above that line, does anyone know what that is?
The last one I noticed is on the passanger side of the valve cover towards the back of the motor. it looks like it's just a small valve cover leak, but when I was looking at the valve cover I got a little confused, is the valve cover in two pieces? I'm not talking about the black cover with Dodge and 24V on it, below that it looks like there is like a wall (lack of better words) that sits on top of the head with a gasket in between and then the cover sits on top of that with another gasket in between them. The leak is coming from between the head and the lower part of what I think is all part of the valve cover. I've never had to mess with these motors before, so I'm just getting used to it and I guess I need a little help. Has anyone had similar leaks to these? Are they all easy and/or cheap fixes?
Two of these leaks are just a little seepage that I'm going to keep an eye on, but the one up front concerns me the most!

Thanks!
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Last edited by pipman; 03-01-2006 at 07:51 AM.
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Old 03-01-2006, 07:49 AM   #2 (permalink)
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O.k. I need help!!

I replaced my water pump last night. It was pretty easy, I left the fan and shroud on. I thought I would have to take them off, but it worked out that I didn't. I put in the new pump which included the pully and new o-ring. The hardest part of it all was the damn belt, it took longer to get the belt back on than it did everything else.:Complain: After I got it on I flushed the system with one of those Prestone kits. It worked pretty good, not a lot of crud in there at all. When I ran the motor after refilling the radiator I noticed that after a few seconds there was what sounded like a rattling noise. It sounded sort of like metal on metal. I shut it down and checked my bolts and everything else I touched, it all looked good. I started it up again and it was there. I drove the truck around for a while and the noise just got louder when the rpm's increased. When I got back I listened to it a little closer and it's more like a chatter, it's not a constant noise. You know the noise of a baseball card in a bike wheel, there's like a split second between each time it makes a noise, well that's how this sound is. But instead of a smack it's more like a rattle. I got a little curious and sprayed some belt dressing on the h20 pully and the noise went away for about 10-20 seconds then it came back. Is this just the belt slipping on the new h20 pully? Is this common? How much longer till I can expect it to go away? I thought it was something internal, but the belt dressing wouldn't fix that would it?

Sorry for such a long post, but I just wanted to be as specific as possible.

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Old 03-01-2006, 02:24 PM   #3 (permalink)
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That's a tough one. Probably not many 3rd Gen owners out there that have replaced a water pump already. Hopefully someone can chime in with a few suggestions.
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Old 03-01-2006, 03:40 PM   #4 (permalink)
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I would go back and take close look at everything you took off and make sure it is correct. Take that belt off again and spin that water pump and see what it feels like. Why did you have to change a water pump on a 03? You got that many miles on it. How many miles on that belt? What did it look like?
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Old 03-02-2006, 05:11 PM   #5 (permalink)
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I had to change the pump because it was leaking from the pully shaft. The belt is fine, there's hardly any cracks or anything that I could see. I thought of taking the belt off and spinning the pump, but it will have to wait a while now. I just tore my ACL in my right knee so I'm all torn up right now and on crutches.

Thanks.

Oh year the truck has 189000 on it right now. I'm not sure how many miles on the belt though.
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Old 09-28-2008, 04:16 PM   #6 (permalink)
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Just a little info I today found that my water pump is leaking on my 03' also. time for a replacement. I was changing my serpintine belt when I noticed the coolant that has been leaking down the motor. I have noticed a pool of water under it for a couple weeks but had chocked it up to the condenser from the AC I have been running alot well seems i was wrong.... where did you get your pump and how much?

PS. 110,000 miles first ever repair to this truck....could not be happier with my cummins
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Old 08-24-2009, 06:16 PM   #7 (permalink)
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I replaced my water pump bout 2weeks ago it was leaking. I spent 50$ at pepboys for a bosch one and it works great. I didnt expereince any unusual or new noises when i fired her up after changing it. It tooke me a few hrs to do. sry i dont got any advice ot similar things goin on i just wanted to say your not the only other one with an early water pump leak. I just turned 70k
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Old 08-24-2009, 08:16 PM   #8 (permalink)
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I once suffered from premature pump leakage... around 75k..
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Old 08-24-2009, 08:57 PM   #9 (permalink)
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PS. 110,000 miles first ever repair to this truck....could not be happier with my cummins[/QUOTE]

That's what I want to hear. Thanks for keeping us in the loop on your repair job. AP
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Old 09-26-2009, 06:30 PM   #10 (permalink)
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mine just started leakin out the weep hole i think. thats why im lookin at this post. im gonna change it tomorrow. anyone got any advice to help let me know.
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Old 11-05-2009, 09:57 AM   #11 (permalink)
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Replacing mine tomorrow

Mine (2005) was leaking for awhile but I never recognized where it was coming from - till the bearing totally let go and threw the belt (REALLY sucks-no powersteering,no brakes,no alternator) - going to start changing tomorrow - any tips would be appreciated - it's pretty tight to get my hands in there
Any tips on getting the belt back on would be great
JP
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Old 11-05-2009, 10:35 AM   #12 (permalink)
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Quote:
Originally Posted by jp402852 View Post
Mine (2005) was leaking for awhile but I never recognized where it was coming from - till the bearing totally let go and threw the belt (REALLY sucks-no powersteering,no brakes,no alternator) - going to start changing tomorrow - any tips would be appreciated - it's pretty tight to get my hands in there
Any tips on getting the belt back on would be great
JP
JP, I have not replaced my water pump but I have done the alternator (2 weeks ago) and replaced the serptentine belt in June. I used a cheater bar and a tie down strap to hold the tensioner pulley back in the relaxed position. That allowed me the room to get the belt on and also the alternator in. Do a search for water pump repairs and you may find some useful info in your quest for knowledge. AP
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