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3rd Gen Dakota 2005+ Dakota's

emergency- Just replaced water pump- now engine shaking and ticking

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  #1  
Old 07-25-2013, 06:27 PM
calixdakota calixdakota is offline
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Default emergency- Just replaced water pump- now engine shaking and ticking

hey all
was procrastinating replacing my water pump after noticing a leak
I was driving and heard squeeling then temp gauge shot up and then engine light came on
drove another 5 min ..bought water pump and replaced it, now the engine is wobbling back and forth, and there is a new constant ticking noise, and when I turn the engine on there is a snap noise sometimes,
im just googling now some thoughts..
what can anyone here tell me?
any help anyone?
dodge Dakota 2007 4.7 V8.
sparkplugs? coil pack? lifter?
help asap please idont want to drive my vehicle wit this going on
please thoughts and ideas thanks
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  #2  
Old 07-25-2013, 06:31 PM
calixdakota calixdakota is offline
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+ I was able to replace it withought removing rad or draining anything. hope that didn't have anything to do with it? as the videos I watched online they showed removing it and draining the reservoirs and stuff, I figured that was just making it accessible.
thanks
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Old 07-25-2013, 06:33 PM
calixdakota calixdakota is offline
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+ I can feel the ticking through the gas pedal when I drove it about 100 yards I haven't drove it much since.
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Old 07-25-2013, 07:49 PM
Prismatic Prismatic is offline
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Unfortunately, your first mistake was driving it with a leak.

Your second mistake was continuing to drive it after the pump gave out and your truck overheated.

Your third mistake was doing this to a 4.7.

Driving the 4.7 five minutes with no cooling after overheating, i'd wager you've caused some irreparable mechanical damage to the engine. A head gasket at the least.
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Old 07-25-2013, 08:43 PM
calixdakota calixdakota is offline
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Should I change the oil ? someone suggested that the oil may have been scorched where it all over heated?
it is synthetic, the dip stick seems to show its not too burnt or smelly.
either way - let me know, before I try driving it tomorrow morning I will probably change it and see how far I get with this ticking, the shaking of the engine seemed to stop.
thanks
positive feed back please.
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Old 07-25-2013, 09:11 PM
PublicHair PublicHair is offline
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Your motor is toast dude. Huge mistake letting it run over heated like that for 5 minutes. These 4.7 motors hate heat and its common for them to tweak from heat.

Unless you forgot to plug in a silly wire somewhere, my money is on a toasted motor. If no visible leaks external while running make sure you sniff your exhaust as it could be burning internally.

If that's the case.. Serves you right for driving it like that. This should teach you
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Old 07-25-2013, 09:12 PM
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I've heard the 4.7 does not like to be overheated. At all. Dropping valves or something like that. I dont think changing the oil will do anything. You need to get it to a shop and have them diagnose properly.
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Old 07-25-2013, 09:46 PM
Anthony Grego Anthony Grego is offline
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depending on how early that motor was built it technically coulda been built when Mercedes owned dodge. the 4.7 came from their 4.5. only a few tweaks for the truck market. problem is they used the Mercedes head design with valve seats that are fitted to the heads not machined into them. which means when they get hot they can unseat, warp, fracture, drop out. Mercedes engines absolutely hate hate HATE heat. and since the top of the cylinders are the hottest part of the engine even a little overheat shown on the gauges is a huge heatup on the heads. my vote if the engine isn't shot to hell. the heads are fried, try testing for compression loss on each cylinder, look for cracks, check out your spark plugs for signs of scorching effects on the ceramic.
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Old 07-26-2013, 12:05 AM
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I feel for you man, I do. This would devastate me. Once you figure out what's up, (probably a swallowed valveseat and dropped valve) keep in mind there's a 4.7 motor with 76k for sale in utah.
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Old 07-26-2013, 03:08 AM
LoCatus LoCatus is offline
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Recommend: !DO NOT DRIVE THE TRUCK UNTIL YOU HAVE FIGURED OUT THE ISSUE!
!!Every time you start it, you might just be risking totally destroying the engine!!

In other observations....
O'rielly auto parts will sell you a long block for around $3,600.00
Just the heads are around $500 a pop. But then, you are most likely going to need more than just a re-manufactured head.
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Old 07-26-2013, 09:45 AM
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There's a reason they call them Idiot Lights. When all other warning signs are ignored - leaks, noise, smells, temp-guage, . . . . the idiot lights come on. If this ever happens, stop, STOP NOW! Shut everything off, wait for professional assistance!

She's toast man, maybe just (A) a dropped valve seat - clattering around on the valve, or (B) maybe swallowed by the cylinder and scorring the he!! out of it. If it is (A) just rattling around on the valve stem and preventing proper valve action, a head might be your fix. Every time you start it, you increase the chances that (B) will happen.
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Old 07-27-2013, 01:46 AM
Neil Hall Neil Hall is offline
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sounds too me that it's time too get a new motor. personally I wouldn't be surprised too see something wrong with the piston rings. drop the oil, see what it looks like. just my 0.02$
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Old 07-28-2013, 05:38 PM
calixdakota calixdakota is offline
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thanks to most of you for your supportive posts.

When towing my truck, they should pick it up from the back correct? and put it in N? 2007 dodge Dakota 4x4 V8

I have synthetic oil in there, I checked the dipstick, it seems a bit milkier and darker then usual.
and smells a bit burnt.
it possible just changing the oil might do something.

I haven't turned the truck on now since the day it happened, when I was trying to distinguish the difference in amount the motor was shaking from regular. and aswell a new knocking noise.

anyhow , im having it towed tomorrow morning to hopefully get some insight.
the dealership cant see it for a full month. so I have a nother garage looking at it

so I should have them check head gaskets , check for compression in cylinders, dropped valves swallowed valves, check for scorched sparkplugs?
thanks again everyone who wasn't feeding off my misery. **** happens to the best of us. just because I drove 5 minutes before I realised my temp gauges was at the top , and as soon as I saw that the light came on and I pulled over.
and got abus an got the water pump and replaced it on the side of the road.

because of this im missing out on a big job I just won a bid on.

just replacedmy transmission and drive shaft, I am an idiot for not doin the water pump I just didn't notice any apparent signs. no squeelin, over heating anything until the final 5 minutes of the trucks apparent life...
thanks again guys
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Old 07-28-2013, 05:41 PM
PublicHair PublicHair is offline
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Milky oil = warped or cracked head thus allowing coolant to leak into the motor/oil.

Engine is toast, like stated.

So moral....don't drive an overheated truck ;-) sitting on the side of the road for 45 minutes would have saved you $3,500

I will agree that its stupid vehicles don't "ding" when dummy gauges exceed a point of concern because of all driving days, vehicles break down a handful of days vs the hundreds/thousands of days driven. So looking at those specific gauges isn't a habit like looking at the speedo

Last edited by PublicHair; 07-28-2013 at 05:44 PM..
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Old 07-28-2013, 07:08 PM
calixdakota calixdakota is offline
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so is it a possibility its the head gaskets alone that are fried? and replacing them is a possibility?
I just had a look online, it may be possible to get a set for 250-400.
could this be my fix? the engine seemed to be shaking more then usual and a new knocking noise..
anyway thanks, let you know what happens tomorrow.
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Old 07-28-2013, 08:01 PM
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The head gaskets could be the least of it. They probably warped, and would need to be milled or replaced. If a valve seat was dropped, it could have punched a hole in the side of the cylinder, draining water into the cylinder.

The long and the short of it, head gaskets going bad can cause milky oil over time. You ran it for a very short time and have milky oil. That means obliterated gaskets, heads so warped it pours into the cylinder, cracks or holes in the block somewhere...
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Old 07-29-2013, 03:56 PM
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Sorry if you found my comment a little harsh - it was meant to be general in nature and not calling you an idiot, I don't even know you.

Head gaskets go quickly generally for one reason, something is out of plane - the heads get too hot, they are secured around the head bolts, but can't take the thermal stresses between the bolts. The head is now warped, and the gasket can't keep the pressures in. The head will not cool down and go back to its original shape. Best case, no damage other than head gasket and warped head(s). Replace the head(s) or plane them and reinstall, depending on how far they are gone. The oil will have to be changed, no matter what. It might be diagnostic to drain it first, but . . .

Sorry you had to pass on a job because you are lacking a truck, but wouldn't renting one make sense? Maintain your reputation and make a little bit of money?

If you haven't had it towed yet, you will need dollies I think. Unless it is a really short distance, you will mess something up on an all-wheel drive truck.
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Old 07-29-2013, 04:43 PM
Alfons Alfons is offline
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There are a lot of people that don't have experience or understanding of how an engine (or anything mechanical) really works or what can be catastrophic. This also means that once a serious incident has occurred, they don't have much idea of how to recover, and garages all over the planet love to get these people into their shop. In this case, I would take it to a shop for a diagnosis, but if it does turn out that there is serious damage to the engine, I would not let them fix it. It will be cheaper to get a salvage yard engine (complete) and swap out the broken one for a running one and then look after it. It still won't be cheap to get the diagnosis and then swap engines, but at least it will be less than the truck is worth.
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Old 07-29-2013, 05:13 PM
calixdakota calixdakota is offline
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okay! so I got the dak towed to a garage at 830 this morning..
stuck around to tell them to push it into the garage not drive it, and they said "well if its ****ed its ****ed driving it that far wont do anything worse"

then i get a call around 3pm saying,
" you dont owe me a cent buddy, the mechanic turned it on an said that its ****ed and you need to replace your engine"

so ANYWAY, i tows it home...
gets inmy driveway fiddlin around, did a test on each of the sparkplugs.cylinders - unpluggin each one and turning the engine on and noting any loss or not loss of power..
seemed to have singled out the cylinder which did not make a difference when i unplugged the coil plug. seemed to run smoother with it unplugged and idrove it around the block a couple times...
didint seem to be over heated. but DEFINITELY loss of power.
do you guys think it is possible to drive a bit until i replace the engine?

i found a new one for 1800+tax..and then labor to install around 750..

i have a job about 40km there and return total..need to get out there probably 4-5 times to complete the job to do the swap

think i could pull it off this off???? am i going to do any more damage to other components??!!!?!?
do not flame (insult) me please

northgator- thank you for the re reply
no rentals left in my city as it is tourist season and they rent up all the uhauls and storage facility rentals as well, i called, i found a cargo van for $79 a day taxes in they rent it twice a day , so two rental payments and 2 insure cost plus .49ct a KM.

The mechanic wasted my time telling me to tow it down there where it didint even bother doing any diagnostics, i should have made them pay for my tow come to think of it now.
but in turn he would say i owe him minimum so and so and he was doing me a favor by telling me to replace my engine, rather then doing any diagnostics when its possible it could be something simple.
but maybe they just know.
i would bring it to DODGE dealership but earliest they can see me is aug 27. i made the apt anyway.
I will change the oil as I also believe that is necessary as it became scorched.
should i replace the filter as well or just drain it?
AND sorry
edit
I just saw your comment about needing dollies..
i guess 45 dollars a tow these guys forget to mention that.
trucks been towed twice..
let me know what im getting my self into if i consider driving with a cylinder unplugged!?! should i go buy a compression tester to double check they cylinder

Last edited by calixdakota; 07-29-2013 at 05:25 PM..
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Old 07-29-2013, 08:11 PM
PublicHair PublicHair is offline
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You can do whatever you want. Your motor is trash.. If it runs why not drive it? What's it going to do, die?
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Old 07-29-2013, 08:11 PM
 
 
 
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