2003 engine... help me - Dodge Cummins Diesel Forum
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post #1 of 112 (permalink) Old 02-05-2017, 11:35 AM Thread Starter
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2003 engine... help me

2003 5.9 240,xxx miles

Truck has had some symptoms I'm worried are symptoms of needing a rebuild. At the very least I want to figure the best way to test it and get a definitive answer.
Symptoms are:

-Low mileage (still stock injectors)
-some blow by (sometimes visible while driving and stopped at a light
-oil coming out the breather tube and noticing it on the tailgate (not a drastic amount but just cleaned the front axle and have notice new spots)
-believe it burns coolant (there's a definite smell after driving that I don't think is oil)
-upper radiator hose was pressurized (bulging, after barely getting to temp and driving the truck for 5 minutes)
-truck overheated a few months ago when the water pump failed and I had to get off the road. Don't know how much it overheated but the gauge never pinged

So I know partially I'm paranoid. I've been waiting for this to happen ever since I started getting blow by. I am wondering how's the best way to test all this. The truck is sitting right now




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post #2 of 112 (permalink) Old 02-05-2017, 12:53 PM
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Get a shop or DIY run a manometer crankcase pressure test. You have the classic signs of piston/ring combustion gases blowby into the crankcase
Is the motor oil leaking out of the blowby tube and the blowby puffing out the tube?
Oil mist on tailgate, puffing out the oil fill hole.
Blowby amount/pressure is far more when engine is under load and rpms up.

Check the radiator for signs of champagne size combustion gas bubbles at 1500 rpms. There are hydrocarbon coolant test kits at auto parts store. Yes =s blown head gasket from overheat.

Any signs of white exhaust smoke on startup or driving? Does exhaust from warm engine smell like raw unburned diesel. Sign of leaking injector nozzle/s which destroys rings/pistons and leads to stuck piston and broke rod out the side of the block.

Pull an oil sample and send off to oil analysis lab for coolant and/or diesel fuel contamination and wear metals testing.

When you pull the injectors, run cylinder compression tests and send the injectors out for complete testing to a top end quality injector shop.

I would not drive it until manometer, injector, compression, oil, coolant tests are ran. These like to throw rods out the side of the block, can even take out the crankshaft.

Or just cut to the quick, pull injectors and have tested, run compression tests.
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post #3 of 112 (permalink) Old 02-05-2017, 01:04 PM Thread Starter
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It's out of the blowby tube, there's some flight puffing out the tube and oil has been pushed past the oil fill cap

Only ever noticed white puff a couple of times on startup. Only seeing it when the truck was started by someone else

I'll start looking up manometer test and a hydrocarbon test kit.

I have an oil sample from when it heated up and will also get another that's recent and will send both to get tested (I know it's probably better to just send the one but I'm interested to see)

Alright I'll


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post #4 of 112 (permalink) Old 02-09-2017, 09:16 PM Thread Starter
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Alright.... so I tried to do a DIY manometer. Didn't work.. the water didn't move at all so I'm not sure what to do with that. Maybe you guys can point me to why. Last pic is of the upper radiator hose and the pressure you can see by it bulging



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post #5 of 112 (permalink) Old 02-17-2017, 12:54 AM Thread Starter
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Here is the results from the two samples from Blackstone


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post #6 of 112 (permalink) Old 02-17-2017, 12:57 AM Thread Starter
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First one is after the water pump failed second is after I started noticing burnt smell of something and pressure in the cooling system


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post #7 of 112 (permalink) Old 02-17-2017, 03:44 PM
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I've gotten new tstats that were bad before that caused the bulged hose and over heating.

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post #8 of 112 (permalink) Old 02-17-2017, 09:15 PM Thread Starter
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Originally Posted by Garyp4951 View Post
I've gotten new tstats that were bad before that caused the bulged hose and over heating.


It's the old thermostat still never installed the new one but I'm going to put that in and replace the hoses


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post #9 of 112 (permalink) Old 02-18-2017, 12:22 AM
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Possibly you have a cracked ring. Have you noticed any loss of power? Pull the injectors out and compression test it. It is not that hard to do, there are youtube video showing the process. If you are not comfortable doing it take it to a shop and have them do it.

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post #10 of 112 (permalink) Old 02-18-2017, 02:35 AM
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Something definitely happened. Your engine is shaving iron. Pull your oil filter and open it up. Run a magnet through the oil (drain pan). Your aluminum and chromium are low, which are piston/rings, so you might be alright in that department so figure it out before you run it more. Got a lot of dirt coming in too, check your air intake. Dirt will cause iron wear.


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post #11 of 112 (permalink) Old 02-18-2017, 12:44 PM Thread Starter
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Possibly you have a cracked ring. Have you noticed any loss of power? Pull the injectors out and compression test it. It is not that hard to do, there are youtube video showing the process. If you are not comfortable doing it take it to a shop and have them do it.


I will probably have a shop do that just because I don't want to mess with the injectors and all


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post #12 of 112 (permalink) Old 02-18-2017, 12:47 PM Thread Starter
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Quote:
Originally Posted by 20:04:05 View Post
Something definitely happened. Your engine is shaving iron. Pull your oil filter and open it up. Run a magnet through the oil (drain pan). Your aluminum and chromium are low, which are piston/rings, so you might be alright in that department so figure it out before you run it more. Got a lot of dirt coming in too, check your air intake. Dirt will cause iron wear.


Where could the iron be coming from? I'll likely just see shiny particles in the oil right? It did not seem to shimmer any but could I be looking for shaving?


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