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Overfilled engine oil, can the diesel engine survive that?

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Old 04-24-2012, 09:33 PM
4x4countryboy 4x4countryboy is offline
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Overfilled engine oil, can the diesel engine survive that?

Changed the oil in my truck last night, drove it to the car wash after the oil change because I left the HPOP cap off and blew oil all over....no more than a gallon so it didnt run out.

Started the truck up this morning, no problmes started great, started driving it to church and about 1/3 of the way there (3-4 miles) it starts knocking and just BELLOWING SMOKE.



I checked the engine oil today and drained out the overfilled amount and it looks like close to 3 quarts, no more but probably real close. My question is how much engine oil overfill can a diesel survive?
And what does it screw up when its over?

I dont know how it got that full....but it did.

truck died when driving it today trying to make sure the air was out of the HPOP lines. Had to get it towed home and now it sits.
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Old 04-24-2012, 09:42 PM
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Usually overfilling just causes the crank to agitate the oil and cause it to foam. Did you fill the engine oil, then fill the HPOP reservoir or something?
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Old 04-24-2012, 09:46 PM
4x4countryboy 4x4countryboy is offline
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No forgot to fill the HPOP resevoir at the time..which I am glad I did now, otherwise it would been that much more overfilled.
Ok so its not a big deal but best to keep it within the recommended ranges correct?
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Old 04-24-2012, 10:14 PM
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Originally Posted by 4x4countryboy View Post
No forgot to fill the HPOP resevoir at the time..which I am glad I did now, otherwise it would been that much more overfilled.
Ok so its not a big deal but best to keep it within the recommended ranges correct?
When you say "HPOP cap"...what are you talking about exactly?
After you drained the 3qts, did the knocking sound go away and the engine stopped smoking.

How much oil did you buy?
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Old 04-24-2012, 10:59 PM
4x4countryboy 4x4countryboy is offline
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The allen headed "cap" is what I am talking about.

and no the truck did not start back up. It hasnt started since it died and I had it towed home. still acts like its not getting diesel
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Old 04-24-2012, 11:04 PM
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The allen headed "cap" is what I am talking about.

and no the truck did not start back up. It hasnt started since it died and I had it towed home. still acts like its not getting diesel
Does the engine oil smell like diesel?
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Old 04-24-2012, 11:06 PM
renoduckman renoduckman is offline
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overfill

Dont know for sure. But a neighbor had his 02 overfilled big time at a Jiffy lube. It smoked an made a mess but has been ok in the long run.
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Old 04-25-2012, 01:11 AM
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Start over lol. Drain it and refill. 13 quarts goes in the motor, 2 in the filter. Dont touch your HPOP ever again unless you are replacing it.
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Old 04-25-2012, 07:56 AM
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What Trey said............ right.
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Old 04-25-2012, 08:37 AM
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Have you checked to make sure the HPOP is full? Once it starts, it will take a few miles to get the air out of the rails.
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Old 04-25-2012, 12:35 PM
4x4countryboy 4x4countryboy is offline
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Have you checked to make sure the HPOP is full? Once it starts, it will take a few miles to get the air out of the rails.
Yes it is full.
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Old 04-25-2012, 01:20 PM
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I know this is going to sound crazy, but I had a similar experience with how the truck was running, not wanting to start good, knocking like mad. Not much smoke though. It turned out to be the Cam Position Sensor. I don't fully understand it, but I went to the Navistar Parts counter and picked up a DU-87 CPS, put it in and the truck now runs fantastic. Like I said, I really don't understand it, but it worked for me. At least that would be where I would start as it is not that expensive and easy to fix.
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Old 04-25-2012, 03:15 PM
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A jiffy lube ? Really ? Your friend needs a re-boot, I realize that many people can't afford or have the skill (?) to do the oil change....but especially with a psd...you're asking for trouble at a jiffy lube, the economic times we live in should be a red flag, if you own a diesel....whatever the manufacturer....do your research, and and least....do your own oil changes
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Old 04-25-2012, 03:44 PM
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I put 16 quarts in the crank case at every oil change, so i intentially overfill each time.
Damaging these engines with too much oil? Please!
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Old 04-25-2012, 04:37 PM
87beater 87beater is offline
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Quote:
Originally Posted by dn29626 View Post
I put 16 quarts in the crank case at every oil change, so i intentially overfill each time.
Damaging these engines with too much oil? Please!
Exactly! What's an extra quart in an engine that holds 4 Gallons of oil?!? Mine gets a full 4 gals every time.
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