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Related Medium and Heavy Trucks Questions
Blowing oil out dipstick, have replaced air compressor,
blowing oil out dipstick, have replaced air compressor, turbo, and done in-frame. still blowing oil … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,996 satisfied customers
I just bought Pete 379 with C-5 and it's blowing lotta oil
I just bought Pete 379 with C-5 and it's blowing lotta oil out the blow pipe … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,996 satisfied customers
Just in framed my mxs c15 last week its been about 600 miles
just in framed my mxs c15 last week its been about 600 miles and every time i pull a big hill loaded at 105k i lose about a gallon of oil out the blow by tube, which it did that before the inframe and… read more
Eddy
Eddy
HD Truck Tech
GED
2 satisfied customers
I have a 1886 international tractor that has water leake
i have a 1886 international tractor that has water leake under load/ its not going into oil but comming out of the puke tube loosing all antifreeze while runnning under load can stop and let tractor s… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,632 satisfied customers
3406e blowing oil out blow by I have replaced air compressor
3406e blowing oil out blow by I have replaced air compressor and didn't solve problem so I replaced turbo with new one fixed problem for 3 days 1800 miles now dioing it again does it worst under a lon… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,996 satisfied customers
We have a series 60 that is blowing oil out the dipstick
We have a series 60 that is blowing oil out the dipstick tube and through the valve cover gasket. Seems to only happen when jaking.… read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
829 satisfied customers
Having oil blow by on a 3406e cat engine, serial # is
I am fixing it myself I have not tried anything at this point it has no loss of power does not smoke … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,996 satisfied customers
1998 3406e cat has gone through 3 turbos in the last 4
1998 3406e cat has gone through 3 turbos in the last 4 months. it happens when under load ( taking off from a stoplight ) loaded . and it keeps wiping out the bearings . good oil pressure . oil usuall… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,996 satisfied customers
My detroit 12.7 has started blowing valve cover seals and
My detroit 12.7 has started blowing valve cover seals and oil pan seals have wash screen in valve cover but still does it … read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
I have a 1999 cat 3406e 2ws. Overhauled 52,000 miles ago. On
I have a 1999 cat 3406e 2ws. Overhauled 52,000 miles ago. On long hard pulls when the turbo boost is running 35-40 psi. It starts blowing oil out the blow by. New turbo and air compressor at overhaul.… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,996 satisfied customers
I have detroit 12v92 TA in a sportfish. Fresh in-frame
Hi, I have detroit 12v92 TA in a sportfish. Fresh in-frame rebuild , including heads. 12 hrs in, sucked a valve, took out turbo. What would cause a brand new valve to fail on a new motor that appeared… read more
Curtis B.
Curtis B.
Retired service manager
Associate Degree
3,486 satisfied customers
Cat Man, I have a 3406E that has a tremendous amount of blow
Cat Man, I have a 3406E that has a tremendous amount of blow by. pulled the turbo drain back tube off and its fine no exhaust coming out. Is there anyway the air compressor can cause this? also have w… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,996 satisfied customers
I have a 3406e an just had inframe rebuilt, and just put vavls,and
I have a 3406e an just had inframe rebuilt, and just put vavls,and valv gide, new oil cooler, water pump. when I got the truck back its having exsevise blow bye coming from, blow bye tube and dip stic… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,996 satisfied customers
Hey Catman. I have a truck engine 3406e 5ek. we have oil blowing
Hey Catman. I have a truck engine 3406e 5ek. we have oil blowing out of the filler tube and the dipstick tube. we removed the breather on the valve cover and it is doing the same thing. Any idea what … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,996 satisfied customers
Hello Sir. I have a cat c15 acert 475 590k miles on a pete
Hello Sir. I have a cat c15 acert 475 590k miles on a pete 379 car hauler of which I am in the middle of a "rebuild". I was very unimpressed by the massive blow by issue I have. I even enlisted your k… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,996 satisfied customers
Evening. I have an 09 Columbia with a C-15 @ 475. I have a
Evening. I have an 09 Columbia with a C-15 @ 475. I have a major oil leak. I used the better part of 8 gal to go 2300 miles. The oil covers the left side of the engine, starting from the rear of the c… read more
Travis A. Wells
Travis A. Wells
Truck Mechanic
Associates of Applied Science
15 satisfied customers
Have 99 freightliner with cummins n 14 thought turbo was bad
Have 99 freightliner with cummins n 14 thought turbo was bad because it was leaking at rear of turbo and had small amount of oil in air cooler tube. Put on friends used turbo and still oil coming out.… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
I have a 97 peterbilt 379 with a 3406e cat, for some reson
I have a 97 peterbilt 379 with a 3406e cat, for some reson my fuel tanks wont level, the other day, I still had 1/4 tank in the driver side, but the truck shut off while going down the road because th… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
3,400 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

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Owner at DJ Wilson

Cat Man

Cat Man

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I am ASE Master Truck Certified.

Wayne

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worked on, Gmc, Macks, Freight liner,Mercedes Benz,,Ford, sterling

Jeremy

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dieseldan55

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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