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Related Medium and Heavy Trucks Questions
Low oil pressure, just changed the oil about 500 miles
Low oil pressure, just changed the oil about 500 miles oil.... oil coming out of the dipstick … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
1996 3406E 5ek74754. Just did complete inframe-new rod
1996 3406E 5ek74754. Just did complete inframe-new rod bearings, new main bearings, new liners, new pistons, new cooling jets, new spacer plate, new cam, new head, new injectors, new oil pump, new rea… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
Have 3406e cat, smoke coming out exhaust. Did a cut out test
Have 3406e cat, white smoke coming out exhaust. Did a cut out test and says #6 is dead. Replaced injector and still same so decided to take exhaust of and theres oil coming out of exhaust port #6, wha… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
2009 kw with about 250thousand sentence I frame now blowing
2009 kw with about 250thousand sentence I frame now blowing excessive oil out of blow by tube … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
It 5.9 Cummins 12 v .... I got work order said smoke coming
It 5.9 Cummins 12 v .... I got work order said white smoke coming out from tail pipe and I was thinking it turbo but the turbo drive shaft is not loose (bearing) it hard the way it supposed to be n no… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 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 just recently started seeing more than normal blowby out
I just recently started seeing more than normal blowby out of the pipe. It's white and smells more like steam than exhaust. Antifreeze went down about a quart in 1000 miles. Nothing in the oil no bubb… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 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
5,234 satisfied customers
Hoping Cat Man can help here? I have a 2008 Pete with a Cat
Hi. Hoping Cat Man can help here? I have a 2008 Pete with a Cat 550 ACCERT, It has had an inframe and then a head gasket later. Anyways, engine is going through to much oil. No external leaks,dealer h… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 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
5,234 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
5,234 satisfied customers
Buddy just did inframe on detroit 60 engine, everything seems
Buddy just did inframe on detroit 60 engine, everything seems fine ,with horse power .Noticed small to medium amount of blowby(if this makes sense). Noticed oil leaking from flex exhaust pipe just rea… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Cat C7 engine just started blowing copious amounts of oil
Cat C7 engine just started blowing copious amounts of oil out of the blowby tube. The engine was rebuilt 300+ hours ago and has had no problems. The engine also does not appear to be running poorly as… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
im getting excessive oil out of my vent tube to the point its getting on my box I can see
im getting excessive oil out of my vent tube to the point its getting on my box I can see where its been getting on my exhaust. what would cause this I have good clean air filters. Cummins N14 2000 mo… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 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
5,234 satisfied customers
JUST DID AN INFRAME ON A CAT C15 WITH PLATNUM KIT,WHEN DONE
JUST DID AN INFRAME ON A CAT C15 WITH PLATNUM KIT,WHEN DONE TRUCK WAS RUNNING FINE CUSTOMER DROVE IT ABOUT 30 MILES LOADED IT WHEN COMING BACK WITH LOAD STARTING BLOWING SMOKE OUT OF EXHAUST AND BREAT… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 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
05 cummins m11 excesive blow by imediatly from cold start and
05 cummins m11 excesive blow by imediatly from cold start and when hot pours oil out blow by can fill gallon jug in about 30 minutes, inframed engine and rebuilt head and it still does it, with no smo… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

4,737 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,234 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

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

Jeremy

Jeremy

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ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, Network Engineer specializing in CAN faults, Aftertertreatment, and vehicle communications

cumminsdr

cumminsdr

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All types of Cummins applications

Curtis B.

Curtis B.

Technician

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Technician turned service manager on multiple lines of trucks and engines, used in industry.

Chris (aka-Moose)

Chris (aka-Moose)

Technician

353 satisfied customers

24 years of experience diagnosing & repairing

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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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