Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
It keeps loseing its prim. 05 freightliner Columbia dd15.
Yes I'm fixing the truck myself I tried a valve that's on the fuel filter housing but I think it's the low-pressure fuel pump but I don't know how to test it … read more
Bradey V
Bradey V
Certificate
I have a 2006 387 with c15 acert i have water coming out of
i have a 2006 387 with c15 acert i have water coming out of the blowby pipe with lots of blow by and i beleive its water in the oil pan its greenish but not milky just had it rebuilt new sleaves,head,… read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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I have a cat 3126e and it is loosing boost. I have installed
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Cat D4D power shift trans how do you check the fluid level
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catmastertech
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1993 White GMC with n14 cummins putting oil into the
1993 White GMC with n14 cummins putting oil into the fuel/fuel tank. Replaced the o-rings on the injectors with no change and was wondering what to check next?… read more
Bradey V
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Certificate
I have another question about my Cat C15. I have a new head
I have another question about my Cat C15. I have a new head with new injector cups. Do I use the O-ring that is at the very tip of the injector?… read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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I am rebuilding the 3116. I bought new injectors. I took the
I am rebuilding the 3116. I bought new injectors. I took the head to a very large machine shop and instructed them to install new injector cups and pressure test them. This engine does not use a compr… read more
Cat Man
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Vocational, Technical or Trade Scho
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C10 cat wont start it has 40LBS of fuel pressure. just put
c10 cat wont start it has 40LBS of fuel pressure. just put injectors in it. its firing on #5 cylinder all are getting AC voltage … read more
Cat Man
Cat Man
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04 c 15 wants to skip and spoke at times no power. C 15
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Cat Man
Cat Man
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I have a Detroit series 60 ESN O6RO192659 in a 1994 Kenworth
I have a Detroit series 60 ESN O6RO192659 in a 1994 Kenworth T600. The concern is a random stumble or miss. I verified the concern but I find it far more than a "miss". It is a horrible miss apparentl… read more
spankyjr1
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I have a 2005 jcb mini cx backhoe, it keeps leaking
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Daniel Wilson
Daniel Wilson
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Cat man need to bounces some things off you I have a c9
hi cat man need to bounces some things off you I have a c9 engine industrial in a machine. I thought I had lick just had low fuel pressure code of 94-17 when I was cranking on ET had like 5 psi change… read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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Mr Cat Man, Im in desperate need of some help as I have
Mr Cat Man, Im in desperate need of some help as I have never ran into this problem before. I have a c15 mbn engine that has been showing multiple injectors bad. Even after installing a complete set o… read more
Cat Man
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Vocational, Technical or Trade Scho
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My cat 3126 engine knocks under heavy load we have checked
My cat 3126 engine knocks under heavy load we have checked it is getting air bubbles in the return fuel line from back of head that can be seen through a glass tube in the line this causes a loss of p… read more
Cat Man
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88 freightliner 3406 cat. Changed stat. How full do fill metal
88 freightliner 3406 cat. Changed stat. How full do fill metal resinous on top of raidiator. 1\2 - completely full ? Is their a sight glass ?… read more
Cat Man
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I have a 3406 e 1lw. Oil is leaking out of turbo return line.
I have a 3406 e 1lw. Oil is leaking out of turbo return line. Removed oil line. The end that pushes into holder that's bolted to block has a hard, almost metal looking o- ring. Kenworth sent me a oran… read more
Travis A. Wells
Travis A. Wells
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I have a 1999 International 9400 model with a 60 series
I have a 1999 International 9400 model with a 60 series detroit. Over the past week it has had a continuous crank before it starts. Before it would start as soon as the key turned. Recent overhaul abo… read more
FIX-IT
FIX-IT
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i have a 2006 cummins isx 500hp and 1850lb torque in a kenworth
i have a 2006 cummins isx 500hp and 1850lb torque in a kenworth heavy spec truck. it wont pull an empty set of super-b woodchip vans. i have done the delete of the egr last november. it has 2 codes fo… read more
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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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