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Related Medium and Heavy Trucks Questions
Is there a certain position the connecting rods go in as far
Is there a certain position the connecting rods go in as far as which side of crank is the rod bearing tab? … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
C15 acert engine light with code 93(actuator 3 is not
C15 acert engine light with code 93(actuator 3 is not responding) I already replaced actuator 3 twice, new harness, switched actuator mount 3/4 to 1/2,ECM replaced and the light still, after turning m… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
I have a 2000 year 6NZ C15 @ 550/1850 with 800,000 on out of
I have a 2000 year 6NZ C15 @ 550/1850 with 800,000 on out of frame rebuild. I am doing a ground up restoration on my 2001 Western Star, owned & operated for 16 years. I wanted to upgrade to C18 specs.… read more
Bradey V
Bradey V
Certificate
I have a question about C15 cat engine throttle position
I have a question about C15 cat engine throttle position sensors I'm wondering if they are interchangeable between a 6NZ and an mxs or sd … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
I converted my c15 mxs to a single turbo. got the program to
I converted my c15 mxs to a single turbo. got the program to delete my IVA's. Everything worked well for months then out of nowhere the engine started to derate me whenever I use my eng brake. If I st… read more
Bradey V
Bradey V
Certificate
Can you please get me the specs on a over head adjustment
Can you please get me the specs on a over head adjustment complete. I dont have a manual for a Acert I have done them many times on @ 5 ek 6nz but I dont have the PDF for a acert .Engine xeral # is bx… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
14,843 satisfied customers
On my Caterpillar C15 Acert MXS, I'm reinstalling the rocker
On my Caterpillar C15 Acert MXS, I'm reinstalling the rocker assembly, & there isn't a torque spec in my Cat Book for the holddown studs. Can you help? (I installed reman injectors)… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
Replaced head gasket on my c15 acert need to set over head
replaced head gasket on my c15 acert need to set over head have no book … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
I have a c15 acert and a 2001 c15 single turbo in a Pete can
I have a c15 acert and a 2001 c15 single turbo in a Pete can I swap them and what problems would I have… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
What are the possible causes c15 acert to give very
Hello sir What are the possible causes for cat c15 acert to give very excessive white smoke ( no coolant loose) Idealing is ok but as u give throttle white smoke increase and rpm goes up very slow wit… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
Cat Man we have a truck in our shop that has a MXS82507 ESN
Cat Man we have a truck in our shop that has a MXS82507 ESN but its rated at C-16 specs(###) ###-####00 what all would have had to been changed?… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
. Just rolled 1.1 million miles on my 475 hp acert in
Hello. Just rolled 1.1 million miles on my 475 hp acert in an 05 pete 379. I bought it at 570k miles from my dads rigging company in CA. It has been a VERY reliable engine for me. I have several ???s … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
I'm from California and I'm buying a 2008 Kenworth t800 with a 2007 c15 acert (a
I'm from California and I'm buying a 2008 Kenworth t800 with a 2007 c15 acert (approx 495,000 miles on the odo) because of the new CARB laws, and I've only heard bad things about the motor, aside from… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
I have a 2004 Peterbilt 387 with a 425 cat twin turbo accert
I have a 2004 Peterbilt 387 with a 425 cat twin turbo accert c15. It makes a sound similar to an exhaust manifold leak but I have checked the manifold gaskets, studs, and clamps around the turbos and … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
having trouble with c18 acert engine single turbo . Rocker
Hi having trouble with c18 acert engine single turbo . Rocker cam shaft breaking into half across where the bolts holes are .iam now on my third shaft can you advise what to do .… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
Can you show me the sequence or how do an over head valve and
Can you show me the sequence or how do an over head valve and injectors adjustment on a C15 Cat Thank you… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Hi Cat Man I am needing some help. I bought a truck with a
Hi Cat Man I am needing some help. I bought a truck with a SDP acert with broken rockers and housing. I replaced all those parts to find low power and was unhappy with engine I never drove an acert so… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
Im breaking rocker arms on my 2005 C-15 acert engine. Why
I'm breaking rocker arms on my 2005 C-15 acert engine. Why are they breaking? What is Cats cure for this. I'm tired of throwing money away.… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 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

Journeyman

14,843 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

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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

Mechanic

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All types of Cummins applications

Curtis B.

Curtis B.

Technician

1,571 satisfied customers

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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