Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
I have a cat acert c15 had a few small sputters today and a
I have a cat acert c15 had a few small sputters today and a lose of power as if I was going up hill. Seems to idle great rev great but just not as much power. I opened the fuel water separator “metal … read more
Justin
Justin
Diesel Technician
Vocational, Technical or Trade School
8 satisfied customers
I need help im half way on a 07 pete 379 originally acert
I need help im half way on a 07 pete 379 originally acert put lower comp piston packs, switched harness to bxs 70 pin with repinned plug to 6nz and 70 pin ecm with 7cz file and motor works just no gau… read more
Justin
Justin
Diesel Technician
Vocational, Technical or Trade School
8 satisfied customers
2004 Peterbilt 379 with cat c15 mbn The truck starts fine in
Hello 2004 Peterbilt 379 with cat c15 mbn The truck starts fine in the morning , but after I get to operation temperature it will vibrate at idle then it will drive rough when I take off between 1000 … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
2002 379 pete c15 6nz cat .engine will not start without
2002 379 pete c15 6nz cat .engine will not start without either . has new fuel pump new injectors new cam and crank sensors new engine wiring harness new check valves new filter housing, new ecm. Has … read more
Edward Haniewski
Edward Haniewski
General Studies/Automotive
1 satisfied customers
FOR CAT MAN ONLY PLEASE! DO NOT ANSWER IF NOT CAT MAN. I
FOR CAT MAN ONLY PLEASE! DO NOT ANSWER IF NOT CAT MAN. I have a 2000 F-650 pickup with a CAT 3126b in it. Approximately 3000 hours of idling time and drive time combined with only 51k miles on it. Got… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
I have an 05 pete with a c15 the fuel fliter gauge is max
i have an 05 pete with a c15 the fuel fliter gauge is max out and light is on if you shut it off it looses its prime and you have to prime the fuel system before it will start. We have changed filters… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
I have a 1997 peterbilt 379 with a caterpillar 3406e 5ek
I have a 1997 peterbilt 379 with a caterpillar 3406e 5ek that's been having a sputter/miss fire issues. It only does the sputter or miss underload at around 1400rpms and 20-30psi boost it will stop on… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
Will ECM # MXS53551 work on my CAT C15 ACERT with engine
Will ECM # MXS53551 work on my CAT C15 ACERT with engine serial number BXS23070? … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
VinPeterbilt 379 c15 cat. Need torque specs and bolt pattern
vin(###) ###-####Peterbilt 379 c15 cat. Need torque specs and bolt pattern for injector rocker arms and jake brakes.… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
CATMAN i have a BXS01004 replacing engine sensor harness. i
CATMAN i have a BXS01004 replacing engine sensor harness. i already called both Peterbilt and KW with ESN and they both confirm this harness is the correct one. BUT, the oil pressure and barometric pr… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
3406 cat engine in 379 peterbilt needs rebuilt. was
3406 cat engine in 379 peterbilt needs rebuilt. was wondering if anyone can help me figure out which one i have because it does not appear to be the arriginal engine and all the plates are not on the … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
5,115 satisfied customers
I have 1996 peterbilt with a 3406e in i changed the rad,
i have 1996 peterbilt with a 3406e in i changed the rad, intercooler and harmonic balancer now i have no boost … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
Cat man! I have a 1996 peterbilt 379 with a 3406E, serial#
hello cat man! I have a 1996 peterbilt 379 with a 3406E, serial# ***** i'm looking at a 1999 3406E serial# ***** in a Volvo, both are original to the trucks, my question is can the Volvo motor be put … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
Have a 2004 peterbilt 379 with CAT C 15 engine. There is a
have a 2004 peterbilt 379 with CAT C 15 engine. There is a broken wire in ECM harness shorting to ground. Having difficulty finding the other end. Need a wiring diagram for power from battery box to E… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
Have a 2004 peterbilt 379. There is voltage drop after it
have a 2004 peterbilt 379. There is voltage drop after it has been running for about 5 min with lights and cab equipment dimming or stopping. Engine continues to run. Replaced batteries and continues.… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
hi, i recently purchased a 2000 peterbilt with a c-12 2ks serial number, from a long time
hi, i recently purchased a 2000 peterbilt with a c-12 2ks serial number, from a long time friend. the truck sat a lot, only has 117k on the odo, and the engine was rebuilt at 85k, due to a turbo losin… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,756 satisfied customers
My boss has a 1996 379 peterbilt with a 3406 E cat. Truck has
My boss has a 1996 379 peterbilt with a 3406 E cat. Truck has a 13 speed with 3:55 rears. The truck set for 2 years. He has a lot of $ tied up in it. The problem is they had the parameters changed in … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
I have a 2004 Freightliner with a CAT C10 Engine in it. This
I have a 2004 Freightliner with a CAT C10 Engine in it. This truck fires right up in the morning, however a couple hours of running and the truck just shuts down when at idle. I have ran the codes in … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

6,062 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

10,344 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

5,115 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,756 satisfied customers

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

Curtis B.

Curtis B.

Technician

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

cumminsdr

cumminsdr

Mechanic

1,886 satisfied customers

All types of Cummins applications

Chris (aka-Moose)

Chris (aka-Moose)

Technician

641 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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