Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
I am trying to install the stabilizer bar of my 2004
I am trying to install the stabilizer bar of my 2004 peterbilt C15 475 eng. There is a deference in high in one of the hole that support the stabilizer; what do I have to do to level the stabilizer wi… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
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The instpn btry keeps blowing when I turn the ignition
the instpn btry keeps blowing when I turn the ignition switch on … read more
Daniel Wilson
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Power on the ground cables on 379 peterbilt year 2000. 379
power on the ground cables on 379 peterbilt year 2000 … read more
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Vocational, Technical or Trade Scho
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2001 peterbulit having issue with speedometer work
2001 peterbulit having issue with speedometer work intermittantly … read more
Mike Mcmillan
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Triage Tech/Shop Foreman
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We bought an 01 pete with a 550 c15 motor. Everything was
we bought an 01 pete with a 550 c15 motor. Everything was fine for the first few month. then one night while idling she shut off. Got up and started her right up. The next time a service guy had to co… read more
Wayne
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Vocational, Technical or Trade Scho
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Started truck this morning. It died due to low coolant.
Started truck this morning. It died due to low coolant. Added coolant and it won't restart. Just clicks. Before it dies, it sounded louder than usual … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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Ever since I had my c15 accert overhauled and added cats
Ever since I had my c15 accert overhauled and added cats heavy haul tune I can only get 40 psi of boost at best and it use to run 50 + I had it dynoed we got 442 to the ground after new fuel pump and … read more
Kent Van Wagner
Kent Van Wagner
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I have a cat c15 in a 2006 Peterbilt I had head gasket and a
I have a cat c15 in a 2006 Peterbilt I had head gasket and a new head put in 86000 miles ago and I think they put the wrong head in it. now I think I have a blown head gasket could the wrong head caus… read more
Cat Man
Cat Man
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Flashed ecm to 500 hp now I cant program personality module
Second opinion] flashed ecm to 500 hp now I cant program personality module without high interlock factory password. … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
I have a 06 379 and with the ignition switch on I have no
I have a 06 379 and with the ignition switch on I have no power to the switch that controls the blower fan I have checked the fuses in the relays … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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I have a2002 Peterbilt 379, C15 Cat, 18 spd. The speedometer
I have a2002 Peterbilt 379, C15 Cat, 18 spd. The speedometer quit registering mph and odometer miles. I tried another speedometer but it didn't work either. I replaced the sensor at the transmission b… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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I have a C15 6NZ no start. Getting fuel with pressure.
I have a C15 6NZ no start. Getting fuel with pressure. Checked with Cat ET and no codes. R&RAY primary and secondary engine speed timing sensors. Both were sized to wiring harness. Saved secondary wir… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
Just had a fresh overhaul on 6nz cat and now I have no power
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Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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Need code engine 2007 c13 broke down loaded with hogs need
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Have a 2008 pete with a c-15. just pulled a big ll and it
have a 2008 pete with a c-15. just pulled a big hill and it thre a code of check owner's manual. what does that mean? just had 2 new sensors put in today because it would not regen last nite… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
Yesterday my speedometer, odometer, voltage gauge and
Yesterday my speedometer, odometer, voltage gauge and instrument light cluster stopped working. Checked fuses and relays in fuse box as well as relay directly behind gauges. Could not resolve the prob… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
1994 Peterbilt 379 with 60 series Detroit diesel- The brake
1994 Peterbilt 379 with 60 series Detroit diesel- The brake lights only come on if I step on the brakes real hard. If I am using the brakes to slow down not stepping on them hard, they do not come one… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
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Hi Cat Man, Iam working on a C-15 CAT Accert Engine.Serial
Hi Cat Man, I'am working on a C-15 CAT Accert Engine.Serial # XXXXX engine was starting to run rough then it eventually just quit running.My customer said there was a code displayed on his dash comput… read more
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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

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

Jeremy

Jeremy

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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

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Curtis B.

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cumminsdr

cumminsdr

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All types of Cummins applications

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Chris (aka-Moose)

Technician

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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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