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Related Medium and Heavy Trucks Questions
I'm looking at buying a Peterbilt 379 but before I make the
I'm looking at buying a Peterbilt 379 but before I make the trip I was wondering if someone can give me the driveline specs on VIN: 1XP-5DB9X-8-PD324370 Seller claims it has 51,000 mi on it but I'm su… read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
64 satisfied customers
I HAVE 2002 peterbilt 379 vin 1XP-5DB9X-0-2N573748, ITS A
I HAVE 2002 peterbilt 379 vin 1XP-5DB9X-0-2N573748 … read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
64 satisfied customers
1996 Peterbilt 379 Vin 1XP-5DB8X-8-TN368732 Could you please
1996 Peterbilt 379 Vin 1XP-5DB8X-8-TN368732 Could you please get us the Engine cooing fan schematic for the auto and manual on off control switch… read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
64 satisfied customers
I have a older peterbilt 379 with cat 3406 e 5eks3231 serial
Hello I have a older peterbilt 379 with cat 3406 e 5eks3231 serial no engine . I am getting code pid 84 fmi 8 , koeo or running , Speedo shows 0 . The truck has a new sensor the jumper wires were cut … read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
64 satisfied customers
Jake brake stopped working on our 2002 Peterbilt 379. It's
Jake brake stopped working on our 2002 Peterbilt 379 … read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
64 satisfied customers
Pulled the light cord in a jackknife situation. It has a
Pulled the light cord in a jackknife situation. It has a hard wired cord. Scraped some wires bare but now have no power to cord … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
5,115 satisfied customers
I have a 1998 Peterbilt 379 with a 3406 engine in it. We
I have a 1998 Peterbilt 379 with a 3406 engine in it. We pressure washed the truck and engine bay recently. Ever since that we have been having the low water light come on in the truck. We have alread… read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
64 satisfied customers
2000 peterbilt 379, my dash is going crazy.. tach,, speedo,,
2000 peterbilt 379, my dash is going crazy.. tach,, speedo,, oil temp, which is even connected to the sensor on the oil pan,, all of them. Replaced relay behind dash left had side. Checked alt, proper… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
My 1999 379 peterbilt speed meter don't work I replaced the
My 1999 379 peterbilt speed meter don't work I replaced the speed sensor and my speedometer gauge is good … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
Need help with my blower motor. 1999 379 PETERBILT. Cab
Need help with my blower motor. 1999 379 PETERBILT. Cab blower and controls work. Bunk blower, doesn't not work. There is power to the blower but can't figure out why it won't turn on. … read more
james Roberts
james Roberts
Maintenance assistant
Vocational, Technical or Trade School
3 satisfied customers
I have a 95 Cat 3176B engine in my Peterbilt 357 and am
I have a 95 Cat 3176B engine in my Peterbilt 357 and am looking to swap it out and I would like to know what motor replaced it and would match up to it? I have been told 3406E “95-96” and others say t… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
I have a 2000 379 Peterbilt. I can not find the fuse the
I have a 2000 379 Peterbilt. I can not find the fuse the operate my bunk cigarette lighters. Please tell me where they are? … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,756 satisfied customers
96 peterbilt 379 with 3406e 5ek. Pin 28 for fan output has
96 peterbilt 379 with 3406e 5ek. Pin 28 for fan output has 12v with fan relay not installed but goes away with relay in… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
I have a wiper issue with a 2006 Pete, model 379, vin
I am. replaced the multi-function switch, replaced the wiper motor … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
Working on a 1998 Peterbilt 379 with 3406E. And I cannot get
Working on a 1998 Peterbilt 379 with 3406E. And I cannot get the compressor relay to switch on to power up the compressor which is new along with new accumulator and condenser. I can power it up at fi… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 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
I'm switching a 99 peterbilt from Detroit ddec3 to cat 3406e
I'm switching a 99 peterbilt from Detroit ddec3 to cat 3406e 40 pin. What do I need for the cab. I have the harness from the ecm to the firewall from a donor truck. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
I have a 1996 pet 379. With 3406e cat in it serial #last 6
I have a 1996 pet 379. With 3406e cat in it serial #last 6 383198 I need a good picture of the plugs on the ECM wiring harnice that showed how they are held in to the ECM and also a something that sho… 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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