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Related Medium and Heavy Trucks Questions
Engine fan won't turn off. 1994 Pete 379 with 6nz cat has a
Engine fan won't turn off. 1994 Pete 379 with 6nz cat has a Horton fan clutch … read more
Nich1019
Nich1019
Cummins/Caterpillar Technician
Vocational, Technical or Trade School
3,341 satisfied customers
I am doing an engine swap in a 2000 peterbilt 379. I took
Hi I am doing an engine swap in a 2000 peterbilt 379. I took out a cat 2ws32622 with a 70 pin connector and replaced with a 40pin ecm cat 6ts17248. The problem I'm having is with the engine fan. It wi… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
I HAVE A 1996 PETERBILT 379 WITH WIRING ISSUE. PRIOR OWNER
I HAVE A 1996 PETERBILT 379 WITH WIRING ISSUE. PRIOR OWNER GOT CREATIVE. HE DIRECT WIRED FAN TO BE ON ALL THE TIME, THEN NEXT SHOP INSTALLED SWITCH FOR FOR FAN. EVERY TIME THE FAN IS TURNED ON IT BLOW… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
I have a 2006 379 C-15 Acert. You I have a 2006 379 C-15
When I turn the manual fan switch to "on", eventually the motor turns off, I then have to cycle the key ignition switch and the motor fires up and life is good....until I turn the manual fan switch again… read more
Nich1019
Nich1019
Cummins/Caterpillar Technician
Vocational, Technical or Trade School
3,341 satisfied customers
I need injector trim files for a C15 cat. 2009 Peterbilt
yes, I am fixing my myself. I just need the injector trim code files. I have the trim codes from the injectors … read more
Nich1019
Nich1019
Cummins/Caterpillar Technician
Vocational, Technical or Trade School
3,341 satisfied customers
The engine fan will not come on automatically when water
The engine fan will not come on automatically when water temp gets high under a load. The fan works when I turn on manual switch and the fan works with the high pressure side of A/C. this is a C-16 en… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 satisfied customers
Peterbilt c15 trying to start on its own. It fried starter.
Peterbilt c15 trying to start on its own. It fried starter. Ive replaced it still doing the same.… read more
Scott Anthony
Scott Anthony
Master Technician
HS Diploma
3 satisfied customers
2004 Peterbilt 379 cat c15 mbn I just noticed oil leak
Hello 2004 Peterbilt 379 cat c15 mbn I just noticed oil leak coming from behind the fan clutch and it's making a mess in front of the engine, I'm wondering about the source of the leak… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 satisfied customers
Codes 289-6 and 290-6 comes up on my 2007 peterbilt 379, cat
Codes 289-6 and 290-6 comes up on my 2007 peterbilt 379, cat c15 … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 satisfied customers
I have a 2005 peterbilt 379 with a cat acert C15 in it the
I have a 2005 peterbilt 379 with a cat acert C15 in it the blower motor will not work on any speed I have gotten the multimeter out and started checking when I go to any point in the system be at the … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
214 satisfied customers
My engine fan will not turn on. Either with the manual
My engine fan will not turn on. Either with the manual switch or just letting the ecm do it by water temp. I've replaced the fan air solenoid and it still will not engage. Unless I cut the wires to th… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 satisfied customers
The engine temp runs up to 212 degrees and fan isn't coming
The engine temp runs up to 212 degrees and fan isn't coming on. I replaced the fan trigger on the thermostat housing and checked the thermostats. I have a 170 and a 180 degree thermostats on it and th… read more
PATRICK WENSLEY
PATRICK WENSLEY
Associates Degree Of Applied Science
2006 Peterbilt 379. All Accessory Power intermittent power
2006 Peterbilt 379. All Accessory Power intermittent power issue … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
214 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
1997 357 ecm won't turn the fan on but manual switch will.i
1997 357 ecm won't turn the fan on but manual switch will.i go into et and i can make it active and inactive but air solenoid doesn't get the signal.thinking there must be a relay some where.any thoug… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,756 satisfied customers
hi,I got a 2005 379 engine peterbilt, every morning it starts
hi,I got a 2005 379 engine peterbilt, every morning it starts ok. and runs for 3 or 4 minutes and then gets kill down and I have to use starter fluid to make it work, I have this problem every morning… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,756 satisfied customers
i have a 2008 peterbilt 388 c15 cat cooling fan does not come
i have a 2008 peterbilt 388 c15 cat cooling fan does not come on with temp or manual switch. there is no power to switch on dash or solenoid under hood.no blown fuses at panel i would like to find out… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 satisfied customers
Hi I have a 2007 peterbilt 379 with a c15 accert in it nxs.
Hi I have a 2007 peterbilt 379 with a c15 accert in it nxs. Will a 2000 6nz fit in it with out major modifications?… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 satisfied customers
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Daniel Wilson

Daniel Wilson

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Owner at DJ Wilson

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

Jeremy

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cumminsdr

cumminsdr

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Chris (aka-Moose)

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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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