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I got a 27 code on my C15. I changed the sensor, the harness
I got a 27 code on my C15. I changed the sensor, the harness and the gauge still bouncing … read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
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Was driving last night came up to stop sigh heard a loud
was driving last night came up to stop sigh heard a loud bang truck would not move, switch on interaxle was able to drive it to safe spot any ideas what it could be … read more
Nich1019
Nich1019
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Vocational, Technical or Trade School
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Shakes and makes a whooshing sound when under a load.
Shakes and makes a whooshing sound when under a load. Doesn't make sound when it's not under one … read more
Nich1019
Nich1019
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Vocational, Technical or Trade School
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I have a 2006 387 Peterbilt with axle temp gauges not
Hi, I have a 2006 387 Peterbilt with axle temp gauges not working, red lights 🚥 blinking. … read more
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Nich1019
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I already paid my subscription I need some more help. On the
Okay I already paid my subscription I need some more help … read more
Wayne
Wayne
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I've got a 2005 Peterbilt 387 C 15 motor with a Eaton
I've got a 2005 Peterbilt 387 C 15 motor with a Eaton 13-speed transmission what kind what type of fluid do I use for the rear differential and the transmission … read more
Mike Mcmillan
Mike Mcmillan
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I have a 2005 Peterbilt 387 and the brake lights on the
I have a 2005 Peterbilt 387 and the brake lights on the trailer are not working. All the other lights work. … read more
Nich1019
Nich1019
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Vocational, Technical or Trade School
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Hellow so i randomly got a flashing check engine light i
hellow so i randomly got a flashing check engine light i have a 2006 peterbilt 387 with 1,00,087 miles on it c15 eaton fuller 13 speed … read more
Nich1019
Nich1019
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I have a 2006 Peterbilt 387 with a cat c15 acert. Will crank
I have a 2006 Peterbilt 387 with a cat c15 acert. Will crank but will not start. Will start with Starter fluid. Found the 20 amp fuse coming off batteries. But the wire is broken under the frame. Can … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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I have a 2019 567 Peterbilt the ride height keeps going out
I have a 2019 567 Peterbilt the ride height keeps going out I've had the drivelines balanced I had a new one put on. 10 days later my ride height went out again and this has been going on for over a y… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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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
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Vocational, Technical or Trade Scho
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We have a 2005 Peterbilt 379 and im looking for a diagram on
We have a 2005 Peterbilt 379 and im looking for a diagram on how to hook up the 4 12v batteries. Also how to put the ecm back on … read more
Bradey V
Bradey V
Certificate
I have a 2010 Peterbilt 387 with a Cummins ISX 450hp with 2
I have a 2010 Peterbilt 387 with a Cummins ISX 450hp with 2 active codes, Fault codes:0255 AMBER- ENGINE FUEL SHUTOFF VALVE DRIVER CIRCUIT-VOLTAGE ABOVE NORMAL, OR SHORTED TO HIGH SOURCE0257 AMBER- EN… read more
Mike Mcmillan
Mike Mcmillan
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I need to know the switch # 1 position of the service brake
i need to know the switch # 1 position of the service brake pedal in peterbilt 369 and 387. the switch is on. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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I have a HAUL TRUCK VOLVO A40 P.I.N.: A40V60416 that will
Hello, I have a HAUL TRUCK VOLVO A40 P.I.N.: A40V60416 that will not move. I can crank up the engine and the engine will run perfect. When I move the gear selector to the drive position the TRANSMISSI… read more
Dan
Dan
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Vocational, Technical or Trade Scho
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I have a 2009 Pete 387 w/cummins and eaton fuller 10 spdOD
I have a 2009 Pete 387 w/cummins and eaton fuller 10 spdOD 3:55 rears...my dash FRT DRV Oil(Frt Differential) temp gauge light is flashing sometimes...I checked the level and it's ok , could the senso… read more
spankyjr1
spankyjr1
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Vocational, Technical or Trade Scho
420 satisfied customers
We have a stretched Pete 379 with 3 lift axles and huge dump
We have a stretched Pete 379 with 3 lift axles and huge dump body. After loading with 17 tons of gravel we noticed on an uneven roadway that the unit began to rock back and forth and was scary to oper… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
Hi, My buddy has a 1990 379 Peterbilt. A hop vibration has
Hi, My buddy has a 1990 379 Peterbilt. A hop vibration has been getting increasingly worse - starts and increases with speed. He has replaced almost everything on the truck except for transmission and… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
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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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