Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
I have a 07 387 Peterbilt with a Eaton Fuller 10 speed
Hello I have a 07 387 Peterbilt with a Eaton Fuller 10 speed automatic trans. I had a tractor protection valve replaced now when pressing the brake to select a gear it will not go to geta … read more
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Justin
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Vocational, Technical or Trade School
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Have a c15 temp runs about 180 plus heat to the cab is not
Have a c15 temp runs about 180 plus heat to the cab is not hot. There are 2 water lines on passenger side of motor does one need to be shut off and the other on. Iam nor sure its in a 2006 kw. And if … read more
Nich1019
Nich1019
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Where the precooler is. 07 Peterbilt 387. 07 c15 cat. I
I removed the precooler and put rtb gasket maker on then retorqued everything… read more
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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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2009 Peterbilt 387 engine fan turns on for a short time and
2009 Peterbilt 387 engine fan turns on for a short time and turns off when driving in weather.The water temperature is at 180 and its cool outside. … read more
Wayne
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I have a 2006 387 with c15 acert i have water coming out of
i have a 2006 387 with c15 acert i have water coming out of the blowby pipe with lots of blow by and i beleive its water in the oil pan its greenish but not milky just had it rebuilt new sleaves,head,… read more
Cat Man
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I'm thinking of converting my 10 speed auto shift to a
I'm thinking of converting my 10 speed auto shift to a manual shift. … read more
Daniel Wilson
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2004 cat acert c15 Diesel engine over heats only when boost
2004 cat acert c15 Diesel engine over heats only when boost pressure reaches over 30 psi with light loads and 17 psi with heavy loads. No coolant loss or oil. Compression is good on all cylinders. Wil… read more
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Cat Man
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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
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Where is the identification number for a C15 cat engine at?
Where is the identification number for a C15 cat engine at? … read more
Cat Man
Cat Man
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No air flow from defroster vents on 387 peterbilt. 2005
when you switch from dash to defroster for & back you can hear like some door geting closed and air stop flowing from dfroster … read more
Jackie Dempsey
Jackie Dempsey
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2006 c15 ... Blew coolant hose this afternoon afternoon,
2006 c15 ... Blew coolant hose this afternoon afternoon, replaced & refilled coolant. Now engine light is on & also says connect service tool. Also drawing of engine with wrench & low coolant sign. Wa… read more
Cat Man
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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
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Peterbilt387, yr 2007. air conditioner problems. air vent is
peterbilt387, yr 2007. air conditioner problems. air vent is not cool as it should. evaporator coil freeze, compressor not recycling… read more
Andy
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I have a MXS C15 acert that sat for a while with out power
I have a MXS C15 acert that sat for a while with out power and now shows code 253-2. I have been able to re program all parameters and perform a speed calibration but I dont know what to enter for FLS… read more
Cat Man
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Got a 06 Peterbilt 387 Pacer motor the dash lights blink on
Got a 06 Peterbilt 387 Pacer motor the dash lights blink on and off like it's in limp mode … read more
Cat Man
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On a 2005 387 peterbilt C15 cat i lost jake brakes
On a 2005 387 peterbilt C15 cat i lost jake brakes and cruise Do you have a wiring diagram of this circuit?… read more
Wayne
Wayne
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When drivers door is opened and closed it will shut off. Do
When drivers door is opened and closed it will shut off . Do you have any ideas of what the problem would be. It is a 387 Peterbilt 2005 has a c15 Cat motor.… read more
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Meet the Experts:

Daniel Wilson

Daniel Wilson

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I am ASE Master Truck Certified.

Wayne

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

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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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