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Related Medium and Heavy Trucks Questions
I have a Cat C7 (2005) that when you turn the key on a click
I have a Cat C7 (2005) that when you turn the key on a click click goes 3 times. It turns over but doesnt start? Any ideas? … read more
FIX-IT
FIX-IT
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Vocational, Technical or Trade Scho
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II changed my oil and diesel filter on a freight liner m2
II changed my oil and diesel filter on a freight liner m2 business class as well as a plug in my air tank and my truck will not start because of a tractor abs light what could be my problem ?… read more
Curtis B.
Curtis B.
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Associate Degree
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My truck with cat c7 fail at 150 degrees, To my truck we
To my truck we have to repair the diesel injectors and check the pressure pump but still the same light well but after the temperature rises to 150 degrees the fault starts … read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
4,530 satisfied customers
I have a 05 gmc C6500 with a C7 motor, Dual tanks, C6500, My
I also have a code that reads engine#1 transmission splitter position currently below normal or open What does it mean and how to fix it… read more
Jeremy
Jeremy
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Keep getting 655-7 code even after injector replacement,
Keep getting 655-7 code even after injector replacement … read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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How can I send you a video of the injectors operation on
How can I send you a video of the injectors operation on this C7 cat engine? … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
I have 2004 Frieghtliner m2 cat engine c7 I replaced the
Hi I have 2004 Frieghtliner m2 cat engine c7 I replaced the engine to 3126 it's running perfect but the speed odemetor and the oil prusure is not working also the temp show high temp show high … read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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I'm getting low oil pressure warning (46) 100-1 and very low
I'm getting low oil pressure warning (46) 100-1 and very low oil pressure warning (46) 100-11 on a c7 that I'm working on. Truck starts fine but the oil pressure gauge and my computer are reading 0 ps… read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
784 satisfied customers
The speedometer on our service truck maxes out we experience
the speedometer on our service truck maxes out we experience loss of throttle and the scan tool show the transmission down shifting to 3rd gear this happens when truck speed is about 45mph. the truck … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
7,084 satisfied customers
I have a cat c7 freightliner truck,the problem is, the
hello I have a cat c7 freightliner truck,the problem is, the engine began to pass the oil tank of diesel,the mechanic said it was the injectors so were sent to repair,after repairing the injectors, th… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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Bought a 2005 Freightliner water truck with a CAT C7 from an
Bought a 2005 Freightliner water truck with a CAT C7 from an online auction place sight unseen. Now I know why they were selling it. When they delivered it, there was oil all underneath the chassis th… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
A 2005 freighliner with a cat c7 engine. This engine has 210
Customer: a 2005 freighliner with a cat c7 engine. This engine has 210 hp. Can I replace it with a c7 330 hp 24 volt. The new engine comes with a ecm … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
gmc c7500: Engine ran fine, added fuel and went back to route.
Engine ran fine, added fuel and went back to route. It smoked some, then after a while it shut off like it ran out of fuel. Turns over fine, checked fuel to see if it getting to filter. It is making i… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
My 2005 cat c7 engine drips oil from the blow by hose when I rev it to 2500 rpm few
My 2005 cat c7 engine drips oil from the blow by hose when I rev it to 2500 rpm for a few minutes while it's parked. I took it to a shop and I was told it needs an overhaul. I have 3 of the same truck… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
I have a 04 chevy kodiak c8500, it has a c7 engine in it.
I have a 04 chevy kodiak c8500, it has a c7 engine in it. While warming it up a week or so ago it ran out of fuel. Well, we also had a leak in our tank,so we had that fixed, reinstalled the tank,fille… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
I swapped out a c7 serial # ***** and installed a 3126 serial
I swapped out a c7 serial # ***** and installed a 3126 serial # ***** I put all the c7 sensors on the 3126 (plugged right in). the truck turns over but wont fire/start. any suggestions?… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
2002 Chevy C6500 with a CAT C-7 engine. The complaint is excessive
2002 Chevy C6500 with a CAT C-7 engine. The complaint is excessive white smoke on start up. The operator says it cleans up when the engine warms up. I confirmed the white smoke. It is unburnt fuel. He… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
Hello, I have a 2005 Freightliner M2 106 Business Class. It
Hello, I have a 2005 Freightliner M2 106 Business Class. It is 10 wheeler dump truck with a CAT C7 ACERT engine, hooked up to eaton fuller 18 speed. The motor is doesn't have any power to pull a trail… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 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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