Medium and Heavy Trucks

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I have a 2005 catepilar C7 engine we did a overhaul on it
i have a 2005 catepilar C7 engine we did a overhaul on it had the head machined and the block machined to the spec we put it back together now the truck when it starts smokes black and white smoke and… read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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I have a cat 3176 drumo truck about. 920 international 3h.
***************** about three years ago it was going down the road all the sudden a ton of white smoke appeared after that it will not run it will turn over but will not run … read more
Daniel Wilson
Daniel Wilson
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I Have a 2004 Sterling with a C7 cat. After it gets warm it
i Have a 2004 Sterling with a C7 cat. After it gets warm it starts to sputter on take off. There are no codes ,did all the injector tests ,tested the hpop pressure its good. One thing though after i c… read more
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Have a c7 cat with fault codes 164 and 42. Replaced wiring
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Cat Man
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Vocational, Technical or Trade Scho
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I Have 2007 Cat C7 I lost # 6 blowing white smoke I pulled
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Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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CAT C7 engine. Would like to get to Cat Man. Having issues
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Cat Man
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Vocational, Technical or Trade Scho
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No start with out spraying, runs ok after that. Cat c7 2008
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Daniel Wilson
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I have a Cat C7 (2005) that when you turn the key on a click
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FIX-IT
FIX-IT
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Have a 2008 f650 with a c7 cat..drive it the other day and
Hello, Have a 2008 f650 with a c7 cat..drive it the other day and noticed one big puff of white smoke but nothing else.. Today, Went about 40 miles. Pulling 3 Axel 5th wheel trailer. Started blowing w… read more
Cat Man
Cat Man
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I think i have a wiring problem, I have 2000 sterling with
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FIX-IT
FIX-IT
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I have a Cat C7. It is a cat certified remanufactured block
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Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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Cat man I have a problem with a truck and wanted to see if
Hello cat man I have a problem with a truck and wanted to see if you can help me out, I have a 2001 peterbuilt 387 model with C15 engine and it started to rough idle and started to blow out the exhaus… read more
Cat Man
Cat Man
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I have an 04 Sterling Acterra with a C7 Cat and an Allison
I have an 04 Sterling Acterra with a C7 Cat and an Allison MD3060 transmission. It came to me with complaint of no back up lights or alarm. The alarm was corroded and looked bad. Tried to run it from … read more
Andy
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2002 Chevy C6500 with a CAT C-7 engine. The complaint is excessive
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Cat Man
Cat Man
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cat c7 dampener rubber let go on 2005 sterling, engine shut
cat c7 dampener rubber let go on 2005 sterling, engine shut off by itself, truck towed back to shop, dampener replaced, engine will not start?… read more
Cat Man
Cat Man
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Hello, we have a 2004 sterling with a cat c7 motor. This just
Hello, we have a 2004 sterling with a cat c7 motor. This just started a few days ago. Needle on oil pressure gauge on dash bouncing back and forth. engine continues to run but throttle is disingaged. … read more
Jeremy
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2005 FREIGHTLINER M2 WITH A CAT C7. INITIAL START IN THE COLD
2005 FREIGHTLINER M2 WITH A CAT C7. INITIAL START IN THE COLD MORNING, THE ENGINE WILL HAVE A LOUD "KNOCK". A SOUND BETWEEN A ROD AND A SEVERE OCTANE KNOCK. THE ENGINE WILL SMOKE LIKE IT IS OVER FUELI… read more
Cat Man
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2005 Sterling Acterra - Cat 7 engine - cooling system badly
2005 Sterling Acterra - Cat 7 engine - cooling system badly contaminated with engine oil. I am a mechanic for 36 years and I work on this clients other 'smaller' vehicles. I was told that the engine o… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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Meet the Experts:

Daniel Wilson

Daniel Wilson

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Owner at DJ 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

Jeremy

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ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, Network Engineer specializing in CAN faults, Aftertertreatment, and vehicle communications

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Curtis B.

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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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