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I have a fl-80 with a 3126 cat. The fuel appears to be
Just started researching the problem. Have been told it is probably an injector sleeve?? engine runs and starts fine and does not run hot … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
404 satisfied customers
I drive a schoolbus with a Cat C-7 engine. Exhaust fumes are
I drive a schoolbus with a Cat C-7 engine. Exhaust fumes are smelling terrible. Been like this for a long time. What makes the exhaust smell so bad. I liken it to a carbuerated gas engine set way to r… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
I am rebuilding the 3116. I bought new injectors. I took the
I am rebuilding the 3116. I bought new injectors. I took the head to a very large machine shop and instructed them to install new injector cups and pressure test them. This engine does not use a compr… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
Bought a CAT road grader from China. Arrived with no
Bought a CAT road grader from China. Arrived with no coolant. Chinese said check to see if drain valve is open. Where is that? Bottom of Rad? … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Had an inframe done on a C7 wax. Pistons and new head.
Had an inframe done on a C7 wax. Pistons and new head. Everything looked good but injectors seem to be hitting top of piston. Have you ever heard of this? Not really a cat guy so not sure if there is … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
2007 CAT C7. MILITARY TRUCK. CODE 164-02 WILL FLASH ON
2007 CAT C7. MILITARY TRUCK. CODE 164-02 WILL FLASH ON PERIODICALLY THEN GO OFF. IT WILL ONLY BE ON FOR A FEW SECONDS. CAT ET SHOWS DESIRED ACTUATION PRESSURE AND ACTUAL PRESSURE INLINE WITH EACH OTHE… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
Marine 3126B and when running at 2500+ For 5-10 minutes it
Marine 3126B and when running at 2500+ For 5-10 minutes it blows the gasket on the secondary fuel filter. No issues at a lower rpm. Could it be just a bad filter?… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
I am researching the reliability of a CAT 3126 engine. I
I am researching the reliability of a CAT 3126 engine. … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
I have a 2008 f650 w/ c7 cat engine. cruz control switches
I have a 2008 f650 w/ c7 cat engine. cruz control switches on dash can i splice into the wiring and route a second control switch in a van box behind the truck cab. I need a engine speed control to op… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
Looking for a cat c7 injector trim files, Kal23948, GMC 560
Customer bought a none oe cat reman injector and no trim file disc… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
If I supply you the part number (7 Digits) Serial# (up to 14
Hello If I supply you the part number (7 Digits) Serial# (up to 14 digits) and confirmation code (4 digits off the top of the C7 Injectors and what cylinder they correspond to can you get me the trim … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
04 ford f650 with 3126 it has not starting ecm is powering
04 ford f650 with 3126 it has not starting ecm is powering up it has a different type of pump than what I am used to seeimg on these motors this pump i am used to seeing on a c7 which is a very simila… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
Cat Man. Looking the deck or top of the block on a C15
Hello again Cat Man. Looking for specs for inspecting the deck or top of the block on a C15 serial number MXS69732. Obviously I have pulled the head. There is pitting on the deck where the round seals… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
I have Detroit s60 it mixed diesel in the oil panel I takes to the sh
I have Detroit s60 it mixed diesel in the oil panel I takes to the shop they removed all 6 injector and they said number 2 is bad they change number2 and the put the rest back in with new o ring start… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have a 3126 Cat engine. I am getting a lot of fuel in
Hi. I have a 3126 Cat engine. I am getting a lot of fuel in the coolant. Enough that it is pushing fluid out of the over flow. Do these engines have injector cups? Any other ideas on how fuel gets int… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
Good morning Cat Man. I have an old Cat 3406 rod engine serial
Good morning Cat Man. I have an old Cat 3406 rod engine serial # ***** We had fuel leaking into engine oil and traced it to loose injector tips. we are trying to figure out how to remove the cups PN 2… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
I have a 2004 f-650, it has a caterpillar Serial number HEP12329,
I have a 2004 f-650, it has a caterpillar Serial number HEP12329, model number 3216, Can i interchange this with a model c7 serial number fmm14900 caterpillar engine? If so, what parts interchanges ha… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
hey Cat Man. In regards XXXXX XXXXX 04 C7. Switched out the HEUI
hey Cat Man. In regards XXXXX XXXXX 04 C7. Switched out the HEUI pump. Better idle but wont go over 5mph or so. Smoking like a freight train. Ran cylinder cutout test. Def has some bad injectors which… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 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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