Medium and Heavy Trucks

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Catman only C12 in a 2001 Freightliner Columbia. Both ET and
Catman onlyC12 in a 2001 Freightliner Columbia.Both ET and the cluster are showing ground speed and tachometer working together. 700 rpms and the speedo 14 mph. Speedo goes up when tachometer does. Th… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,237 satisfied customers
Catman, I have a quick question for ya resealing a front
Catman,Hey I have a quick question for ya resealing a front cover on an E model, lining up timing marks on crank gear and idler gear, pinned engine but timing mark is not straight up and down off to t… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,237 satisfied customers
I have a 96 5EK engine that developed a vibration that
I have a 96 5EK engine that developed a vibration that starts at 800 and increase until about 1100 rpm then slowly fades out while sitting still. While driving the vibration starts at about 40mph and … read more
Daniel Wilson
Daniel Wilson
11,831 satisfied customers
Catman i have a peterbuiltwith at c15 engine and i have a
Hello catman i have a peterbuilt(###) ###-####with at c15 engine and i have a problem that the fuel tanks were filled with water the fuel has a white color, the truck is rouhg idling to the point that… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,237 satisfied customers
I have a 1999 pete with a 2ws with a broken crank and i am
I have a 1999 pete with a 2ws with a broken crank and i am replacing with a 5ek i was told to get the harness from cat 40 to to 70 pin part#(###) ###-####the more i read the more i think this harness … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,237 satisfied customers
Catman I have eng sn5EK84161 it is in an international. it
catman I have eng sn5EK84161 it is in an international. it gets hot a lot. We flushed the coolant radiator seems to be in good shape. I checked what the ECM was reading for temp and it matched the tem… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,237 satisfied customers
Hey cat man I In have a 3126 with a no start in the morning
Hey cat man I In have a 3126 with a no start in the morning hit it with either and it will start rest of day started fine no check engine light no code's I have changed high pressure pump and check va… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,237 satisfied customers
catman eng sn 6nz63295 what is the pin diagram from ecm to
catman eng sn 6nz63295 what is the pin diagram from ecm to engine. I have a bad wire on cam speed sensor.… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,237 satisfied customers
Cat Man I have a 5EK22174 that is giving me the code 108-4
Cat Man I have a 5EK22174 that is giving me the code 108-4 barometric pressure sensor. What is the purpose of this sensor and how do I fix? Truck is also set at 435HP. If it will go higher I need the … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,237 satisfied customers
Hey Catman. I have a truck engine 3406e 5ek. we have oil blowing
Hey Catman. I have a truck engine 3406e 5ek. we have oil blowing out of the filler tube and the dipstick tube. we removed the breather on the valve cover and it is doing the same thing. Any idea what … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,237 satisfied customers
Hey man me again got a bxs11997 looking to convert to a single
Hey man me again got a bxs11997 looking to convert to a single turbo what would be a good flashfile for it i need atleast 550hp… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,237 satisfied customers
3406e 2ws cat motor. changed out two a 3406e 5ek cat motor.
3406e 2ws cat motor. changed out two a 3406e 5ek cat motor. need to chage wireing to cumputer. can you help me… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,237 satisfied customers
Catman - Ill try again. I need exhaust air flow rate,
Catman - I'll try again. I need exhaust air flow rate, exhaust temperature, maximum allowable backpressure, and PM emission rate for the following engines, please: 6.6 SN 66604755, SN 66601390 3176 SN… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,237 satisfied customers
Mr. Cat Man, I have a Kenworth with a 5ek engine. My customer
Mr. Cat Man, I have a Kenworth with a 5ek engine. My customer recently took an isx out of this truck and installed this 5ek engine. Truck did good for about 2 weeks and know claiming that truck will n… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,237 satisfied customers
We did not find the problem with this truck: Since our last
We did not find the problem with this truck: Since our last chat we have replaced injectors and checked the fuel return and checked the cam and the rack settings. Could not condemn any of the injector… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,237 satisfied customers
I want to put a 6nz engine in a 1981 Peterbilt that has an
I want to put a 6nz engine in a 1981 Peterbilt that has an A model cat engine in it Would you happen to know how much difference there is in the mounting brackets… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,237 satisfied customers
Hi CatMan I have a new motorhome with early C12 with Eaton
Hi CatMan I have a new motorhome with early C12 with Eaton Autoshift transmission. The check engine light is always flashing and the previous owner who ran many trucks with Cat engines said it is noth… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,237 satisfied customers
I have a 1995 T800 Kw with a 425 cat engine. I need to know
I have a 1995 T800 Kw with a 425 cat engine. I need to know the placement for the RPM sensor. engine: 3406 Cat engine serial: 5ek13038 Vin: 640716… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,237 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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