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Related Medium and Heavy Trucks Questions
Have an FL 80 Freightliner with 3126 engine that is
Have an FL 80 Freightliner with 3126 engine that is experiencing intermittently severe power loss. After sitting and cooling off power level return to normal levels only to relapse in an hour or two o… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
I have a 2001 freightliner with a C 15 cat engine serial
Hi, I have a 2001 freightliner with a C 15 cat engine serial number 6nz34593. truck seems to lose prime overnight, starts but takes a while. today after starting & driving over 100 miles(ran fine). Ki… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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Fl 80 freightliner wont idle up with cruise ecm says brake
Fl 80 freightliner wont idle up with cruise ecm says brake switch is on … read more
Wayne
Wayne
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Vocational, Technical or Trade Scho
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Cummins 300 diesel engine loses power Full service 700miles
Cummins 300 diesel engine loses power Full service 700miles ago. Went 350 miles and lost power on hills, down to first gear and then engine died. Several times. Replaced fuel filter and went great for… read more
Curtis B.
Curtis B.
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2012 freightliner cascadia Cummins. Any theory of scientific
2012 freightliner cascadia Cummins. Any theory of scientific degree, on why, I lose like one gallon and half of coolant almost instantly after filling ([withing 100 miles] but thereafter I don't lose … read more
Andy
Andy
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Vocational, Technical or Trade School
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Wayne how are you? I have two 97 freightliner fld 112 both
Wayne how are you? I have two 97 freightliner fld 112 both have the same problem my air dyer is blowing oil and my air tanks are filling with oil. So much so that it's starting to wet my rear ends. On… read more
Wayne
Wayne
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Vocational, Technical or Trade Scho
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2011 cascadia DD15 Keep having the same problem multiple
2011 cascadia DD15 Keep having the same problem multiple shops have not fixed. Fuel System one tank will drain the other overfill - pressure will become so great as to cause the components to break an… read more
Roy
Roy
shop foreman
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I have a 6nz c15 cat in a 2002 western star. I loose prime
I have a 6nz c15 cat in a 2002 western star. I loose prime when my tanks are not full. I have changed the steel line from the transfer pump to the filter housing. Changed the filter housing, all fuel … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
We just purchased a Freightliner Cascadia Evolution and team
We just purchased a Freightliner Cascadia Evolution and team drive. The truck is due it's first PM and of a few repairs. I am thinking of upgrades such as in running full syntheic and was wondering if… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
2,892 satisfied customers
Freightliner 99 classic fld - cat engine - died on the road
freightliner 99 classic fld - cat engine - died on the road and won't restart. check engine light comes on with key, so ecm must have power… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
My freightliner columbia daycab start sucking air when going
My freightliner columbia daycab start sucking air when going up to hill but now start doing this same problems in flat open road 6 7 8 9 gear… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
2,803 satisfied customers
Cat 3126 with 10 speed automatic. Good combo in a FL-70 with
Cat 3126 with 10 speed automatic. Good combo in a FL-70 with a 12' Toter home body? will be pulling a 36' fifth wheel trailer weighing about 15k behind it. Heading from east coast to yellowstone, down… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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Freightliner FL70: What controls air between tanks on a 1994
What controls air between tanks on a 1994 Freightliner FL70? The top gauge stays between 100 and 120 psi. When it drops to 100, the compressor kicks back in. When the bottom gauge starts to lose air, … read more
spankyjr1
spankyjr1
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Vocational, Technical or Trade Scho
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working on 2005 Freightliner M2 with 7.2 l Catapillar diesel
working on 2005 Freightliner M2 with 7.2 l Catapillar diesel engine. Was run out of fuel. I changed both fuel filters. I am having trouble priming fuel system. Secondary filter is full of fuel. There … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
Hello Cat Man! 2007 Freightliner C7 300hp. Engine serial
Hello Cat Man! 2007 Freightliner C7 300hp. Engine serial WAX48686. After a 3 hour trip today (during which we had no problems) coming off of the highway the check engine light clicked on and the engin… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
i have a 99 fl 60 with a 3126 cat in it and it wont start?
i have a 99 fl 60 with a 3126 cat in it and it wont start? i have no power to the fuel solinoid i changed the oil pressure switch it had a crack in it. what do i do next???… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
i have a 2002 Caterpillar engine model 3126 in a motorhome,
i have a 2002 Caterpillar engine model 3126 in a motorhome, how do i drain air in fuel line, or prime it?… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
I am still having problems with my 3126 losing prime where
I am still having problems with my 3126 losing prime where is the lift pump located on the huie pump and do you have a picture of it. Is it hard to replace? I have a 02 6500 with a 3126 cat engine… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
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Daniel Wilson

Daniel Wilson

2,803 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

4,530 satisfied customers

I am ASE Master Truck Certified.

Wayne

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, EPA 608/609 HVAC Certified, Steering/Suspension and ABS/Brakes Technician

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cumminsdr

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All types of Cummins applications

Curtis B.

Curtis B.

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dieseldan55

dieseldan55

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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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