Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
3406e will not fire on1&2 cyl new injectors checked wires
3406e will not fire on1&2 cyl new injectors checked wires cyl seem to hold air have 12v to injectors … read more
NicholasM1019
NicholasM1019
Diesel Technician
Vocational, Technical or Trade School
10 satisfied customers
My check engine light comes on when it does you have to turn
my check engine light comes on when it does you have to turn it off back on or it dies and acks like it's running out of fuel … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
I have a 5EK 3406e that I cannot seem to get to run
Hello there, I have a 5EK 3406e that I cannot seem to get to run strongly, even after full out of frame overhaul … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
5EK...when using throttle peddle, the engine will sometimes
5EK...when using throttle peddle, the engine will sometimes cut out like it is running out of fuel. this will happen at random times, loaded or unloaded, and in any gear at any speed. When it does thi… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
Fan clutch will not disengage while driving and manual
fan clutch will not disengage while driving and manual switch not working in cab. … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
210 satisfied customers
I have a 95 5ek cat ave the engine is derating, the codes
I have a 95 5ek cat ave the engine is derating, the codes are 12 & 27 so I am trying to figure out which wires on the coolant sensor do(there are 3) … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
I have a 3406E cat serial number 5EK 550 HP I cannot get
I have a 3406E cat serial number 5EK 550 HP I cannot get more than 18 to 20 PSI of turbo boost before this started I would getting 32 PSI it started dropping gradually over a few weeks period I have c… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
Working on a 3406e 5ek in 1996 379 pete, eng fan running all
working on a 3406e 5ek in 1996 379 pete, eng fan running all the time, check wiring and fuses and relays all seem to b ok, on the plug that goes on the manual o/r switch in cab all the wires are hot i… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
I have a 3406e cat motor,it runsout good thru all the gears
I have a 3406e cat motor,it runsout good thru all the gears except 12th and 13th out on the freeway when you d … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
I have a 5ek 3406e. Every once in awhile when running Jake's
I have a 5ek 3406e. Every once in awhile when running Jake's for long periods it sounds like one of the stages cuts out and check engine light comes on. If I don't turn Jake's off it will eventually k… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
I have a 1999 Pete 379 with 3406e. Wiring for the two
I have a 1999 Pete 379 with 3406e. Wiring for the two coolant temp sensors was rigged by previous owners. Having problems trouble shooting to find which goes to which sensor. (i.e. gauge or ECM). Also… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
12,204 satisfied customers
I have a code 55 on a c 15 3406e and it seems one injector
Hi i have a code 55 on a c 15 3406e and it seems one injector is not working … read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
829 satisfied customers
my 98 pete had a 3406e s/n 1lw that thru a rod thru the block,
my 98 pete had a 3406e s/n 1lw that thru a rod thru the block, i have replaced it with a 3406e s/n 5ek85180 that i rebuilt on the floor. now that it is installed in the truck it will not start. runs o… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 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
5,234 satisfied customers
I am working on a 02 FL112 equipped for fuel oil delivery.
I am working on a '02 FL112 equipped for fuel oil delivery. I would like to have the engine run at a fast idle for unloading. The tuck has cruse control that can be used for manual fast idle. I would … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
hi i have a 2006 t800 with a 475 isx. the problem im having
hi i have a 2006 t800 with a 475 isx. the problem im having is with the engine fan staying on and the a\c not working. this is the weird thing,if you let the truck sit overnight then start it up in th… read more
Expert
Expert
1996 pete with a 3406e. Fan will not come on when under load,
1996 pete with a 3406e. Fan will not come on when under load, the fan will cycle when stopped with brakes applied. Have changed fan stat and no difference. should kick in around 215, but will climb to… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
I have a 97 Volvo with a 3406E engine 5EK family. I am replacing
I have a 97 Volvo with a 3406E engine 5EK family. I am replacing the temp regulator (thermostat). I have it disassembled, cleaned and installed new seal in the housing. The new thermostat is a genuine… 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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