Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
Have a 2007 Freightliner Century CST120. 14L 60 series
Have a 2007 Freightliner Century CST120. 14L 60 series Detroit. Had the overhead ran and jakes rebuilt last week. It is now setting a 128 S212 code that is active, and has 128 S1, S2, S3, S4, S5, and … read more
Roy
Roy
shop foreman
Associate Degree
4,583 satisfied customers
I have a 1992 freightliner with the 11. 1 liter engine. I
Hi. I have a 1992 freightliner with the 11. 1 liter engine. I need to know how many hours is to do a coolant pressure test and replace the cylinder head with a refurbish one.ThanksGilbert… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
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I have a 2016 glider with pre 2000 N14. Eng # 11828333 465
I have a 2016 glider with pre 2000 N14. Eng # 11828333 465 hp. Driver complaint that is "studders" when he upshifts in high range. at 1150 rpm to 1400. Once he gets past that it clears up. It will do … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,351 satisfied customers
I have a 98 n14 select plus. Cummins replaced the fuel pump
I have a 98 n14 select plus. Cummins replaced the fuel pump about 3 months ago. Every since then it has been sputtering especially when under a load. The other day it just completely stalled on me. I … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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I have a Series 60 Detroit serial# 06R0785918 that I am
I have a Series 60 Detroit serial# ***** that I am replacing injector orings,,, I need torque specs for injectors, rocker and jake brake and also procedures to run overhead and set injectors… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
7,517 satisfied customers
SAME CYL ON A REPLACED INJ. SAME JAKE HEAD BREAKS CLOSE TO
SAME CYL ON A REPLACED INJ. SAME JAKE HEAD BREAKS CLOSE TO ADJUSTER SCREW … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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I have a 2000 western star with a n14 it started missing
hello I have a 2000 western star with a n14 it started missing then smooth out after speeding up I took it and had a laptop ck it out and #3 was not hitting I replaced it with a reman cummins injector… read more
cumminsdr
cumminsdr
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I have a 2005 KW T800 vin 1XKDD48X96R106308 eng 79097518.
I have a 2005 KW T800 vin 1XKDD48X96R106308 eng 79097518. Its an ISX cummins. My issue is that the cruise and the jake only work sporadically. I test drive it this weekend and when you set the cruise … read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
829 satisfied customers
N14 running 1400 to 1500 rpms oil pressure between 20-25 is
N14 running 1400 to 1500 rpms oil pressure between 20-25 is this normal? At 1900 rpm it's 30/35psi… read more
cumminsdr
cumminsdr
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I work at a heavy truck repair garage. we are working on a
I work at a heavy truck repair garage. we are working on a n14 select plus. the problem is the engine will smoke when rpm are around 1200 when warm only. this engine was just overhauled with genuine c… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
697 satisfied customers
I did the top end of a n14 select it had a bad head gasket,
I did the top end of a n14 select it had a bad head gasket , it ran great test drove ,used the jake and everything was fine , drive took it to day and on the highway you can see oil spots and it ran o… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
2,892 satisfied customers
1998 N14 Celect plus 525 started running rough blowing blue
1998 N14 Celect plus 525 started running rough blowing blue smoke and pops thru exhaust sounds like jake is on low while under throttle severe power loss and acts like it is skipping… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
697 satisfied customers
I have a cummins n14 plus 1995 mod rated at 400 hp. In a john Deere 8970 tractor It
Hi ,I have a cummins n14 plus 1995 mod rated at 400 hp. In a john Deere 8970 tractor It has clocked up 12800 hrs The fuelinjector pump was serviced at around 8000 hrs , I'm not sure about the injector… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
7,517 satisfied customers
I have a Peterbilt with a c15 acert bxs serial prefix. It started
I have a Peterbilt with a c15 acert bxs serial prefix. It started cutting out the other day and we are trying to figure out why. I have cat et and there are no codes or events. Coolant temp is correct… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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Answers from Multiple Experts requested: N14 celect plus exhaust guide wear, engine has 26
N14 celect plus exhaust guide wear, engine has 267000 miles on in-frame, heads were re-maned at local machine shop with no previous complaints on their head work. Had to change 2 cylinder kits because… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
7,517 satisfied customers
Have a problem with an n14 celect plus 525hp. Has a popping in the ex
Have a problem with an n14 celect plus 525hp. Has a popping in the exhaust that is intermittent at idle, but it does not seem to run rough when cold. Once warm the popping sounding is still there and … read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
697 satisfied customers
how can i tell if its fuel or oil coming from the exhaust on
how can i tell if its fuel or oil coming from the exhaust on my n14. Just inframed it 4 days ago?… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
7,517 satisfied customers
i have oil leaking from the driver side of the front head gasket
i have oil leaking from the driver side of the front head gasket i would like to know how to fix it… read more
cumminsdr
cumminsdr
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