isx

  1. M

    08 Cummins ISX CM871 After Run

    This motor (2008 with stage 1 PDI delete in a 09 Prostar) started after running a few weeks back. It runs for 5-8 seconds after shutdown as well as running really rough in the idle kick-up mode (a few seconds after start-up when the idle kicks up to the 800 rmp range and continues running rough...
  2. M

    2005 isx power/mpg problem

    I have replaced turbo.egr valve,injectors egr cooler,new engine ecu, transmition worked on,new trany ecu and still having problems pulling small hills with 15k on the trailer.either with cruise control on or me driving it can't hold 10th gear and blowing black smoke. My mech said I have plenty...
  3. Injun

    New One on Me: Cummins ISX Fan Steady On

    Hot as the gates of hell here today. 113* in Pasco, WA. So, the engine wouldn't cool below 200, but wouldn't heat to 210, when the fan automatically kicks on... normally.. Anyway, it held steady at that temp for a good half hour and even though the temp never reached 210, the fan kicked on and...
  4. Ziggy

    Fan Clutch Solenoid Air Leak on Cummins ISX

    Help I have a Int. 9900I W/ISX and Borg Warner Kysor style fan clutch the lining was wore out so I replaced it yesterday fan clutch seems to work fine the problem comes up is that the air solenoid will not stop releasing air out of the releife area while running and after the ignition is shut...
  5. S

    Problem with my Cummins ISX

    Hello everyone, I'm new here on forum and I need your help. I have a Cummins ISX that knock at 1450 -1500 rpm. At the last service, they have completely overhauled the engine, replaced one injector, replaced the camshaft on the valve train, clearance checked the timing gears (all within specs)...
  6. A

    Where I can buy the repair manual for Cummins Signature ISX?

    I want to buy that repair manual because I wanna save some money by repairing myself the engine. I have a little problem with EGR and I think that manual could help me to resolve that problem. So, who can give me a download link? I want the manual in pdf format because it's more easy for me to...
  7. L

    Cummins ISX 550 OIl Leak

    I have an oil leak above the alternator (top right corner). Can't really tell where its coming from. Are there any common issues that would lead to an oil leak on the top right corner. Engine has 648K on it. Thanks
  8. W

    Understand the ISX engine range

    Hi All, I'm trying to understand the ISX engine range and was wondering if anyone knew where I could find a good summary. Yes, one would like to think that the Cummins website is a good source .. and perhaps it is, but I'm not finding it to be. I'd like to look at a list of engines like this...
  9. W

    Rebuild cummins ISX timing and metering actuator

    Hi All, Does anyone know where I can have a Cummins ISX timing and metering actuator rebuilt? I have a number of cores and I'm on a serious budget at the moment. https://quickserve.cummins.com/genuineparts/408998100.html Thanks Warrick
  10. A

    Help me choose: Paccar PX-7, Cummins ISX 12L, Mack MP8, Mack MP7

    I am purchasing a new vehicle, but I am undecided which of the following engines to go with. I'm interested in quality, I want the most reliable engine even if I have to sacrifice price and fuel. These are my only options since I am needing a cabover which only peterbilt, mack and autocar make...
  11. F

    Cummins Isx fuel problem

    International 9800i with cummins Isx engine. Recently changed fuel filters on truck. Running good but started spit and sputter. I pulled fuel filters to check for trash in fuel and filters,none detected, refilled both filters and added fuel treatment, now truck will not start back up. Checked to...
  12. L

    2001 cummins isx

    I have a 2001 kenworth t 800 hauling logs. Broke a ring and had inframe done about 170,000 miles ago. Change the oil every 10,000 miles. Usually uses about 3 gallons of oil between changes but not always, sometimes I can go 5,000 miles and not use any oil and then the nest 3,0000 miles it might...
  13. ruben19

    Help with 435st Cummins ISX

    While we were doing the main & rod bearings job we found these pieces inside the crankcase. Woundering if any of you guys know what they are and where they go. The truck is an 05 international 9200i with isx. The engine ran normal without any issues just decided it was time to replace the...
  14. A

    2011 International Prostar ISX.... Good truck or bad truck?

    We're on the market in buying a 2011 International Prostar with an ISX in it. The company we're going to buy it from is selling these trucks with only about 340,000 miles. Considering that they usually take their trucks out for sale at around 500,000 miles (we have previously bought trucks with...
  15. T

    Volvo VNL 04fan clutch solenoid energized all the time from the ecm on a cummins ISX Fan clutch sole

    Volvo VNL 04fan clutch solenoid energized all the time from the ecm on a cummins ISX Fan clutch solenoid energized all the time from the ecm. Already melted one solenoid. The new one stays hot around the clock unless I disconnect the batteries or remove the ecm plug. It doesn't go through a...
  16. H

    Cummins ISX Repair times

    I am curious how long does it take to change the gasket between the front gear cover and the block as well as change #1 and #6 injectors in my 2006 ISX ?
  17. B

    ISX cm871 leaking head gasket

    So i just bought this 2010KW with an ISX550 engine, and the peterbilt dealer where i bought it has been chasing a coolant loss problem for three weeks. The truck runs fine, never overheats, no other issues, except it pushes coolant out of the overflow bottle on hard pulls. Peterbilt tested the...
  18. R

    Cummins ISX CM871 Technical Discussion

    I am by no means an expert on this engine, but I do own one. That being said, it puts me in a pretty unique position to learn all of this one engine's secrets, as I am an engineer well versed in automation, motion control, robotics, and laser technologies. I am also somewhat of a decent hardware...
  19. R

    2011 Cummins ISX problem

    started then died wouldnt start anymore. Sent 2 dealer after 4 days of sitting and 3 days of trouble shooting they put lift pump on sent me on my way.Now 650 mile later in pa. cut it off 4 and hour start it back up and its skipping and making a little sound so i cut it off and it want shut down...
  20. T

    front engine ISX

    1.Do you think a newbie to diesels could inframe an ISX ? Have any of you ever done an inframe and how was it?? How much would it be to have a new head milled from scratch for the ISX??? just trying to get some info...
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