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  1. cliffkujala

    Question about Hino 338

    I've experienced the same symptoms. greasytshirt is on the right path. You need to replace headgasket (or oil cooler). For me it was head gasket. My system would always fail tests for combustion in the coolant so I chased all types of possibilities before deciding to do head gasket but that is...
  2. cliffkujala

    Hino turbo

    And the fun continues. Put the truck back together (with burnt up VNT) so I could move it. Ran for a while, and now, it just idles. No response to throttle input, so therefore no drive. I really need to get my hands on th UD PC Consult 2 software so I can see the trouble codes for this unit...
  3. cliffkujala

    Hino turbo

    After some searching, and speaking with some guys rebuilding turbos, they don't agree with the above statement I made regarding my failure. The consensus seems to be that replacing only the VNT controller, without at a minimum calibrating the unit to the specific turbo will always result in...
  4. cliffkujala

    Hino turbo

    Well. I was finally able to get around to checking what the problem is on this 2006 UD2600 (Hino J08E) truck. It is again a melted VNT Controller. Anybody found a source for VNT Controller 738265-0039 or 738265-9027 ? I purchased a remanufactured unit last summer from Superior Turbo in MI, but...
  5. cliffkujala

    Hino turbo

    I did just get fuel before the hill climb so maybe a bad batch. How do you feel about running a full gallon of Lucas Injector cleaner to try and see if that clears it up?
  6. cliffkujala

    Hino turbo

    2006, plus it is actually a UD2600. Codes seem to be same/similar since it uses a HinoECU. Unfortunately UD put something in front of the ecu so you need their proprietary $750 PC Connect software to pull codes. Not sure if it's possible to pull codes on the dash.
  7. cliffkujala

    Hino turbo

    Bummer. I think the reman VNT just fried. I'm in the Cali desert waiting for truck to cool after a big hill pull, but behavior is the same as before. Hoping some time cooling will be enough to let me get back to Phoenix without the VNT degrading the ecu into limp mode. I'll update here as I...
  8. cliffkujala

    Hino turbo

    Hi All. I've been away for a bit, but thought I'd update. I found a remanufactured VNT for the HINO J08E turbos. Bought and installed myself just before a round trip from Phoenix, AZ to Indianapolis, IN. Truck ran flawless. The VNT swap was easy. Installation took me all of 30minutes...
  9. cliffkujala

    Hino turbo

    450k
  10. cliffkujala

    Hino turbo

    Thanks @coalminer . I tried to email them, but their email bounces back. I'll call them on Monday.
  11. cliffkujala

    Hino turbo

    Bummer. Connector is burnt up on the VNT. Nozzle actuator on the exhaust housing moves freely, so I don't think it was a problem of binding there which burnt up the motor. The stepper motor must have just fried. Is there no place to buy just the stepper motor? It feels wrong to...
  12. cliffkujala

    Hino turbo

    J08E-TE 5HMXH07-7JTA 230HP Manufactured July 2005
  13. cliffkujala

    Hino turbo

    Yes I think you are correct about sourcing through Hino, so long as they actually carry the right numbers. Pics attached.
  14. cliffkujala

    Hino turbo

    Thanks again for all the info. There is so little out there. I'll give it one more shake to establish good ground and wire continuity from the VNT back to the ECU. The challenge I have is that this is actually a UD, not a Hino, so matching wire harness diagram info is hit and miss. Many...
  15. cliffkujala

    Hino turbo

    @PerfPlusLBC Did you ever solve this? Did a new VNT/Turbo fix your problem? I have a 2006 UD2600 (they have Hino J08E engines) which is doing the exact same thing. At first it was just random, but now it is a persistent problem, setting the check engine light right after you start driving...
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