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  1. greasytshirt

    Trailer lighting

    There is not a dedicated trailer wiring circuit. You'll have to make your own.
  2. greasytshirt

    Oil comes out from dipstick

    Does oil still spew from the dipstick with the oil cap off? Sounds like a crankcase ventilation problem. VNT problems won't cause this.
  3. greasytshirt

    The cruise control in my Hino won't even active 2005

    Most of the time when the cruise doesn't work, it's from some underlying problem, like the brake switch is stuck on, the exhaust brake is left on, or there's an ABS light. Other times it doesn't work because spilled drinks have the buttons stuck, or maybe the switch isn't even plugged in.
  4. greasytshirt

    2007 Hino 268 power loss / 35 mph max

    Sometimes the 2005-2007 trucks develop EGR problems that you can see with software (the valve can't be commanded through its full range of travel) yet it won't set a CEL. The symptoms for that tend to be terrible acceleration off the line but seemingly normal power at higher rpms. Since it's at...
  5. greasytshirt

    2007 Hino 268 power loss / 35 mph max

    There's a couple air switches under the truck, but only one is a brake switch. The other brake switch is in front of the brake pedal. The inputs of these brake switches both have to correlate.
  6. greasytshirt

    Advice for this problem

    It looks like water intrusion causing corrosion.
  7. greasytshirt

    The cruise control in my Hino won't even active 2005

    Are any warning lights on, like the ABS or check engine light?
  8. greasytshirt

    2006 Hino 268 no power uphill

    I'd take that cover off, disconnect the connectors, and blow everybody thoroughly compressed air. Make sure all five clips on the cover engage when you put it back on.
  9. greasytshirt

    2018 Hino 195 COE

    I know that's not the conclusion you wanted, but I'm glad the problem is solved.
  10. greasytshirt

    2006 Hino 268 no power uphill

    Have you driven through rain recently? Water can get in the firewall junction box behind the engine air filter and cause communication errors with the transmission.
  11. greasytshirt

    2015 Hino 258 Air Conditioning

    Those pressures are plausible. Is the cabin air filter present? If it's not, I'd suspect the evaporator fins are clogged.
  12. greasytshirt

    2006 Hino 268 no power uphill

    With the truck cooled off some, take off the cap and start the engine. Are bubbles coming out of the radiator neck?
  13. greasytshirt

    2006 Hino 268 no power uphill

    On Hinos, it's almost always always combustion gases in the coolant, or external leakage. They rarely mix fluids. If you're getting transmission fluid into the coolant, then it's coming from the transmission cooler inside the lower tank of the radiator.
  14. greasytshirt

    2018 Hino 195 COE

    There isn't a separate lift pump (unless you are referencing the hand primer pump)The high pressure fuel pump has two pumps stacked together. I'm suggesting the elimination of the entire fuel supply system and connecting an auxiliary fuel supply directly to the pump.
  15. greasytshirt

    2006 Hino 268 no power uphill

    If transmission fluid is in the coolant it can only come from the transmission cooler inside the radiator., or someone poured it into the radiator.
  16. greasytshirt

    2006 Hino 268 no power uphill

    It's not a normal failure at all. I don't think I've ever seen this failure on a Hino
  17. greasytshirt

    2006 Hino 268 no power uphill

    It's a radiator failure, but if coolant has made it into the transmission fluid that's a big issue.
  18. greasytshirt

    2006 Hino 268 no power uphill

    There is a definite link between the ABS light and transmission failure. When the ABS light is on , the torque converter unlocks. An unintended consequence was the fluid got much hotter and it overwhelms the trans cooler. I've looked at the circuit on a wiring diagram and found the one wire to...
  19. greasytshirt

    Straight truck with DD13

    Has this engine had an inframe? Can you describe the amount of blow-by that comes out of it when hot? Generally speaking, an engine that makes it to a million is getting pretty close to inframe time if it hasn't been done already.
  20. greasytshirt

    No communication to DCU

    First, disconnect any eld or GPS or any other aftermarket device that taps into the CAN. This has sent me barking up the wrong tree more times than I care to admit. You may need to do some digging to find devices that were hidden well to prevent tampering. Second, I would try replacing the...
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