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  1. R

    Injector bolts disaster

    Water pump and thermostats, serpentine belt, idlers, tensioner, flush the heater core, clean cooling stack, clean residual oil from inside of intercooler
  2. R

    LMM: New injector and still smoking/over fueling P0304

    delete
  3. R

    LMM: New injector and still smoking/over fueling P0304

    From ALLDADIY: Fuel Injector Balance Test with Tech 2 Diagnostic Instructions Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. See: Testing and Inspection\Initial Inspection and Diagnostic Overview Review Strategy Based Diagnosis for an...
  4. R

    Exhaust Brake - trouble, VERY FRUSTRATED

    Check battery+ power to the switch and then the ground on the other side. Is that switch on a fuse protected circuit? Check the fuse. If fuse is good, see if other things on that circuit fail to work at the same time the switch fails.
  5. R

    Help Truck Won't Start

    I think you still have air in your lines going to the injectors. Once the air is completely out, the engine wil start. Diesels are notorious for difficulty in starting when the fuel system has been interrupted or run out of fuel.
  6. R

    Bad alternator diode?

    DTC B2615 Diagnostic Instructions Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. See: Testing and Inspection\Initial Inspection and Diagnostic Overview Review Strategy Based Diagnosis for an overview of the diagnostic approach...
  7. R

    Erratic temp gauge and p1092

    Spend a few $$ and subscribe to ALLDADIY.COM to get information about your truck, what those DTC's tell you, under what condition they are caused, how to test to confirm the condition, and hat to repair. Your subscription fee will FAR OUTWEIGH what you wil spend for parts you really don't need.
  8. R

    Hesitation or misfire only at highway speeds

    DTC P0652 or P0653 Diagnostic Instructions Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. See: Testing and Inspection\Initial Inspection and Diagnostic Overview Review Strategy Based Diagnosis for an overview of the diagnostic approach...
  9. R

    Stone Cold after cooling flush and Tstats

    YES, for sure. I replaced my leaking EGR cooler and it took several days (not more than a week) for the air to work out completely.
  10. R

    Allison 6sp: LMM Trans cooler lines

    The most current GM parts seem to work just fine. Mine were installed 5/13 and no leaks. I understand that the trans line pressure is highest when temps are cold, and even higher when engine is revved just after startup. Best to let it warm up just a minute or so before higher revs to get the...
  11. R

    U0100 & abs C0035/40/55

    The DTC's in your computer say there are problems with the front and rear wheel speed sensors. This info below pertains to the rear speed sensor, fronts are similar. DTC C0055 or P0609 (With JF3 or JH6) Diagnostic Instructions Perform the Diagnostic System Check - Vehicle...
  12. R

    Fuel rail pressure low

    The setup you build yourself!! Not that hard.
  13. R

    LML Info on BCM codes

  14. R

    Gpcm delete help

    Call Merchant and see if theyl have information. I'll bet they do.
  15. R

    LMM: Lmm no start from key

    Thread started in March.. Probably fixed by now.
  16. R

    LMM: Glow plugs or Battery issue?

    Take a look here: https://www.duramaxforum.com/forum/07-5-10-lmm-duramax-powertrain/985435-intermittent-major-electrical-issues-08-lmm.html
  17. R

    slow drag cranking

    This thread might be of some help to you: https://www.duramaxforum.com/forum/07-5-10-lmm-duramax-powertrain/985435-intermittent-major-electrical-issues-08-lmm.html
  18. R

    LMM Duramax from hell!!!

    Can you be more precise? It's like saying the engine was bad. Well, that tells you it wasn't the tires, or the windows, or the bumpers, but still doesn't tell you much. And lots of us really like to know what the problem was.
  19. R

    Running Edge Starter Cable Through the Fire Wall

    Look for a black rubber grommet near the steering column (engine side) and you can oike a hole or two in there.
  20. R

    Loosing boost while pulling

    Clean both the MAF and the MAP. MAP senses boost. Also check to be sure you have a clean 5V feed to the sensor. Also check for any bare sensor wires/shorting and that you have a good ground. If your MAP provided bad info (lower than actual), both boost and fuel PSI would be decreased by the ECM.
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