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About turckster

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    Lubbock, TX

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  1. turckster

    Automated Manual Transmissions

    I never said it was a bad transmission, I just don't care for it and I don't think it would be a good trans choice for the OP"s question. BTW, I doubt I'm alone on how I feel about the Allison trans.
  2. turckster

    Automated Manual Transmissions

    Personally, I would go for the Mdrive. The least expensive rout would be a manual trans but with it comes routine service(clutch adjustment). The Mdrive requires none of that but, as pointed out above, is expensive come clutch time. I'm not a fan of the allison trans. A few oil field companies tried to run some in their fleets locally and they were just a pure pain in the tush. Plus, any automatic trans robs horsepower.
  3. turckster

    Automated Manual Transmissions

    The Ishift/Mdrive have a diaphragm clutch which is non adjustable. Volvo and Mack are pushing to have customers spec the AMT transmissions and I think they have been a pretty good trans. Most drivers that I talk to really like them.
  4. turckster

    99 rd688 speed sensor

    The speedo sensor has an ohm value, the circuit does not have voltage other than what the sensor itself creates when the truck moves. Depending on type of sensor, the ohms should be approx 100-200 ohms, typically around 150-170 ohms measured either from the sensor itself or from the VECU.
  5. I'd check the bellhousing to make sure the mount flange still has some taper--hasn't been run loose. Also looks like it may need an input shaft by the looks of the throw-out bearing area. If the bellhousing is in bad shape then the only good thing its good for is parts.
  6. Some coolant reservoirs have a burn hole in the pressure cap/overflow side that can cause coolant loss. Pushing coolant can also be caused from a bad air compressor head, leaking egr cooler, bad injector cup and cracked head.
  7. turckster

    2008 MP8 hard to start.

    After idling for about 5-10 min check in each fuel tank where the fuel returns inside the tank. If there is bubbles in one or both tanks then the cause is most likely injector cups. To make sure, check the small plastic cap at the fuel filter base (next to the primer pump) is not wet from fuel leaking around it. If so, the problem is the cap---leaking o-ring sucking air into system. You can get a replacement cap from Mack. If ok make sure 7th injector air purge "t" check valve isn't leaking air back to fuel system. Remove the fuel line from the "t" fitting, turn key on and there should be no air coming out "t" fitting. Some '07 emission engines had the air purge line, some didn't . If both above items look ok then most likely you have injector cup issues.
  8. Never seen that particular situation. Is 10% the highest duty cycle the 7th injector gets or does it get higher? Is aftertreatment fuel psi low across the board? I've had to replace the shut off valve because of low fuel psi.
  9. turckster

    Flat rate for egr and cooler

    I believe before you go to all the trouble to raise the engine high enough to remove the egr cooler that you can remove the egr valve without breaking bolts or stripping threads in the manifold. If that happens (which happens a lot)then you might as well remove the turbo and so forth.
  10. turckster


    Sounds like the cam position and crank position sensor connectors are crossed. The ecu see's excessive speed and shuts off the starter.
  11. turckster

    Broken Inj Cup Removal, Mp7

    Slowly and carefully run the knurling thread tool through the tip and use the threaded extractor to remove the tip.
  12. turckster

    E-6 thermostat?

    Should be, they all use the same tool to drive in the t-stat seal.
  13. turckster

    Coolant level sensor code 1-7

    FMI means Failure Mode Identifier, it tells you the actual failure be it short to ground, open circuit, erratic response and so forth. You have to use a diagnostic device(computer or Pro-Link) to see what the FMI is. For example, if the FMI is open circuit (FMI:5) then you know that somewhere in the circuit there is a damaged wire. You would look for obvious rub points or damaged areas in the wiring. Take a good look at the sensor connector's terminals and make sure they making good contact and are not corroded. I've seen wires break inside the insulation at the connectors because of vibration so check for that as well.
  14. turckster

    Mack CXU 613 2011 DPF Problems

    You get caught running what the link provides in an emissions state and bankruptcy issues are the least of your worries. A quote from the bottom of the links page: All product are intended for off-road use in competition only, and are not to be used on public roads or highways. We don't take any responcibility where & how will You use the ECM, or will You or will You not remove the DPF/EGR/CGI from vechile.
  15. turckster


    Check voltages and grounds at the eecu. On the left side of the radiator there is a cab to chassis harness connector. I have seen where the bolt connecting the two together have come loose or some pins having corrosion.

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