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Recent content by CRR

  1. CRR

    D6t torque convertor failure analysis

    D6T. KJL01024
  2. CRR

    D6t torque convertor failure analysis

    Just curious what the drain test procedure/spec is. I am having a similar issue
  3. CRR

    D6T Transmission Leak From Breather

    Cat D6T. S/N KJL01024. Complaint of a transmission oil leak. Got to the unit and found it was leaking out of the transmission/torque converter breather. (They are tee’d together beneath the cab). Removed the lines and checked for blockages - none found. When I removed the line off the torque...
    • CRR
    • Thread
    • Replies: 8
    • Forum: Dozers
  4. CRR

    D6T Transmission Issues

    I actually did check brake pressure. Pressures are within spec and are applying/releasing properly
  5. CRR

    D6T Transmission Issues

    OEM filter. P/N 328-3665. Messed around with the unit today and kept shifting through all the speeds and all of a sudden all of the gears came back all at once. At this point I am thinking there has to be a passage that is/was plugged. When it is acting up, it bogs the engine down to about...
  6. CRR

    D6T Transmission Issues

    I had ET hooked up and went through a clutch fill calibration and it passed successfully although clutch #5 (1st speed) was at a limit. Other than that no codes, computer is seeing requested speed and direction
  7. CRR

    D6T Transmission Issues

    Hello all, I have a D6T with some odd transmission issues. (S/N: KJL01024) (7500hrs). Original complaint was no 2nd gear forward. Arrived at unit and found it has NO 2nd or 3rd fwd, and no 1st reverse. 1st forward and 2nd and 3rd reverse DO work. No codes active or stored. Went through and...
    • CRR
    • Thread
    • Replies: 13
    • Forum: Dozers
  8. CRR

    988H Bucket Tilt

    988H (BXY01931) with about 62,000hrs. Complaint is that when bucket is in the full dump position, it will not return when commanded. No response from the machine when the joystick is pulled back. Happens about 10X a day. Give it a minute and it comes back to life. Have not been to the unit yet...
  9. CRR

    336F Slow Bucket

    Thanks Kobe, I snapped a 5000psi gauge on DD and when curling the bucket in, it comes up to about 750psi. When the bucket goes over relief it comes up to about 1500psi. Watching the pump displacement while curling in with the bucket, it’s reading 184cc/rev even when the bucket “gravity drops”...
  10. CRR

    336F Slow Bucket

    No active codes. Swapped neg flow control sensors and bucket cylinder pressure sensors with no change
  11. CRR

    Cat 322cl cab heat not working

    Heater core plugged? Have seen that when stop leak is used in the cooling system
  12. CRR

    336F Slow Bucket

    Good day, I’m currently having hydraulic issues with a 336F (S/N RKB10057) (10,000hrs on unit) and I’m looking for some advice. Customer complaint was slow bucket function and when tracking, all functions are slow. Arrived at unit and checked all the basics, fluid level, condition, etc. No...
  13. CRR

    980K Transmission Cooler Bracket

    Hey Everyone, Has anyone had any experience with 980K transmission cooler bracket bolt failures? My customer has a fleet of 980K’s and I have repeatedly seen this failure. The failure being the bolts for the transmission cooler bracket end up breaking off in the engine block, which then causes...
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