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  1. R

    What fluid for transmission.

    The Citgo fluid referred to is a TES 295 approved fluid. There are other, presumably better, spec fluids available today, such as TES 668.
  2. R

    What fluid for transmission.

    What did your builder tell you to use? Sometimes they have their own ideas about the fluid that goes with their particular parts.
  3. R

    04 NSBU wiring diagram

    Free manual for your truck next time you need some help Charm Manuals for Chevrolet vehicles | Operation CHARM
  4. R

    Weird Lift Kit Issue-No Adjustment!!!

    Maybe you can post a viewable picture if it helps to understand your problem. Did you remove the torsion bars? If so, did you put them back in the correct place?
  5. R

    Head gaskets.

    After ANY machine operations, you need to make sure that block is absolutely clean in and out, oil galleries cleaned, threads chased, etc.
  6. R

    2011 LML Duramax – CP4 Grenaded, New Fuel System Installed, Rail Pressure Stuck at 31,000 PSI

    Info attached
  7. R

    Alright Allison techies, flare for 1-2 and 2-3. Everything else golden

    I wonder about this. If my dipstick showed this, I would investigate further. Maybe there is a reasonable explanation for this. Seems that one contradicts the other. J wonder if sticky valves/solenoids may be causing the problem.
  8. R

    Strange symptoms

    A little more info for future needs
  9. R

    07 Duramax low fuel rail pressure

    Sure, a clogged filter could cause a low fuel rail pressure code. But there are other things also. What other codes do you have or is that the only code present? you do NOT have a lift code, correct?
  10. R

    Allison P0872

    The attachment may give you more information
  11. R

    LMM HIGH Oil Pressure

    The sending unit is on the driver side of the block, near the back where the oil filter and cooler attach to the block.
  12. R

    Timbrens, who tows with them?

    Sumo Springs offer a more comfortable ride than Timbrens Check them out, choose what you like
  13. R

    Egr feed pipe to oil cooler?

    See the attachment. May have to loosen it from above to position it at the cooler.
  14. R

    New lml engine build, no fuel rail pressure

    Source: https://youtu.be/oYJy-Xg7_9E?t=279 Start about 4:40 and look for the info on the injector return lines. Is that where you applied shop pressure? Also notice the devide with the spring that hodls pressure on the injectors. Source: https://www.youtube.com/watch?v=FO9GQd_LdXY
  15. R

    High speed canbus no communication

    Make sure your cigar lighter fuse is good. It powers the diagnostic port. Some reading for you in the attachment. You can get wiring info here Charm Manuals for Chevrolet vehicles | Operation CHARM
  16. R

    Strange symptoms

    First check is to see what the fluid level is. The fact that the underline under the P indicator often says that the TCM or wiring has a problem.. Scan for aocdes with a tool that will read TCM codes. Not all readers will do that.
  17. R

    New lml engine build, no fuel rail pressure

    50 -60 lbs is plenty. From here: https://oregonfuelinjection.com/services-repair/diesel-diagnostics-repair/chevy-gmc-diesel-diagnostics/#11-fuel-injectors The injectors require a minimum of 3 BAR (45 psi) of pressure in the return system. Pressure is maintained via a “Constant Pressure...
  18. R

    New lml engine build, no fuel rail pressure

    How much pressure did you use? And you were cranking the engine while applying the air pressure? Just checking.
  19. R

    Please help me!! My son's LB7 is stumbling at 80 km/hr under light load No Trouble codes

    Take a look here: https://charm.li/Chevrolet/2003/C%202500%20Truck%202WD%20V8-6.6L%20DSL%20Turbo%20VIN%201/Repair%20and%20Diagnosis/Diagrams/Electrical%20Diagrams/Body%20Control%20Systems/Exterior%20Lighting%20Sytems%20References/
  20. R

    Need connector end view diagram for 05 lly

    Charm Manuals for Chevrolet vehicles | Operation CHARM
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