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Where,s the dipstick?

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Old Sep 6, 2013 | 12:36 PM
  #11  
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Originally Posted by gunnysack2
Is there a way a mere mortal can check trans? Or does it have to be done by a dealer?
If you have a scan tool to read trans temp, sure you can.
 
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Old Sep 7, 2013 | 07:30 AM
  #12  
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Originally Posted by gunnysack2
Is there a way a mere mortal can check trans? Or does it have to be done by a dealer?
Pretty sad we`re not allowed to work on our own vehicles much anymore.
 
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Old Sep 7, 2013 | 11:58 PM
  #13  
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Default Scan tool?

How does the scan tool work? How useful is it ie {for other testing} and how much do they cost? Thanks Don
 
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Old Sep 8, 2013 | 05:34 PM
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What correlation does trans fluid temp have to fluid level? How does one determine the trans fluid level via the scan tool?

Thanks,
Rob
 
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Old Sep 8, 2013 | 08:46 PM
  #15  
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Default scan tool.

Good question Rob,hope someone here can answer that.
 
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Old Sep 8, 2013 | 09:29 PM
  #16  
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Well.... If its anything like a gas. As long as u know the density of the fluid, which is a constant. With a variable of temperature you could find the volume.
 
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Old Sep 8, 2013 | 09:37 PM
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Originally Posted by Talon_66
Well.... If its anything like a gas. As long as u know the density of the fluid, which is a constant. With a variable of temperature you could find the volume.
There has to be another variable missing that is needed to compute volume/level. For instance, I could tell you I measured a container of water at 75*F, and you can readily look up the density of water. How are those two facts going to give you the volume of the water in the container? Could be a coffee cup, a swimming pool, or the ocean that was measured. Perhaps mass would be the other variable in the formula you are thinking of? But we can't know mass of the fluid in the trans.

I'm not saying is isn't possible to measure this way, I'm just wondering what else it is based off of...

Rob
 
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Old Sep 8, 2013 | 09:38 PM
  #18  
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You can't determine the level with a scan tool. You use it to read trans temp during the 16 step procedure they laid out to get the fluid to the right level. If the trans temp is in your EVIC, you can use that.

You have to have it running the whole time AND have the wheels off the ground. It's an ordeal for the average guy in his driveway. The short of it is, after all the steps are done and temp is right, it should be at the edge of the fill hole and you should let the excess run out of the hole.

Another little tidbit is that the filter and pan are ONE and not serviced separately. Good news though....they put a drain plug in the trans pan!...100 years too late
 

Last edited by TNtech; Sep 8, 2013 at 09:46 PM.
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Old Sep 8, 2013 | 09:43 PM
  #19  
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So, based on the temp read after following some procedure you then decide whether to add fluid based on some temp scale?

Rob
 
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Old Sep 8, 2013 | 09:52 PM
  #20  
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Ok, found it.

  1. Raise and support the vehicle on a level hoist
  2. Start the engine.
    The engine must continue to run through step 16.
  3. Using a scan tool or
    the vehicle information center, verify that the transmission fluid temperature
    is below 30°C (86°F).
  4. Disable traction
    control (ESC).
  5. Remove the fill plug
    from the right rear of the transmission case.
  6. Add transmission
    fluid until it trickles from the fill opening.
  7. Install the fill
    plug.
  8. Lower the vehicle
    for access to inside of the vehicle, leaving the tires at least 8 inches off the
    ground.
  9. With the brakes
    applied, place the transmission in Reverse and hold for 5 seconds.
  10. Place the
    transmission in Drive and hold for 5 seconds.
  11. Release the brakes,
    slowly accelerate to 2nd gear and hold for 5 seconds.
  12. Apply the brakes and
    place the transmission in Neutral.
  13. Raise the engine
    speed to 2000 RPM for 5 seconds.
  14. Return the engine to
    idle and place the transmission in Park.








    NOTE:

    A full transmission will have fluid at the fill hole with the transmission
    between 30°C (86°F) and 50°C (122°F). Do not over fill.

  15. Remove the fill plug
    and allow excess fluid to drain from fill hole or add fluid as necessary.
  16. Install the fill
    plug.
  17. Using a scan tool,
    clear any DTCs.
 
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