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How to determine proper fluid level Turbo350

Discussion in 'The Garage' started by Executioner, Nov 22, 2005.

  1. Executioner

    Executioner 1/2 ton status

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    Please give some thought out suggestion on How to get the right/proper
    fluid level for my Auto tranny Th350.
    The dip stick, and the tube, are not matching(married) :confused: ,
    and the tranny seams to function fine, except when climbing up steep
    hills.
     
  2. JK5

    JK5 1/2 ton status GMOTM Winner

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    It would help if you had the right dipstick and tube. Then heat the trans up and check fluid levels. I think my th350 took 10 qts of oil.

    When mine is low on fuilds...the rig doesn't go anywhere when its cold..
    steep grades don't seem to make a difference.
     
  3. beater_k20

    beater_k20 Banned

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  4. bigjbear

    bigjbear 1 ton status Staff Member Moderator

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    Directions on those normally tell you to use your old dipstick to set the level on the new one. The top cap is adjustable. *disclaimer* I haven't bought an aftermarket dipstick in about 10 yrs, so that may not be true anymore.

    If it is in an operating vechical drain the fluid and add the recomended amount for a regular servicing. Then mark the dipstick.
     
  5. beater_k20

    beater_k20 Banned

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    the one listed above is not a universal, it is TH350 specific.
     
  6. bigjbear

    bigjbear 1 ton status Staff Member Moderator

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    I just measured my spare TH350 dipstick and tube. When fully seated it is 1 3/4" from the tube mounting lip- where it sticks into the trans- to in between the "O" & "K" if the dipstick looks like this:
    ---------------------FULL[XXOKXX]ADD-----

    and it is 3 3/8" from the tip of the dipstick to the tube mounting lip.

    Now you could pull your tube & dipstick and compare or go with the serviceable add amount like I said above or maybe both to verify.


    3 3/8 1 3/4
     
  7. JK5

    JK5 1/2 ton status GMOTM Winner

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  8. beater_k20

    beater_k20 Banned

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    i ran that specific one on my '82 C10, and it lined up great. :dunno: bolts to the bellhousing, not the head as some do.
     
  9. Executioner

    Executioner 1/2 ton status

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    Location:
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    There is so many combs, of dipstick and tube, anyone know if there is
    any perminent makings on the tube ? And where on the tube they may be !

    Its a rebuild TH350, and the rebuiled is out of buss. He sold out many years ago, tried to find him but no luck.

    Its seams to be lossing/slipping, when climbing steep short hills offroad
    and shifter is in 1st gear.

    How do you know when its overfilled, cause it seams to run best with more
    fluid, like two quarts more than normal.





     

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