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Fluid capacities

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by horsepit, Jan 6, 2002.

  1. horsepit

    horsepit Registered Member

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    Where can I find capacities for the transfer case, transmission, axles, etc. I'm looking to replace them all with Redline synthetic. I use it in my Corvette and it really smoothed out the 6-speed. Anyone else using synthetics?

    1987 Blazer, Rancho 4"
     
  2. BadDog

    BadDog SOL Staff Member Super Moderator Author

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    Various manuals like Chiltons or Haynes. Or call a parts house and they can look it up.

    Russ

    85 K30 CUCV, 350 TBI, TH400, 205, D60/C14, 4.56 Locked
    Some day: 4" lift, 44" tires, massive cutting, shorter wb and rear overhang.
     
  3. horsepit

    horsepit Registered Member

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    Hey Russ
    I went to Pep Boys and bought a Haynes, but it only has recommended types not capacities.

    1987 Blazer, Rancho 4"
     
  4. Ryan B.

    Ryan B. 3/4 ton status GMOTM Winner

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    Haynes manual says to "drain and refill to proper level with the correct grade of oil." ...not much help.

    Chilton's manual... looks like...to refill after draining...
    4speed=8.0 pts.
    Auto TH-350= 5.0 pts ...More if used with an tranny oil cooler.
    Auto TH-400= 7.0 pts.
    Auto TH-700R4= 10.0 pts
    NP 208= 6.0 pts
    Front axle= 5 pts
    Rear axle= 8 1/4" ring gear?? = 4.25 pts
    8 1/2" ring gear= 4.2 pts
    8 7/8" ring gear= 3.5 pts
    9 3/4" ring gear (Dana)= 6.0 pts
    10 1/2" ring gear (Dana)= 7.2 pts
    10 1/2" ring gear (Chevy)= 6.5 pts

    I could be wrong on this, but this is straight out of my Chilton's manual. Hope this helps.


    [Real Men Don't Care About Gas Mileage Or Rapid Tire Wear!]
    Ryan B.
     
  5. BadDog

    BadDog SOL Staff Member Super Moderator Author

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    I had one of those old big Chiltons that had them in it. I just looked at this piece of junk Chilton I now have and, it doesn't list them. Anyway, I just changed fluid in both axles and the case. I went to Checker, had them look up the capacities. Added it up and came up with just over 2 gallons so I got 2.25 gallons of 80W90. Got a quart left so all is well...

    Russ

    85 K30 CUCV, 350 TBI, TH400, 205, D60/C14, 4.56 Locked
    Some day: 4" lift, 44" tires, massive cutting, shorter wb and rear overhang.
     
  6. BadDog

    BadDog SOL Staff Member Super Moderator Author

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    Oh well, I just found it in my special purpose Chiltons. I just got it and don't know where everything is yet. Frankly I rarely use it, I mainly got it for torque specs and such...

    Russ

    85 K30 CUCV, 350 TBI, TH400, 205, D60/C14, 4.56 Locked
    Some day: 4" lift, 44" tires, massive cutting, shorter wb and rear overhang.
     
  7. horsepit

    horsepit Registered Member

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    Thanks Ryan
    Did it say if the 10 qts for the TH700R4 included the converter? Also how do I know which axle I have? It's a 10 bolt, is that the 8 1/4"?

    1987 Blazer, Rancho 4"
     
  8. horsepit

    horsepit Registered Member

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    Russ
    I though the transfer case took ATF? Or is that just on the NP 208s?

    1987 Blazer, Rancho 4"
     
  9. BadDog

    BadDog SOL Staff Member Super Moderator Author

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    For 205s, late cases call for ATF, older cases GL5 (80/90). Same case, same parts, same tolerances. I prefer the heavier oil so that is what I use. It's also what I always used on my older 205s so, sticking with what I know...

    Russ

    85 K30 CUCV, 350 TBI, TH400, 205, D60/C14, 4.56 Locked
    Some day: 4" lift, 44" tires, massive cutting, shorter wb and rear overhang.
     
  10. Ryan B.

    Ryan B. 3/4 ton status GMOTM Winner

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    It didn't say if that was including the torque converter or not. I would assume so... you fill the tranny down the dipstick tube, then turn over the engine a couple times to pump up the converter then check the fluid level, and add as necessary.

    I thought the 10 bolt rears are 8 1/2" and the 12 bolts are 8 7/8" ring gears... thats why i put a ? next to the 8 1/4" but 4.2pts and 4.25pts ...whats the difference?[​IMG]

    [Real Men Don't Care About Gas Mileage Or Rapid Tire Wear!]
    Ryan B.
     

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