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Old 10-06-2005, 09:53 PM   #1 (permalink)
mp4037
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Transmission Fluid Capacity

Does anyone know transmission fluid capacity for a K2500 95 Suburban with the stock 17 bolt pan? I have not been able to find it anywhere. Chiltons says 5 pints but that seems low.
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Old 10-06-2005, 10:16 PM   #2 (permalink)
THEFERMANATOR
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I know when I changed my filter in mine it was 5 quarts. Mine also has the deep stock pan. Most of the 4L80's had a shallow pan with a drain plug that I have seen.
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Old 10-06-2005, 10:31 PM   #3 (permalink)
mp4037
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5 quarts seems closer to the right amount. I took about 2 gallons out I think...but i'm not sure since I dumped about half that in my driveway. I was expecting 5 pints and only had a pan that would hold 1-1 1/2 gallons. the stick was showing that it was overfilled quite a bit while hot.

It would sure be nice to know definitively what the capacity is.
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95 GMC Suburban
K2500 3.73 gear, 4L80-E, HD Transmission Cooling,
6.5L Turbo HO F series
Heath Remote Mount PMD, Bilsteins, PowerSlot rotors and Hawk Pads
Back seat Monkey and a Toggle Switch in the Glove Box
231,000 Miles
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Old 10-07-2005, 06:21 AM   #4 (permalink)
guybb3
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I think it was 5 quarts in the pan and 8 quarts in the rest of the tranny for a 13 quart total, iirc.
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96 1500 4x4 suburban F-series engine
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B&M Deep Tranny Pan
Remote fuel filter with 1R-0749 CAT 2 micron filter or Donaldson P551000 and 200 watt electric pad heater
Walbro FRB-5 Lift Pump
Dipaco Remote FSD with #9 resistor behind bumper
1999 High capacity (opt K47) Air box-Amsoil EaO filter
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Old 10-07-2005, 07:45 AM   #5 (permalink)
peters31
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does it take regular transmission fluid or can you use motor oil like some marine diesels use??
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Old 10-07-2005, 08:00 AM   #6 (permalink)
guybb3
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Quote:
Originally Posted by peters31 View Post
does it take regular transmission fluid or can you use motor oil like some marine diesels use??
Tranny fluid. Do yourself a favor and spend the money and use synthetic.
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96 1500 4x4 suburban F-series engine
3 to 4 inch exhaust
Oilguard bypass oil filter with additional permacool dual remote oil filters adapted to take two 1 1/2 quart Mobil 1 m1-403 filters---10.5 quart capacity now
B&M Deep Tranny Pan
Remote fuel filter with 1R-0749 CAT 2 micron filter or Donaldson P551000 and 200 watt electric pad heater
Walbro FRB-5 Lift Pump
Dipaco Remote FSD with #9 resistor behind bumper
1999 High capacity (opt K47) Air box-Amsoil EaO filter
AT&T Turbo-Vacuum pump deleted
4 wheel disc brakes-4 headlight on Mod
Member #1 of The Diesel Place Black Belt Club
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got gixxer 1000? hang on!!
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Old 10-07-2005, 09:53 AM   #7 (permalink)
Fred482`
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When servicing an automatic transmission, I put in a couple of quarts to get the lube to the pump and then, start checking after each quart. Once it "hits the stick", be careful! The shape of the case changes once you get past the pan rail. A little goes a long ways! I add until it hits about 1/8" below the "add" mark and then road test it. After it reaches operating temp, I let it settle while idling in the shop and then recheck the stick. Add to just below the full mark. Anywhere between the marks is good. The fluid "grows" when heated so it's good to have it below the "full" mark when idling at operating temps.

Most models will take about 4-5 quarts, give or take a quart after a filter and gasket service. When filling an overhauled 400 or 700, figure on 12-14 quarts, depending on convertor and pan depth. Use the latest Dexron package or the equivalent in synthetic.
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Old 10-07-2005, 11:54 AM   #8 (permalink)
mp4037
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Thanks a bunch for the response!!
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95 GMC Suburban
K2500 3.73 gear, 4L80-E, HD Transmission Cooling,
6.5L Turbo HO F series
Heath Remote Mount PMD, Bilsteins, PowerSlot rotors and Hawk Pads
Back seat Monkey and a Toggle Switch in the Glove Box
231,000 Miles
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Old 10-09-2005, 08:25 PM   #9 (permalink)
jmkglloyd
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So what'll happen if you overfill? Is there easier way to drain some out without cracking the pan off again?
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Old 10-10-2005, 05:13 AM   #10 (permalink)
guybb3
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Quote:
Originally Posted by jmkglloyd View Post
So what'll happen if you overfill?
Don't do it. Add a little at a time until full.
__________________
96 1500 4x4 suburban F-series engine
3 to 4 inch exhaust
Oilguard bypass oil filter with additional permacool dual remote oil filters adapted to take two 1 1/2 quart Mobil 1 m1-403 filters---10.5 quart capacity now
B&M Deep Tranny Pan
Remote fuel filter with 1R-0749 CAT 2 micron filter or Donaldson P551000 and 200 watt electric pad heater
Walbro FRB-5 Lift Pump
Dipaco Remote FSD with #9 resistor behind bumper
1999 High capacity (opt K47) Air box-Amsoil EaO filter
AT&T Turbo-Vacuum pump deleted
4 wheel disc brakes-4 headlight on Mod
Member #1 of The Diesel Place Black Belt Club
---------------------
got gixxer 1000? hang on!!
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