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How Much Transmission Fluid Does A 4l80 Trans Hold?


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#1 trx680

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Posted 10 November 2009 - 02:13 PM

I drained and changed the filter on my trans and I refilled it with 7 quarts. I read on here to start off with 7 quarts and go from there but the dipstick is telling me I have way too much fluid. Its showing over an inch above the full mark. I started the engine and shifted through all the gears and checked it with the engine idleing, it was high. I drove it a few minutes, still high. This is my first automatic tranny so this is all new to me.

Its a 2001 Sierra 2500 HD 6.0 with the bigger 4L80 tranny.
Does anyone on here have a shop/repair manual for a 2001 that tells how much fluid to use?

THANKS !!

#2 ken1mod

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Posted 10 November 2009 - 02:43 PM

Let some out . I would disconnect a cooler line. Too much fluid is very basd.

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#3 HD Sierra

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Posted 10 November 2009 - 04:55 PM

When I changed mine last week I used 5 1/2 quarts and it is just a tad over the full mark...
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#4 davidw450

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Posted 10 November 2009 - 08:58 PM

When I changed mine last week I used 5 1/2 quarts and it is just a tad over the full mark...



#5 davidw450

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Posted 10 November 2009 - 09:01 PM

5 qts will put it right on the cold mark do not over fill because it will foam the fluid.also try the new dexron 6 fluid.it's great stuff

#6 See Ya

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Posted 10 November 2009 - 10:35 PM

I believe it takes 13 quarts, my F250's take 12 quarts. I had my 2500HD flushed out back in Jan (first time I ever had a flush done) and the machine had 13 quarts in it and it took all of it and the dipstick read at normal level. When I did the fluid change's on the F250's, I had purchased the tranny fluid in the big jug which is a gallon I think. It took the entire jug, plus a couple of quarts on top of that.
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#7 txab

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Posted 10 November 2009 - 11:26 PM

I drained and changed the filter on my trans and I refilled it with 7 quarts. I read on here to start off with 7 quarts and go from there but the dipstick is telling me I have way too much fluid. Its showing over an inch above the full mark. I started the engine and shifted through all the gears and checked it with the engine idleing, it was high. I drove it a few minutes, still high. This is my first automatic tranny so this is all new to me.

Its a 2001 Sierra 2500 HD 6.0 with the bigger 4L80 tranny.
Does anyone on here have a shop/repair manual for a 2001 that tells how much fluid to use?

THANKS !!


I know the charts show 7+ on the a pan drop and refill. I always start out with less. Last 4L80 I did took about 5 like others have stated. Use the dipstick to determine your level. As stated you can remove one of your cooler lines and drain a qt. or so from it. Then re-check after it has warmed up

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#8 trx680

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Posted 11 November 2009 - 12:57 AM


THANKS !!


I know the charts show 7+ on the a pan drop and refill. I always start out with less. Last 4L80 I did took about 5 like others have stated. Use the dipstick to determine your level. As stated you can remove one of your cooler lines and drain a qt. or so from it. Then re-check after it has warmed up



My pan has a drain plug. I already drained some but it wasnt enough. I'll drain some more out later....thanks for all the responses !!

#9 Mojavered

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Posted 19 November 2009 - 11:34 PM

Transmission Fluid Capacities

4L60-E/4L65-E/4L70-E
Pan Removal 4.7L (5.0 Qt)
Overhaul 10.6L (11.0 Qt)

4L80-E/4L85-E
Dry 12.8L (13.5 Qt)
Pan Removal 7.3L (7.7 Qt)

Allison
Overhaul 12.0L (12.7 Qt)
Fluid Change 7.0L (7.4 Qt)
Jason
11' Sierra CC SLT 4WD 6.2

#10 Mojavered

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Posted 20 November 2009 - 01:13 PM

Sorry, that was 2006 specs, here is the 2001
Transmission Fluid 4L80
Drain and Refill 7.2L (7.7 Qt)
Overhaul 12.7L (13.5 Qt)
Jason
11' Sierra CC SLT 4WD 6.2

#11 govtech4

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Posted 20 November 2009 - 02:20 PM

been there, burnt there,like buddy said ,5 L or qt to start ,full cold ,out the door.specs are wrong,allison is bang on ,60 is 4 L for a dipdish pan ,3.5 L for a regular pan.
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