Can someone confirm this before I purchase ? - Page 3 - Chevy and GMC Duramax Diesel Forum
Transmission Shop Discuss the Allison OEM, aftermarket, and the ZF-6.

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post #21 of 24 (permalink) Old 09-29-2019, 07:17 PM
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Quote:
Originally Posted by AlisoBob View Post
Drive it around the block.... done.

Why go through all the hassle of doing it on another day.

Do it while all your stuff is out, and ready to go.
Iím pretty sure Iíd be able to put on 25-30 miles on the same day

Dan
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post #22 of 24 (permalink) Old 10-03-2019, 05:32 PM
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Bucket

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Originally Posted by D_R_C View Post
To try to get out as much old fluid you can, a few has said you might get about 85%-90% changing the double drain method.
What I started doing after flushing about $120 down the toilet using transynd doing the double drain, I let my truck set for a couple of days up on 6Ē blocks, then removed the drain plug measured getting out 13 1/2 quarts, with the Allison deep pan, which should be around 75%, I had just did a drain and re-fill.

Drain your fluid into a measuring bucket, (pictured below) then you wonít have to be worried on how much to put back in.
As long as the Dex 6 is in decent shape with a pretty red color, I donít think itíd be a problem.
If itís pretty crappy and burnt, then maybe the double might be better choice.

Mines been changed 3 times (dropping the pan, not counting my double drain)
and I only have 84k miles, the inside of the pan and fluid has always looked very good.
Where did you get the bucket?

2019 GMC Sierra 3500HD CC SB 4X4 6.6 SLT SRW
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post #23 of 24 (permalink) Old 10-03-2019, 05:48 PM
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Lowe’s had the 5 gallon measured bucket.
Home Depot had a 10qt/2.5 gallon bucket.
I say had because who knows when they’ll change stock.
The stock Allison pan holds approx 7.5 qts on a normal drain and re-fill.
The deep Allison pan is around 9.5 qts on a normal drain and re-fill.

Most will always ask how much fluid, , this depends on how you go about this.
Measuring what you remove saves a lot of guessing on how much to put back in.
Then check the level when your all done.

I’ve found having the level when operating temps in the middle of the high and low hot hash marks.
Some like the level just above the low level hot hash mark.
The front tires on 6” blocks
Good luck and Have fun

Dan
2007.5 GMC Sierra 3500 SRW L.B."BLACK" C.C. 4X4 LMM Z71
DIY stock airbox mod, aFe ProGuard 7, OEM drop-in
EFILive ECM ATP - Heavy Tow Tune with Turbo Brake.
EFILive TCM Duramax Tuner
DHD Cold Side High Flow Intake Pipe
DHD PCV Re-Route
AirDog 4G100

2007 Yukon Denail "BLACK" 6.2 gasser
DIY stock AirBox Mod, K&N, Airaid intake, EFILive TCM only tuning
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post #24 of 24 (permalink) Old 10-03-2019, 06:26 PM
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Thanks for the info on the bucket

2019 GMC Sierra 3500HD CC SB 4X4 6.6 SLT SRW
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