tranny fluid change - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 24 (permalink) Old 03-16-2008, 01:13 PM Thread Starter
 
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tranny fluid change

anyone out there change their own transmission fluid?? I know that pulling the drain plug will only drain the fluid that is in the pan, not in the torque converter........... how much fluid do you get to change by doing this??:thanks:
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post #2 of 24 (permalink) Old 03-16-2008, 02:09 PM
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8 quarts for pan fill. I would use either Castrol Transyd (available at an Allison dealer cheaper than a GM dealer), or Amsoil Torque Drive. I had Torque Drive in my old truck and it made a noticable differance in the way the trans handled itself.

Tony

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post #3 of 24 (permalink) Old 03-16-2008, 03:47 PM
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Tony, is that capacity for the regular pan or deep one?
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post #4 of 24 (permalink) Old 03-16-2008, 04:02 PM
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Is there a way for the average person to "flush" the tranny? I know in the Ford's you can setup sme hoses,etc. and accomplish this.
post #5 of 24 (permalink) Old 03-16-2008, 05:06 PM
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Quote:
Originally Posted by TheBac
Tony, is that capacity for the regular pan or deep one?
That is the regular one as far as I know.

Tony

2001 GMC 2500HD EC/LB, 4X4. A few go fast goodies. 540hp/1107tq Danville Dyno 11/09, Kennedy 40% injectors.

05 IH 9400i with Cummins ISX pulling a lumber bunk trailer, stuck in a swamp somewhere in Indiana.

Proud Veteran Served 6yrs Active Army From Germany, Kuwait and Bosnia to Ft. Hood and Ft. Knox
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post #6 of 24 (permalink) Old 03-16-2008, 05:28 PM
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Quote:
Originally Posted by fordt
Is there a way for the average person to "flush" the tranny? I know in the Ford's you can setup sme hoses,etc. and accomplish this.
There is the "Hoot" method from another website, but I would rather just drop the pan and refill myself.

Tony

2001 GMC 2500HD EC/LB, 4X4. A few go fast goodies. 540hp/1107tq Danville Dyno 11/09, Kennedy 40% injectors.

05 IH 9400i with Cummins ISX pulling a lumber bunk trailer, stuck in a swamp somewhere in Indiana.

Proud Veteran Served 6yrs Active Army From Germany, Kuwait and Bosnia to Ft. Hood and Ft. Knox
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post #7 of 24 (permalink) Old 03-16-2008, 06:52 PM
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Why not just drain, refill with the new fluid, run a few miles, drain again, install fluid & filter. Done.

You need to do 2 changes, but it might be the most simple way. You lose 8-10 quarts of new fluid, but what's that? $40 bucks?
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post #8 of 24 (permalink) Old 03-16-2008, 07:03 PM
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I somewhat agree with ya Duke, but why not just leave in the fluid that you just changed for say 10K or more that way you get your moneys worth so to say?

Thats why I am just going to drain the fluid and fill with fresh, drive for a year and change again. Change every year or two and just keep doing that until the tranny cannot handle the power I will be throwing at it in the near future with my soon coming EFI Live.

Tony

2001 GMC 2500HD EC/LB, 4X4. A few go fast goodies. 540hp/1107tq Danville Dyno 11/09, Kennedy 40% injectors.

05 IH 9400i with Cummins ISX pulling a lumber bunk trailer, stuck in a swamp somewhere in Indiana.

Proud Veteran Served 6yrs Active Army From Germany, Kuwait and Bosnia to Ft. Hood and Ft. Knox
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post #9 of 24 (permalink) Old 03-16-2008, 07:24 PM
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Quote:
Originally Posted by Horsehaulin
I somewhat agree with ya Duke, but why not just leave in the fluid that you just changed for say 10K or more that way you get your moneys worth so to say?

Thats why I am just going to drain the fluid and fill with fresh, drive for a year and change again. Change every year or two and just keep doing that until the tranny cannot handle the power I will be throwing at it in the near future with my soon coming EFI Live.

Tony
OH yeah! I agree. :Thumbup:

I just thought you'd want to get it all changed right away. That's what I did. Your idea is more economical.
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post #10 of 24 (permalink) Old 03-16-2008, 11:23 PM
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Thanks Duke, I have actually decided to now go a differant route. With the way the year is going at work, I can see long nights and good paychecks on the horrizon. I am going to change the fluid with Mercron V and let it run through that until I take it to Eric @ Merchant next summer. I am going to have him install a trans capable of 650HP and stop there as I want my truck to be streetable and have some towing manners too. Makes no sense to invest the Amsoil in a trans that is only going to be the truck for just another year. I will keep up the maintenance on the trans, but I dont waste the fluid.

Tony

2001 GMC 2500HD EC/LB, 4X4. A few go fast goodies. 540hp/1107tq Danville Dyno 11/09, Kennedy 40% injectors.

05 IH 9400i with Cummins ISX pulling a lumber bunk trailer, stuck in a swamp somewhere in Indiana.

Proud Veteran Served 6yrs Active Army From Germany, Kuwait and Bosnia to Ft. Hood and Ft. Knox
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