Fluid Capacities

H3 Specific Information

Re: Fluid Capacities

Postby CBphoto » Fri Aug 10, 2007 8:17 pm

'06 manual says to fill t-case with Dextron III
'10 H3T Alpha, 35" Cooper STT's, 4:1 t-case, cranked, Hunner Xtreme Skids, AirDoc, Highmount Winchmount, Warn xd9000i, Lots-O-Line-X, X-Tang bed cover, UCP, what'd I miss?
'06 Green H3 Adv., now retired (to my 16 yr old), he'll wreck it soon, I imagine...but he'll live, I pray.

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Re: Fluid Capacities

Postby f5fstop » Fri Aug 10, 2007 8:29 pm

MIhummer wrote:'06 manual says to fill t-case with Dextron III


And so does mine. If you read my original post, you wil see why I'm confused, and have to become unconfused on Monday. If I'm confused, imagine the techs, if they look at the Owner's manual, service manual, and spec, then the bulletin. :wall:
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Re: Fluid Capacities

Postby Mark » Fri Aug 10, 2007 9:37 pm

That for the clarification f5 8)
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Re: Fluid Capacities

Postby f5fstop » Sat Aug 11, 2007 7:43 am

I just re-read that post and there were a few typos, and so I went back to clarify. Changes are in red.
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Re: Fluid Capacities

Postby Mark » Mon Aug 13, 2007 2:05 pm

I have one question, why do they not put drain plugs in transmission pans :wall:
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Re: Fluid Capacities

Postby PhilD » Mon Aug 13, 2007 2:25 pm

Mark wrote:I have one question, why do they not put drain plugs in transmission pans :wall:
They do in good ones. As you have to remove the pan anyway, I guess they figure they can just go cheap and save the 10c.

I'm not sure of the process for draining the H3 tranny, but a lot of transmissions have a knock out plug on the bell housing, pry it out and rotate the engine manually until the TC drain plug shows, then you can drain the TC.
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Re: Fluid Capacities

Postby Mark » Mon Aug 13, 2007 2:29 pm

PhilD wrote:They do in good ones. As you have to remove the pan anyway, I guess they figure they can just go cheap and save the 10c.


:wall:

Scout didn't have one either but I fixed that :lol:

PhilD wrote:I'm not sure of the process for draining the H3 tranny, but a lot of transmissions have a knock out plug on the bell housing, pry it out and rotate the engine manually until the TC drain plug shows, then you can drain the TC.


Didn't think to look for that, will have to see.
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Re: Fluid Capacities

Postby PhilD » Mon Aug 13, 2007 2:36 pm

Don't forget to heat the tranny up first so any contaminant is suspended in it, and to make dropping a full pan even more fun, hot ATF all over your arms is so much fun :lol: :lol: :lol:
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Re: Fluid Capacities

Postby f5fstop » Tue Aug 14, 2007 5:47 am

No drain in the TC.
As for trans drain/fill, I'm a firm believe of trans flushes, when done with the RIGHT tool, and I don't mean those dumpy little flushers at the local oil change shop.

As for the fluid in the t/case, stay tuned.... :wall:
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Re: Fluid Capacities

Postby f5fstop » Tue Aug 14, 2007 6:04 pm

Ok, some more information.
Dexron III and the Manual transaxle transaxle fluid I posted in the procedure for draining and filling the underbody components is the SAME fluid. The reason for the name change is that Dexron III trademark is going away, so GM gave it a more generic name. Now, to add confusion to all this. I am awaiting further proof that for the Borg Warner t/cases, Dexron VI can or cannot be ued. It cannot be used on New Venture t/cases, and the Tremac manual trans used on Vettes and Cadillacs due to Dexron VI being so darn slippery, it messes up the synros on those manual transaxles (go figure that one out).
Anyway, 06/07 is safe to use the manual trans fluid or Dexron III. There may not be much Dexron III left out there.

Will advise when I learn about Dexron VI.
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Re: Fluid Capacities

Postby Mark » Wed Aug 15, 2007 8:30 am

As usual, thanks for the update 8)

f5fstop wrote:There may not be much Dexron III left out there.


I had never heard of Dexron VI before checking the manual and when I went to the parts store and asked for Dex VI the guys behind the counter were like deer in headlights. Guess that's why they work behind the counter :lol:

They had a ton of Dex III but I guess that is going away soon? So what about old vehicles that spec Dex III?
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Re: Fluid Capacities

Postby f5fstop » Sun Aug 26, 2007 2:52 pm

Service information fluid specifications for the t/case have been updated to the following:
Dexron VI for all model years. Therefore, if your owner's manual states Dexron III or Manual transaxle fluid, you can use Dexron VI safely.

I should state this is only true for the BW 4493/4494 transfer cases used on the H3, so if you have another GM vehicle, with a different case (primarily New Venture), than there is a good reason to believe Dexron VI is not recommended.
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Re: Fluid Capacities

Postby H3slate » Fri Mar 07, 2008 1:42 pm

I knew F5 would have the info I needed. As i went to save this on my pc, I realized that I already had it saved. :wall:

Thanks again, I will be changing out all the fluids shortly and this was exactly the info I needed. (but already had :roll: )
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Re: Fluid Capacities

Postby fourfourto » Fri Mar 07, 2008 2:14 pm

f5fstop wrote:No drain in the TC.
:wall:



If theres no drain how do you remove old fluid ?
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Re: Fluid Capacities

Postby H3slate » Fri Mar 07, 2008 2:40 pm

fourfourto wrote:
f5fstop wrote:No drain in the TC.
:wall:



If theres no drain how do you remove old fluid ?


According to the service manual, there is a drain plug for the transfer case. I think they were referring to the automatic transmission pan, which has no drain plug. You have to drop the pan to drain the auto tranny.
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