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#2129866 - 01/06/11 06:01 PM 2003 Silverado, Delvac ATF in tranny, t case & PS
ledslinger Offline


Registered: 06/21/09
Posts: 979
Loc: Missouri
I got a good stash of Delvac tes 295 synth ATF, and am going to use it in the trans, Power steering and transfer case. Anything better than this for any of these uses? Truck has 24K easy miles.

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#2129868 - 01/06/11 06:03 PM Re: 2003 Silverado, Delvac ATF in tranny, t case & PS [Re: ledslinger]
xxch4osxx Offline


Registered: 03/11/09
Posts: 1857
Loc: Cedarbrae, Ontario
What kind of transfer case do you have? The auto 4x4 transfer cases you can only use Auto-Trak II fluid in and you have to get that at a dealer.
_________________________
2015 RAM SXT Crew Cab 5.7 with 6 speed tranny.

2008 Mazda 3 GS Sport Hatchback 5sp MT (Girlfriend's car)


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#2129912 - 01/06/11 06:47 PM Re: 2003 Silverado, Delvac ATF in tranny, t case & PS [Re: ledslinger]
ledslinger Offline


Registered: 06/21/09
Posts: 979
Loc: Missouri
Manual transfer case.

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#2130020 - 01/06/11 07:55 PM Re: 2003 Silverado, Delvac ATF in tranny, t case & PS [Re: ledslinger]
4Kings Offline


Registered: 12/08/09
Posts: 111
Loc: NE Missouri
There has been some discussion on the truck forums about using Dex IV in tcases, especially ones originally designed for Dex III. Seems some guys have had issues, can't remember the exact issues though, might want to check.

I run Dex IV in the 4L80 and DexIII in the tcase.

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#2130028 - 01/06/11 08:04 PM Re: 2003 Silverado, Delvac ATF in tranny, t case & PS [Re: ledslinger]
unDummy Offline


Registered: 02/01/03
Posts: 8756
Loc: RI
TES295 is a great DexronIII ATF for your trans and xfer case.

GM PS use PSF.

You should find out which model number xfer case you have and research it. Some are engineering failures. If it is a lemon, I'd would skip the ATF and use an MTF/MTL type fluid.
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#2130061 - 01/06/11 08:29 PM Re: 2003 Silverado, Delvac ATF in tranny, t case & PS [Re: ledslinger]
ledslinger Offline


Registered: 06/21/09
Posts: 979
Loc: Missouri
I know about the case failures, and am going to install a tab washer in the case.

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#2131246 - 01/07/11 07:14 PM Re: 2003 Silverado, Delvac ATF in tranny, t case & PS [Re: ledslinger]
ledslinger Offline


Registered: 06/21/09
Posts: 979
Loc: Missouri
Did the transmission today, cooler line exchange with no filter change. Drained it, then ran 13 quarts of tes 295 though it. Might shift smoother now. Still debating about what to use in the steering.

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#2131254 - 01/07/11 07:20 PM Re: 2003 Silverado, Delvac ATF in tranny, t case & PS [Re: ledslinger]
unDummy Offline


Registered: 02/01/03
Posts: 8756
Loc: RI
Steering, Lubegard, Redline, RoyalPurple, Amsoil all have great PSF's. And, if the weather is cold in Mizzourah, GM cold climate PSF is an easy choice.
_________________________
Those who say it cannot be done, should not interrupt the person doing it.
Your automaker lied!
Is this a spelling/grammar forum or BITOG?

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#2134204 - 01/10/11 02:51 PM Re: 2003 Silverado, Delvac ATF in tranny, t case & PS [Re: 4Kings]
SLJ2137694 Offline


Registered: 11/16/06
Posts: 34
Loc: Danielsville, PA
Originally Posted By: 4Kings
There has been some discussion on the truck forums about using Dex IV in tcases, especially ones originally designed for Dex III. Seems some guys have had issues, can't remember the exact issues though, might want to check.

I run Dex IV in the 4L80 and DexIII in the tcase.


There is no such thing as DEXRON IV, do you mean DEXRON VI?
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Retired from General Motors Product Service Engineering.
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#2134434 - 01/10/11 05:52 PM Re: 2003 Silverado, Delvac ATF in tranny, t case & PS [Re: xxch4osxx]
Loobed Offline


Registered: 07/20/07
Posts: 3742
Loc: Northern California, USA
Originally Posted By: xxch4osxx
The auto 4x4 transfer cases you can only use Auto-Trak II fluid in and you have to get that at a dealer.


+1

Napa also carries it, but I can't find the product number.
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Engine: 2001 GM 5.3L LM7
Current Fill: Valvoline Synpower 5w-30 w/Pure-One PL25288 filter

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