Omega Owners Forum - PAS fluid: Dexron II or III

kcl Senior Member Offline Posts: 696 Finland Gender: Drives: 2002 Opel Omega 2,6 Caravan Auto	PAS fluid: Dexron II or III 11. Feb 2011 at 13:23 Can't find the threads about this issue... Which is it? Haynes says Dex3, I remember readign that it was changed by GM to Dex2. Which is it? Any harm to pour in a small qty of dex3 if the reservoir is filled with dex2?
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Kevin Wood Global Moderator Admin Team Offline Posts: 20377 Alton, Hampshire Gender: Drives: 3.2 MV6 (LPG), Westfield	Re: PAS fluid: Dexron II or III Reply #1 - 11. Feb 2011 at 13:30 Officially it's Dex II. I think Dex III is incompatible with the hoses and can cause them to leak. That's the urban myth, anyway. Kevin
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kcl

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Posts: 696
Finland
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Drives: 2002 Opel Omega 2,6 Caravan Auto

Re: PAS fluid: Dexron II or III
Reply #2 - 11. Feb 2011 at 13:38

Yes, that I have read but why is it? D3 "superceeds" D2 and should be 100% compatible? As in oils, you can use API SL if requirement is SH etc. And nowadays there's even Dexron VI available... I can understand that you should not put D2 in a D3 designated transmission but in PAS I think even that would be fine...

And, anyway, the Omega PAS will eventually leak it all out Grin

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Entwood

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North Wiltshire
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Re: PAS fluid: Dexron II or III
Reply #3 - 11. Feb 2011 at 13:46

I don't know the reason ... Field Remedy 1570 on TIS clearly states

Quote:

TIS 2000 indicates that the power steering oil specification for Vivaro is
Dexron III. This is now incorrect.
The original fluid was Dexron III (PN 90 510 269, Cat-No. 19 40 763) which
was used to service certain power steering and automatic transmission fluids
(ATF).
This oil is no longer available so a new version of oil Dexron III has been
specified for the affected ATF (PN 93 160 372, Cat-No. 19 40 712) however
this oil is not compatible with power steering systems and should not be
used for this function because this may result in leakages.
To service the power steering system the oil now specified has reverted back
to Dexron II (PN 90 350 342, Cat-No. 19 40 700).
This should prevent any confusion when trying to select the correct oil for
the correct application.
NOTE: This information is valid for all models except Sintra (partnumber
90 513 486, Cat: 19 40 707) and Astra-G/Zafira/Vectra-C/Signum (partnumber
93 160 458, Cat: 19 40 715).

Although the script says "vivaro" the "models" list clearly says

Quote:

Vivaro 2001...,Movano 1999...,Omega-B 1994...,Frontera-B 1999...

Full page available on TIS2000 [E0001570]

HTH

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kcl Senior Member Offline Posts: 696 Finland Gender: Drives: 2002 Opel Omega 2,6 Caravan Auto	Re: PAS fluid: Dexron II or III Reply #4 - 11. Feb 2011 at 14:09 Ok, that convinced me. Will source some D2 and refill with it. Or, then again, the amount D3 I poured in is quite small...
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henryd Omega Baron Offline Posts: 2172 west cornwall Gender: Drives: Merc E220 estate,previous ride 2.5 elite estate	Re: PAS fluid: Dexron II or III Reply #5 - 11. Feb 2011 at 14:48 wasn't the original transmission spec dex 2?,I presume the transmissions don't mind dex 3
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Lizzie Zoom

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Ashford, Kent
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Drives: 2000 Omega 3.0 Elite Auto

Re: PAS fluid: Dexron II or III
Reply #6 - 11. Feb 2011 at 14:55

henryd wrote on 11. Feb 2011 at 14:48:

wasn't the original transmission spec dex 2?,I presume the transmissions don't mind dex 3

Maybe, but somewhere along the line Vx got into a pickle over what Dexron to recommend. I remember when I not long ago went to my Vx dealer and their system was stating a new Dexron VI was to be used on Omega's. Within a few weeks that advise had been replaced with talk of Dexron III. Never did change the ATF though, as that Omega was written off shortly afterwards!! Roll Eyes

So what I am saying is watch and question any advise you are given, only deciding which to use once you are entirely satisfied you have the right Dexron in mind! Tongue

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« Last Edit: 11. Feb 2011 at 14:56 by Lizzie Zoom »

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henryd

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Re: PAS fluid: Dexron II or III
Reply #7 - 11. Feb 2011 at 15:58

Lizzie Zoom wrote on 11. Feb 2011 at 14:55:

henryd wrote on 11. Feb 2011 at 14:48:

wasn't the original transmission spec dex 2?,I presume the transmissions don't mind dex 3

Maybe, but somewhere along the line Vx got into a pickle over what Dexron to recommend. I remember when I not long ago went to my Vx dealer and their system was stating a new Dexron VI was to be used on Omega's. Within a few weeks that advise had been replaced with talk of Dexron III. Never did change the ATF though, as that Omega was written off shortly afterwards!! Roll Eyes

So what I am saying is watch and question any advise you are given, only deciding which to use once you are entirely satisfied you have the right Dexron in mind! Tongue

I am even more confused now after looking on autodata as they say dexronIIE for the autobox and dexron III for the power steering which is at odds with entwoods post re the tis 200 Sad

ps sorry for the threadjack kcl Thumbs Up!

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« Last Edit: 11. Feb 2011 at 15:59 by henryd »

other drives Fiat ulysses 2.0 16v
peugeot 406 hdi 110
Fiesta 1.3 encore yuk
swift utopia to slow the mig down a bit !!

v6 lock kit available locally

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sassanach Senior Member Offline Posts: 805 trowbridge Gender:	Re: PAS fluid: Dexron II or III Reply #8 - 11. Feb 2011 at 21:21 i throw dexron V1 into everthing now,and as far as i,m aware all dexron is backwards compatible with previous versions
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chrisgixer Omega King Offline Black ones are faster. Posts: 14570 Wokingham Gender: Drives: "Omega Black" 3.2 Elite. Thanks to Joshwyatt.	Re: PAS fluid: Dexron II or III Reply #9 - 11. Feb 2011 at 22:24 It is backwards compatible... For everything except vx pas pipes it seems. Going by tis and oof service guides. So IMO, given the proven route is well documented all we need to know is ... Pas dex 2 ATF dex 3
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osealy Intermediate Member Offline Posts: 403 dublin Gender: Drives: 2 X td auto elite est 97 & 99 525D 01	Re: PAS fluid: Dexron II or III Reply #10 - 11. Feb 2011 at 23:51 I used D111 for my Pas after it started leaking, after 15k mls and 7-8 litres it stopped leaking & have used it for the velvetdrives in my boats. It's supposed to be backwards compatible. Apparantly there was some D111 that the hoses didn't like, in the past.
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TheBoy Administrator Offline TBE has an MOT! Posts: 64817 Brackley, Northants Gender: Drives: 98 MV6, 03 Elite, 00 25, 89 ZX10	Re: PAS fluid: Dexron II or III Reply #11 - 12. Feb 2011 at 11:16 Remember it was a very specific DIII that caused problems. So chancs are, most DIII will be fine. DIII for Omega gearboxes due to longer life, and its classed as a sealed box.
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henryd Omega Baron Offline Posts: 2172 west cornwall Gender: Drives: Merc E220 estate,previous ride 2.5 elite estate	Re: PAS fluid: Dexron II or III Reply #12 - 12. Feb 2011 at 12:46 TheBoy wrote on 12. Feb 2011 at 11:16: Remember it was a very specific DIII that caused problems. So chancs are, most DIII will be fine. DIII for Omega gearboxes due to longer life, and its classed as a sealed box. thanks TB,clears that up,mines due a change before pikey wagon haulage starts this year
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