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[FREDSTA]

Hi fellas and fellaesses,
I was going to change the transmission oil and filter on my 80,000 mls '95 2.5, but read in the haynes book that this only needs doing on cars covering more than 20,000 a year, which if you look at the above figures, ain't mine. Has anyone taken this advice and ended up locked up and in a ditch? (O.K. I'll accept anything less dramatic as well).
Cheers, Fredsta.

[batista]

after a period of time the transmission oil becomes thinned and loses it sticky consisancy.at 80,000 miles i think i would change it ,to keep the gearbox working prefect.

[Andy B]

Besides the mileage, it's been in there for the last 13 years, a change won't do any harm & you might even be pleasantly surprised at the difference it makes. It can be a messy job though as GM thoughtfully missed off the oil fill/dip stick tube. :-? (assuming it's an auto)

[feeutfo]

auto, i think change at 60k, and have read a guide saying the same, service intervals in the either tech or faq section. So yes change it.
Manual, not sure...

[FREDSTA]

Yes, it's an auto.

[Varche]

Definitely change it.

There is plenty of info on here about how to do it, where to get the gaskets and filter from and how to refill.

far far better than having a failure or a dropping off of performance.

varche  

[Lizzie_Zoom]

According to my Vx dealers part department, which has been proved to be 100% realible so far, only one ATF is suitable for Omega's auto boxes and power steering.  The ATF is unique to Omega's in the Vx range they told me!

The part number is 093165414 for a litre at £6.71 inc VAT, after trade discount.

[Richard A]

Dexron 3 for both Omega AR25 & AR35 automatic gearbox.
Dexron 2 for power steering.
ie do not use Dexron 3 for power steering as it effects the 'seals'.
regards
richard a

[Lizzie_Zoom]

Dexron 3 for both Omega AR25 & AR35 automatic gearbox.
Dexron 2 for power steering.
ie do not use Dexron 3 for power steering as it effects the 'seals'.
regards
richard a

So  is there a problem in using the ATF supplied by Vx? :-? :-?

[Richard A]

Sorry not aware of the product your part number refers to, but it could be Dexron 2 which was used at one time in the Vauxhall auto box range, the Vauxhall bible was later updated for Dexron 3 to supersede Dexron 2 for all auto's.
regards
richard a

[feeutfo]

Dexron 3 for both Omega AR25 & AR35 automatic gearbox.
Dexron 2 for power steering.
ie do not use Dexron 3 for power steering as it effects the 'seals'.
regards
richard a

So  is there a problem in using the ATF supplied by Vx? :-? :-?

Vx now not stocking dex 3, they had to scout round nearest dealers to get enough 1litre bottles when i did mine, and they not the cheapest.
Dex 2 now replaces 3 according to vx. But dex 2 in the omega box is not a known quantity, so 3 is recommended as its is known. Or it was last time i posted about it. There are "useful links" in the tech or faq pages iirc for oil suppliers.

[dbug]

According to my Vx dealers part department, which has been proved to be 100% realible so far, only one ATF is suitable for Omega's auto boxes and power steering.  The ATF is unique to Omega's in the Vx range they told me!

The part number is 093165414 for a litre at £6.71 inc VAT, after trade discount.

Dexron 3 - GM Part Nş 93160372

[edit]£3.89 / litre +VAT on TC!!![/edit]

Vx now not stocking dex 3, they had to scout round nearest dealers to get enough 1litre bottles when i did mine, and they not the cheapest.
Dex 2 now replaces 3 according to vx. But dex 2 in the omega box is not a known quantity, so 3 is recommended as its is known. Or it was last time i posted about it. There are "useful links" in the tech or faq pages iirc for oil suppliers.

Bought some Dex 3 from my local stealers a couple of weeks back - hence the part nş given above

[Lizzie_Zoom]

According to my Vx dealers part department, which has been proved to be 100% realible so far, only one ATF is suitable for Omega's auto boxes and power steering.  The ATF is unique to Omega's in the Vx range they told me!

The part number is 093165414 for a litre at £6.71 inc VAT, after trade discount.

Dexron 3 - GM Part Nş 93160372

[edit]£3.89 / litre +VAT on TC!!![/edit]

Vx now not stocking dex 3, they had to scout round nearest dealers to get enough 1litre bottles when i did mine, and they not the cheapest.
Dex 2 now replaces 3 according to vx. But dex 2 in the omega box is not a known quantity, so 3 is recommended as its is known. Or it was last time i posted about it. There are "useful links" in the tech or faq pages iirc for oil suppliers.

Bought some Dex 3 from my local stealers a couple of weeks back - hence the part nş given above

Thanks for all that, but it has left me confused!

On checking the current Vx parts system the Parts man stated that part no. 093165414 is the only one listed for Omega's. :-? :-?

Only using what he supplied me with for the power steering, but I will be thoroughly checking this one out when I do the box!

[dbug]

Dex 3 mustn't be used for power steering - Dex 2 is for power steering - thats what you were probably supplied against that part nş (93165414)

I have the Dex 3 bottle here with part Nş marked on it (93160372) and Vx invoice!!

My stealer knew Dex3 for autoboxes & Dex2 for power steering

[dbug]

Apparently Dexron is a GM standard (Ford standard for ATFs is Mercon).  Dexron 3 is a totally different oil and not just an improvement on Dexron 2, and therefore is not always a direct replacement for Dex2.