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[Thingymabob]

According to the manual for the 2.5 litre V6 engine (X25XE), 5.75 litre is the specified oil volume.
My problem is that when I did my first oil change on this car a few days ago, I got exactly 7 litres out of the engine!
With this oil volume in the engine, the oil level on the dipstick indicates full (spot on max level mark).
When I put 5,75 litres of new oil in the engine, the dip stick is way below the minimum indication mark (yes, I waited for 30 minutes or so before measuring  ).
My spontanious reaction is that the dipstick might be too short. If i measure the full length that goes in the metal dipstick tube (from the very end of the dipstick to the plastic "flange" in the handle) this is 578 mm. From the end of the dipstick to the min mark, it is 11 mm and to the max mark it is 24 mm. See these photos for clarification:
http://ladda-upp.se/bilder/trysyrgptchs/
http://ladda-upp.se/bilder/krvogbyniqlrfj/

Would it be possible for someone with an Omega B 2.5 X25XE (mine is year model 2000, manufactured in December 1999) to measure the dipstick in his/her car? This would make it possible to see if the dipstick in my car maybe is too short.
Thanks.

[Andy H]

My 1994 X25XE had a flat steel dip stick. (gone now so I cannot measure it for you  )

My 2003 Y26SE has a cable type dipstick that looks like yours.

7 litres sounds too much. My oil changes seem to need one 5 litre bottle plus about 3/4 litre so I think the manual is correct.

[dbug]

Oil changes on both out Elites equate to the 5.75 lits quoted - level with max mark on dipsticks.

Think you've got the wrong dipstick mate - neither of ours look like that.  7 lits is too much!

[noel]

your not filling it up to the bulbus part halfway up the stick are you  .as you should be only filling it to the fourth mark on bottom of dipstick.   sorry it was only a thought .

[Thingymabob]

Thanks for the quick replies, highly appreciated 
Your answers sofar reinforces my suspicions that the length on the dipstick is not right.

Does anyone out there have the possiblility to measure a dipstick on their X25XE irl?
And perhaps read out the item number on the handle- mine says 9 202 056.

And yes, I am reading out the level from the four marks on the bottom of the dipstick 

[TheBoy]

Thanks for the quick replies, highly appreciated 
Your answers sofar reinforces my suspicions that the length on the dipstick is not right.

Does anyone out there have the possiblility to measure a dipstick on their X25XE irl?
And perhaps read out the item number on the handle- mine says 9 202 056.

And yes, I am reading out the level from the four marks on the bottom of the dipstick 

That is correct partnumber for Omega V6

[Entwood]

My reading of the EPC shows 3 level indicators, the second being superceded by the third ..

32 ROD, OIL LEVEL INDICATOR X25XE 08000001- 08115671 90467274 6 58 014 1   

32  ROD, OIL LEVEL INDICATOR (NLS.- USE 9202056 6 58 045) X25XE 08115672- 08304285 (90529831) (6 58 027) 1   
 
33  ROD, OIL LEVEL INDICATOR  08304286-  9202056 6 58 045 1 

so my reading is .. engine number before 08115671 requires 90467274

engine number after 08115672 requires 9202056

Does that help at all ??

[Thingymabob]

That's a good overview which means that I've at least have the correct dipstick item number (my engine number is higher than 08115672 according to the service book).

However, it also makes me even more confused 

Is there a possibility that the dipstick in my car is faulty (manufacturing error, etc.) and is shorter than it is supposed to? Or is that just far-fetched to asume...?

Would it be possible to get the correct measures for a 9202056 dipstick, either from a drawing/technical data sheet or from someone who actually measured the dipstick in his car?

[Entwood]

OK .. silly thoughts moment .... is it possible that someone in the past has changed the dipstick guide tube for the "wrong" one ?? Such that the "right" dipstick is being held in the "wrong" place

Might be worth a quick measure of the dipstick tube and posting that up, then someone with a 2.5 can do a comparison for you ??

 

[Nick W]

I don't have my car here, so can't check, but have you considered that the dipstick tube isn't seated correctly? If it isn't deep enough into the sump, then the stick won't read accurately.

[Thingymabob]

I have considered that the length and fastening of the dipstick guide tube is equally important as the dipstick itself (but if the problem is caused by a short dipstick that would be a much easier fix  ).

How is the dipstick tube attached to the sump? It is so tight in the engine compartment that I can't see where the dipstick tube ends (even less to get my hand down and feel where it ends...). Is it supposed to be totally fixed or is it some kind of swivel fitting? I'm asking because I can rotate mine 180 degrees, or so (however, it is not possible to move it up or down at all, just rotate it).

[Entwood]

Dipstick tube ...

If memory serves it just pulls out vertically, there should be 2 (?) o-ring seals near the bottom.....

but ...

It shouldn't rotate at all .. it is supposed to be secured by the "b-stard" bolt that is usually only removed for a thermostat change.

If the securing bracket is a) not there or b)does not align with said "b-stard" bolt ... then the tube starts to look suspect to me ...

[amba]

The images is identical to the dipstick I have in my 1998 2.5 Elite auto  ,and from a full oil drain I put a full 5ltrs in which just registers on the bottom of the dipstick...a further 0.75ltrs gets it onto the top of the cut outs on the dipstick.

[fiend61]

i have a 1999 2.5 mfl  my dipstick measures 552mm from bottom of rubber grommet that seals into tube to bottom of stick ,  in other words the length of just the metal bit
also mine take 5.75L

hope that helps 

[Thingymabob]

Thanks a lot for all your help so far, I'm very grateful for all the information and that you share your knowledge with me

Considering the correct item number on the dipstick, the results from your measurements (thanks for looking under the bonnet) and the fact that the dipstick tube is not secured (from what I remember, there is not bracket at all- is it supposed to be welded to the tube?), there is definitively something fishy with the dipstick guide tube.

I will take a deeper look at this in the coming week. I'll keep you updated