Omega Owners Forum
Omega Help Area => Omega General Help => Topic started by: Thingymabob on 20 November 2011, 16:43:36
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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/trysyrgptchs/)
http://ladda-upp.se/bilder/krvogbyniqlrfj/ (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.
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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.
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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!
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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. :y sorry it was only a thought .
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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 :y
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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 :y
That is correct partnumber for Omega V6
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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 ??
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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?
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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 ??
??? ???
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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.
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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).
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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 ... :(
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The images is identical to the dipstick I have in my 1998 2.5 Elite auto :y,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. :)
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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 :y
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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 :y
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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 :y
I don't think the previous poster has measured the guide tube ... I think he has measured the dipstick itself ...
We now need the guide tube measured from the block to the top.. by some kind 2.5 owner ...
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We now need the guide tube measured from the block to the top.. by some kind 2.5 owner ...
That ain't gonna be easy with the engine in the car ;D
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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 :y
Yes, it locates with the engine lifting eye and coolant transfer pipe that goes to the thermostat and its held in place by what's know as the B*stard bolt ::)
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I took a quick look under the bonnet this morning and with good help from a 500W halogen lamp, I was actually able to see what was hiding down there :y
There is a bracket attached to the dipstick guide tube. However, it is not fastened to anything else, that's why it can be freely rotated.
If you look at the bracket, there is some kind of "bar/metal plate/bracket" behind it (on the engine) with a hole that might be where the dip stick bracket should be secured with a bolt/screw.
The hole in the dipstick bracket and the hole in the part behind it are not aligned. The dipstick bracket hole is higher placed than the hole behind. It's difficult to see exactly how much but it's probably about 10-15 mm which equals the false indication.
This is most likely what's causing the problem.
See attached photos for details:
http://ladda-upp.se/bilder/zawowglpndtr/
http://ladda-upp.se/bilder/osmrybwscrvrbf/
http://ladda-upp.se/bilder/zibpapguuojpvw/
http://ladda-upp.se/bilder/ncuewsxmzgsdy/
B*stard bolt ?? ??? Pls develop this a little more to a rookie like me.
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The bolt is commonly called the Bastard bolt because of its location which makes it difficult to remove/replace which is why I think your's hasn't been replaced ;)
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(http://i1133.photobucket.com/albums/m585/Roger_Short/SDC13336.jpg)
(http://i1133.photobucket.com/albums/m585/Roger_Short/SDC13337.jpg)
if i have done these right it might give you an idea of how high/low the dipstick should be :y
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Thanks for posting the photos, it's always easier when you have something to compare with.
I decided to use some "gentle force" in order to find out if the dipstick tube really was seated properly and I found out that it wasn't! With a little help from a hammer and a piece of wood as protection, I managed to get the tube down and now the oil level on the dipstick is far beyond max.! ;D
The next step is to fix the tube so it wont pop up when the dipstick is pulled out of the tube. Is this where the b*astard bolt comes in or have I completely misunderstood that part? ???
Please advise. If anyone knows the spare part item number for the bolt, this would be very helpful.
Below two links showing how it looks like now. The secound picture shows in detail how the dipstick bracket now is aligned with the hole behind. Is this where the b*astard bolt should be used?? ???
http://ladda-upp.se/bilder/lvfqzgzkbynbsi/
http://ladda-upp.se/bilder/rdjkxwfhlkqfck/
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Check if you already have a Bastard Bolt - it should also hold the coolant transfer pipe and a lifting eye in place.
Its a right sod to do.
Look at the thermostat guide I wrote, that will cover the B-Bolt.
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First step would be to find the location of the B-Bolt, or at least the hole where it is supposed to be fitted.
This was easier said than done... ???
Exactly where is the hole that this annoying little bolt is supposed to be screwed into??
I checked the thermostat guide, but the engine in the guide does not look the same as my 2.5L :-\
I cannot see any lifting eye, guess it's gone or maybe I'm looking at the wrong place??
Is this part supposed to be fitted between the dipstick tube bracket and the "hole in the engine" (which I can't locate...)?
Coolant transfer pipe...ehhh, where? :-[
(http://i1111.photobucket.com/albums/h471/Idunnonow/Omega%20V6/Dipsticktube.jpg)
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This may be of some help. :y
(http://i1238.photobucket.com/albums/ff500/Albs59/DSCF1280.jpg)
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Looks like your arrows are pointing at the correct things,although it appears that the dipstick bracket is sandwiched between the bracket on the pipe and the lifting bracket,rather than in front of the pipe bracket. :y
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Thanks, that pic finally made me understand how the parts should be mounted :D
I also realized that there actually was a B-Bolt fitted (holding the coolant transfer pipe), I just couldnīt see it!
As said before, the lifting bracket is missing but I'll just have to fit one when I plan to take the motor out of the car ;)
It took a while to unscrew the B-Bolt, it is really tight down there, but as soon the bolt was out, it was no problem to refit it, this time keeping the dipstick tube in place as well.
I really appreciate all the good will and efforts you have showed to help me, thanks! :y
(I'll soon post a new thread regarding the coolant leak from my car ;))
The little bugger!
(http://i1111.photobucket.com/albums/h471/Idunnonow/Omega%20V6/TheB-Bolt.jpg)
Finished!
(http://i1111.photobucket.com/albums/h471/Idunnonow/Omega%20V6/Finished.jpg)
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Glad you got it sorted. :y
I think you did well to notice the problem in the first place.Many people would just have put enough oil in to bring it to the mark on the dipstick without investigating further. :y
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well done :y especially with the b@st@ard bolt a right pita and you didnt even round it off :y
i know who to call when i want my stat doing ;) ;)
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Good news. We await the next oil change to see how much goes in :)
Thats not the original B-Bolt, which left the engine factory with a torx bolt :) - not that it matters :y
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Oil now on correct level.
Oil overfill drained with MacGyver inspired hand pump ;D
A liquid soap pump and a piece of aquarium air hose did the trick. lol :y
(http://i1111.photobucket.com/albums/h471/Idunnonow/Omega%20V6/OilPumpMacGyverStyle.jpg)
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Just a thought.........
With the lifting eye missing wont the ever-so-brittle alloy transfer pipe bracket be strained somewhat? Or do we assume that by some miracle the pipe o rings are not welded to the thermostat housing as usually is the case and the pipe has been able to find a new comfortable position, just slightly deeper into the thermostat.
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Good point there. If I understand you correctly you mean that the transfer pipe bracket may crack if tightened too hard?