Omega Owners Forum
Omega Help Area => Omega General Help => Topic started by: worzelof10acrefield on 25 May 2015, 16:06:39
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Hi all
I have a bit of a weird one, and then theres the car.
My Omega 2.6 estate auto yesterday coming home started spitting its dummy out.
As you stop the car is fine and runs sweet. when you accelerate the gearbox seems to go into fourth and you have to change the auto gears manually but they go in with a bump, not smooth as usual the a/c goes off, the dash has the airbag, abs, battery warning lights come on and the fuel/temp gauges and the rev and speedo drop to zero. if you stop then the lights go out and the tacho etc come back on. when the revs go above 800 rpm all this happens again.
Last night i parked it up as normal and this morning the battery is flat. this is also not normal.
Checked the fault code even though the mil is not on and hey presto no codes.
This has got me a little stuped but i thought it might be the main ecu but this would not explain the gearbox not changing except manually.
Any help would be appreciated as i though someone might of had this sort of thing happen to them before. i did check through the common questions etc but i could not see anything like this.
Thanks
Jay
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Certainly weird. Never having run an automatic I am ill placed to advise. However I had a similar experience on a manual Senator 24 valve. It was the wife's car. When I tested it there seemed to be nothing wrong with it. I told her she was making it up. I took it on an extended test drive. 10 miles, no symptons, then suddenly radio went off, steering turned stiff, all sorts of lights came on. I headed for home but did not get there. Walked the last 3 miles. towed car home.
Fault turned out to be failing alternator bearings.
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Thanks for that.
Sounds a lot like what happened to me and with the battery now going flat this could be the sign of a diode problen in the alternator.
Why it should give me a christmas dash light show i am puzzled but modern cars are not simple..
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Have experienced similar symptoms, alternator related, cured with replacement :y
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Had exactly same prob yesterday - must be high sunspot activity at the mo ???
Just put my spare alternator on (lucky me) and cured
Put a multi-meter on battery terminals get someone to rev engine if no change in volts confirms diodes have blown
HTH
Phil
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Have not got round to diagnosing the faulty one, but replacing the diode pack will be high on the list, got one from Woods,
http://www.woodauto.com/Component.aspx?Ref=VRG46418
For the Bosch 120amp job as fitted to my 3.2,
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Thank you to all who commented and helped me. The last thing i would have thought start with and why it does all it does on the dash, god knows.
Tested. = not charging.
Alternator is off. looks tight but quite an easy job. new diode pack on way.
Better than paying over £200 pounds.
Thanks again.
Jay
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Earthing should be first check IME ;)