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[Slammedorion]

  Sorted te rocker cover leak thanks to the guide on here and a pair of Vectra covers . . .

Now the old chaps T reg 2.5V6 Omega has a gearbox fault.
Every now and then, it comes up with autobox fault on the display on the dash. And wont drive in D.

It will however still go in R, 1, 2, 3 . . .  or switching the engine off and starting it back up again normally sorts it . . .

Is this likely to be the gear selector switch???
Is it a diy job or has it gotta go in somewhere???

[lordpsk]

I ended up swopping mine for a replacement which I got off a fellow member when mine did the same

[Slammedorion]

I ended up swopping mine for a replacement which I got off a fellow member when mine did the same

The switch or the box? 

[johnnycboy]

Sorted te rocker cover leak thanks to the guide on here and a pair of Vectra covers . . .

Now the old chaps T reg 2.5V6 Omega has a gearbox fault.
Every now and then, it comes up with autobox fault on the display on the dash. And wont drive in D.

It will however still go in R, 1, 2, 3 . . .  or switching the engine off and starting it back up again normally sorts it . . .

Is this likely to be the gear selector switch???
Is it a diy job or has it gotta go in somewhere???

Question when was last fluid and filter change? 
Has it been done!

Check fluid level - is in maintenance section http://www.omegaowners.com/forum/YaBB.pl?num=1152783586

[johnnycboy]

Sorted te rocker cover leak thanks to the guide on here and a pair of Vectra covers . . .

Now the old chaps T reg 2.5V6 Omega has a gearbox fault.
Every now and then, it comes up with autobox fault on the display on the dash. And wont drive in D.

It will however still go in R, 1, 2, 3 . . .  or switching the engine off and starting it back up again normally sorts it . . .

Is this likely to be the gear selector switch???
Is it a diy job or has it gotta go in somewhere???

Question when was last fluid and filter change? 
Has it been done!

Check fluid level - is in maintenance section http://www.omegaowners.com/forum/YaBB.pl?num=1152783586

Do all the LEDS light up on the shifter if so possibly just dirty selector switch which can be cleaned HTH.

[Slammedorion]

Sorted te rocker cover leak thanks to the guide on here and a pair of Vectra covers . . .

Now the old chaps T reg 2.5V6 Omega has a gearbox fault.
Every now and then, it comes up with autobox fault on the display on the dash. And wont drive in D.

It will however still go in R, 1, 2, 3 . . .  or switching the engine off and starting it back up again normally sorts it . . .

Is this likely to be the gear selector switch???
Is it a diy job or has it gotta go in somewhere???

Question when was last fluid and filter change? 
Has it been done!

Check fluid level - is in maintenance section http://www.omegaowners.com/forum/YaBB.pl?num=1152783586

Do all the LEDS light up on the shifter if so possibly just dirty selector switch which can be cleaned HTH.

Regarding the filter, the old chaps had it a good 6 years and we've never changed the filter 

Is there a how to on where is the switch located???

I will ask about all the leds lighting up?

I take it if the D dont light up, it wont drive???

Thanks for the help 

[unlucky alf]

the filter is rarely changed as its inside the box itself, the g/box switch is an easy job & its situated on the nearside bolted to the box, its held by 2x10mm bolts & the 16mm nut on the selector shaft.

[Slammedorion]

the filter is rarely changed as its inside the box itself, the g/box switch is an easy job & its situated on the nearside bolted to the box, its held by 2x10mm bolts & the 16mm nut on the selector shaft.

So do you reckon this is likely to be the problem???

Anyone got a part number for me, and has anyone got any idea on how much one will be from Vauxhall??? If this is a common fault I suppose were best off buying new???

Does it need going on a computer after for setting up or is it just a straight swap and away we go job??? 

[unlucky alf]

i would say your problem is probably lack of atf, as these g/boxes dont have the luxury of a dipstick its the case of getting underneath & slackening the filler plug, [this is on the large sump drivers side], you check the level with the engine warm & running, on no account take the plug out without it running as youll get soaked in atf, if you decide to clean the filter then you drop the large sump to get to it, this is a messy job unless you can get the atf out first, but with no drain plug on it is also awkward.

[Slammedorion]

bttt anymore thoughts . . . I'm gonna go with the switch 1st, try cleaning it as it aint done it for a few days