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[mgrolimund99]

Hi,
The latest problem with my Omega surfaced again. Automatic Gearbox 'check' warning displayed. The light indicator goes mental flashing etc and seems to be stuck in 2 or 3rd when in drive. 1,2,3 work ok. Bit of a rapid change into 2nd for some reason like the clutch is being wiped off too quickly. If i park up and then drive off later suddenly everything is back to normal. Although this morning I noticed it was driving ok, but the lights were still going all mental flashing etc. When the gears wont change all the lights are on.

I think its the gearbox selector (or gear selector?) if thats the name for it. Doesnt seem mechnical or maybe thats just me hoping it isnt..............

[Kevin Wood]

Sounds like it might be worth removing the selector switch and checking it for damage / damp. Driven through any floods lately?

Would be worth checking the fluid level is OK while you're down there too.

Kevin

[mgrolimund99]

err yes i have, p*ssing rain all week, floods everywhere been driving straight through them. Where is the gear selector?

[Kevin Wood]

err yes i have, p*ssing rain all week, floods everywhere been driving straight through them.

Ahh.   I suspect it's got damp then.

Where is the gear selector?

On the side of the gearbox - passenger side IIRC. It's a square box with a cable bundle exiting the top through which the gear selector shaft passes. I think there's a howto on here for more details. Hopefully it'll just be a case of drying it out and sealing it up again although sometimes the PCB contacts inside break up. In this case it should just be damp, hopefully.

Kevin

[mgrolimund99]

ok, stupid question. In the car? or under? Its not the box that displays the lights for D P etc?  

[ians]

Under.  TBH I thought it was drivers side but I've never been down there to look.

[Kevin Wood]

Yes, sorry. It's on the gearbox itself so you'll need to get underneath. I could well have the wrong side of the gearbox now I think about it :-/ Difficult to tell which side's which when your mind's eye remembers it from lying under a car.

Kevin

[Pitchfork]

Without a doubt it's ingress of water
Happened to mine when drowned in July, the lights danced around like the decorations on a Christmas Tree & car went into limp mode sporadically
Same gearbox used on Ford Granada's so if looking for a S/H switch you're not limited to Omegas
IW

[TheBoy]

Passenger side, bolted to side of gearbox itself

[MartinP]

When its in bits it looks like this





When i had mine apart I cleaned out a collection of greasy gunk and belled out the contacts to check continuity for the circuit

[arthill]

Hi

Had same problem, fitted 2nd hand, fine since.

[mgrolimund99]

nightmare.... dropped it off at the garage they checked the sensor visually from outside said its dry. Got error code auto transmission range sensor fault. checked with vauxhall garage and they dont recognise the code and asked it to go to main dealer, or so thats what my garage just said. I asked them to check the sensor internally.

[Kevin Wood]

It may look dry from the outside, but once weather gets in there, it will take a long time to dry out. The symptoms you are having, and recent exposure to water, make it a dead cert, IMHO. Shame the garage think they know better

Kevin

[mgrolimund99]

ok, garage say they looked and cleaned, it was dry and still dont work. They say got to go to vauxhall garage. that sounds expensive.....

[TheBoy]

Take the sensor apart yourself.

Failing that, I may have a spare in the garage that only owes me £25...