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[Andy H]

Omega 2.6 Elite saloon. 210,000 miles.

Reverse is taking an age to engage. I changed the ATF last year, I didn't find anything unusual in the sumps and the fluid didn't look or smell burnt.

Any ideas? All the forward ratios engage as expected and it doesn't misbehave if I give it a good ragging

I also have a mystery whine but I cannot decide whether it is gearbox or, diff (or maybe wheelbearing). The whine changes with load so I don't believe it is wheel bearing.

[Diamond Black Geezer]

Well, obvious answer is have you changed / checked the oil. You say that you have changed it, though, so next port of call I'd guess-  is it worth checking the level? Just in case you have a leak you're unaware of?

[Andy H]

The reason why I changed the oil in the first place was because reverse was slow to engage. The level was good before and I made sure it was correct when I refilled it. The change was no better after.

I can't categorically state that hasn't dropped since but I am looking for other possible causes.

[Diamond Black Geezer]

Ahh, fair enough, then. 

All the thrust washer failures I've seen (on the forum) have shown at least some fragments of the thing in the sump(s), but presuming you didn't see any, that's interesting.

I'm assuming you've cleaned inside the gear selector (quadrant shaped affair on the side of the box) ?

[Andy H]

Ahh, fair enough, then. 

All the thrust washer failures I've seen (on the forum) have shown at least some fragments of the thing in the sump(s), but presuming you didn't see any, that's interesting.

I'm assuming you've cleaned inside the gear selector (quadrant shaped affair on the side of the box) ?

I haven't cleaned the selector switch - the lights all behave as they should so I didn't see a need.

Forgot to add - if I give it some revs it engages more quickly so I am pretty convinced that it is related to wear in the mechanical or hydraulic parts.

I don't know what suffers first when the thrust washer fails, I think I have seen references to the bits getting stuck higher up and not appearing in the sump. 

[TheBoy]

Does sound like low fluid 

How quickly does it engage slapping straight into D from R?

[Andy H]

Does sound like low fluid 

How quickly does it engage slapping straight into D from R?

If I leave it idling it takes 5 or 6 seconds if I give it some revs I can get it down to about 2 seconds.

It is worse now than when I changed the oil a year ago but the oil level was good before I drained it and I made sure there was plenty in there when I refilled it.