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[David the Plumber]

Hi all, i'm new to Omegas having previously been a Granada man, but i'm impressed with the room inside ( 2.0 gls Auto Estate ) almost like having my own minibus!!
It has recently developed an erratic third gear, dont think its mechanical it may be software but thought i'd ask advice.
SYMPTOMS:  it changes into 3rd at a variety of revs and speeds from 1400 rpm/20mph up to 3400rpm/40mph, and sometimes it "slips out" just as it is due to engage. This can occur at any time, and when it slows down to 20mph it usually engages but not always. These symptoms occur on flat roads, and down inclines, never uphill.
The car was previously owned by a "builder" so i'm not cofident he maintained it properly ( only 2 litres of brown muck in gearbox ) so im bringing it back from an abused state.

Since ive owned it : new cambelt, tensioners etc, new exhaust, Cat & lambda, auto fluid change, plugs & filters.

Any advice would be gratefuly recieved.

[feeutfo]

first off, dont panic, auto boxs can be had from breakers no here for reasonable money. See the guide in maintenance(below) re checking atf level. But sounds like you need to take that further and change the fluid and clean or replace the filter. Dexron 3 only about 6 or 7 litres. Drop both sumps.
Not much else you can do with the box in place.

However it sounds like you have a more specific problem than general poor performance. Which is a little worrying. See what others say... :-)

Ps whats it like in snow mode and changing gear to 3rd manualy?

[David the Plumber]

got new filter & roughly 7 litres atf already, will try in snow mode in the morning, thanks