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Omega Help >> Omega General Help >> NASTY cold gearchange
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Message started by JamesV6CDX on 13. Jan 2007 at 21:50

Title: NASTY cold gearchange
Post by JamesV6CDX on 13. Jan 2007 at 21:50
Question relates to my V6 Meega dog workhorse.


Over the last few days, when setting out in the mornings, the automatic gearchange is VERY jerky, makes a horrible noise and he whole car shudders.

Drive half a mile or so, and it's absolutely fine.

Autobox shagged?

I changed the autobox fluid about 3 months ago.

Title: Re: NASTY cold gearchange
Post by TheBoy on 13. Jan 2007 at 22:10

JamesV6CDX wrote on 13. Jan 2007 at 21:50:
Question relates to my V6 Meega dog workhorse.


Over the last few days, when setting out in the mornings, the automatic gearchange is VERY jerky, makes a horrible noise and he whole car shudders.

Drive half a mile or so, and it's absolutely fine.

Autobox shagged?

I changed the autobox fluid about 3 months ago.

Check the level again as a first....

Title: Re: NASTY cold gearchange
Post by tunnie on 13. Jan 2007 at 22:21
so after 10 mins, starting off from a stand still its fine??

Suggests the box is fine really if its ok when warm? - Does it rev high before the changes?

Title: Re: NASTY cold gearchange
Post by JamesV6CDX on 13. Jan 2007 at 22:38
yup, after 5 mins it's as smooth as a baby's bum

just jerky when cold! makes awful noises too.

I will check the fluid level when the ground is dry!

Title: Re: NASTY cold gearchange
Post by TheBoy on 13. Jan 2007 at 22:39
Shame the g/box ecu isn't updatedable on yours :(

Title: Re: NASTY cold gearchange
Post by Martin Imber on 14. Jan 2007 at 09:59
Does it feel like it is slipping?

Did you do all the filters?

Martin

Title: Re: NASTY cold gearchange
Post by lachleaves on 14. Jan 2007 at 11:46
It deliberately stalls the gearchange when cold to heat up the catalytic convertor anyway doesn't it?  Hence after 5 minutes or so, when it's warmed - it appears fine.

Regards
Lachleaves

Title: Re: NASTY cold gearchange
Post by Ghosts in my machine on 14. Jan 2007 at 17:25
Mine is a bit jerky for the first few minutes as well, but doesn't make any nasty noises.

Only happens when really cold and been stood overnight. I gather that this is normal.

Does updating the software on the gearbox ECU smooth this out?

Title: Re: NASTY cold gearchange
Post by TheBoy on 14. Jan 2007 at 19:17

Ghosts in my machine wrote on 14. Jan 2007 at 17:25:
Mine is a bit jerky for the first few minutes as well, but doesn't make any nasty noises.

Only happens when really cold and been stood overnight. I gather that this is normal.

Does updating the software on the gearbox ECU smooth this out?

From my own experience, and reports of others, all changes are smoother...

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