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Author Topic: NASTY cold gearchange  (Read 778 times)

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JamesV6CDX

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NASTY cold gearchange
« on: 13 January 2007, 21:50:08 »
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.
« Last Edit: 13 January 2007, 21:51:52 by JamesV6CDX »
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TheBoy

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Re: NASTY cold gearchange
« Reply #1 on: 13 January 2007, 22:10:00 »
Quote
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....
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tunnie

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Re: NASTY cold gearchange
« Reply #2 on: 13 January 2007, 22:21:37 »
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?
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JamesV6CDX

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Re: NASTY cold gearchange
« Reply #3 on: 13 January 2007, 22:38:55 »
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!
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TheBoy

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Re: NASTY cold gearchange
« Reply #4 on: 13 January 2007, 22:39:49 »
Shame the g/box ecu isn't updatedable on yours :(
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Martin_1962

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Re: NASTY cold gearchange
« Reply #5 on: 14 January 2007, 09:59:00 »
Does it feel like it is slipping?

Did you do all the filters?

Martin
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lachleaves

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Re: NASTY cold gearchange
« Reply #6 on: 14 January 2007, 11:46:23 »
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
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Ghosts in my machine

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Re: NASTY cold gearchange
« Reply #7 on: 14 January 2007, 17:25:34 »
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?
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TheBoy

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Re: NASTY cold gearchange
« Reply #8 on: 14 January 2007, 19:17:31 »
Quote
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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Grumpy old man
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