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Author Topic: Auto box getting progressively worse.  (Read 2052 times)

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Auto Addict

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Auto box getting progressively worse.
« on: 23 January 2012, 07:31:20 »
Posted up problems before about it holding gears too long.

Latest symptoms, after climbing a hill in first or second gear, takes several hundred yards before it changes up, on the flat or downhill.

Should add, only when engine is hot, OK when cold.
« Last Edit: 23 January 2012, 07:45:11 by Auto Addict »
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Michael2.6

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Re: Auto box getting progressively worse.
« Reply #1 on: 23 January 2012, 08:32:39 »
This is a simalor problem I have with my car

holds on to third gear for a long time before it drops into four gear but only when hot ok when cold

Once it has done this it runs ok.
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feeutfo

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Re: Auto box getting progressively worse.
« Reply #2 on: 23 January 2012, 09:07:31 »
Service history?

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Auto Addict

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Re: Auto box getting progressively worse.
« Reply #3 on: 23 January 2012, 09:36:36 »
Quote from: chrisgixer on 23 January 2012, 09:07:31
Service history?

About 74K, fluid changed @ 67K.
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Nick W

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Re: Auto box getting progressively worse.
« Reply #4 on: 23 January 2012, 10:06:52 »
Quote from: Auto Addict on 23 January 2012, 09:36:36
Quote from: chrisgixer on 23 January 2012, 09:07:31
Service history?

About 74K, fluid changed @ 67K.

Have you checked the fluid level again? It could quite easily be low, which would cause your symptoms.
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Auto Addict

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Re: Auto box getting progressively worse.
« Reply #5 on: 23 January 2012, 11:45:48 »
Quote from: Nick W on 23 January 2012, 10:06:52
Quote from: Auto Addict on 23 January 2012, 09:36:36
Quote from: chrisgixer on 23 January 2012, 09:07:31
Service history?

About 74K, fluid changed @ 67K.

Have you checked the fluid level again? It could quite easily be low, which would cause your symptoms.

Fluid level is fine.
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SIR Philbutt

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Re: Auto box getting progressively worse.
« Reply #6 on: 23 January 2012, 13:15:54 »
Cam Sensor ?

I had one with similar probs for ages did all the usual until saw on here about cam sensor probs without codes.

Changed and cured, I was supprised  ::)

Phil
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Auto Addict

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Re: Auto box getting progressively worse.
« Reply #7 on: 23 January 2012, 13:54:38 »
Quote from: Philbutt on 23 January 2012, 13:15:54
Cam Sensor ?

I had one with similar probs for ages did all the usual until saw on here about cam sensor probs without codes.

Changed and cured, I was supprised  ::)

Phil

Probably not, it's a 2.6.
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Lazydocker

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Re: Auto box getting progressively worse.
« Reply #8 on: 23 January 2012, 14:10:50 »
Checked for codes recently?
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Kevin Wood

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Re: Auto box getting progressively worse.
« Reply #9 on: 23 January 2012, 14:37:52 »
Quote from: Lazydocker on 23 January 2012, 14:10:50
Checked for codes recently?

Good point. If the gearbox is not changing smartly when commanded to by the ECU you will get incorrect ratio codes.

Can also watch the solenoids in live data with a tech 2 to confirm this.

Has the gearbox had the latest update?
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Re: Auto box getting progressively worse.
« Reply #10 on: 23 January 2012, 16:14:28 »
Quote from: Kevin Wood on 23 January 2012, 14:37:52
Quote from: Lazydocker on 23 January 2012, 14:10:50
Checked for codes recently?

Good point. If the gearbox is not changing smartly when commanded to by the ECU you will get incorrect ratio codes.

Can also watch the solenoids in live data with a tech 2 to confirm this.

Has the gearbox had the latest update?

No codes when last checked, gearbox has the latest update.

Can't remember if TB checked live data.
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TheBoy

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Re: Auto box getting progressively worse.
« Reply #11 on: 23 January 2012, 17:47:17 »
Have I seen this car recently :o. If I have, I don't remember it  :-[

Its a 2.6. Like all V6 DBW TCMs, its not as refined as non DBW, or indeed your old 2.2 - is it really a problem, or are you finding problems that don't exist?
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Re: Auto box getting progressively worse.
« Reply #12 on: 23 January 2012, 17:56:22 »
Quote from: TheBoy on 23 January 2012, 17:47:17
Have I seen this car recently :o. If I have, I don't remember it  :-[

Its a 2.6. Like all V6 DBW TCMs, its not as refined as non DBW, or indeed your old 2.2 - is it really a problem, or are you finding problems that don't exist?

As it's the same auto box as the 2.2, what's the difference?

I presume the ECU?

Any chance you could have another look at it please?
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TheBoy

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Re: Auto box getting progressively worse.
« Reply #13 on: 23 January 2012, 18:45:44 »
See if you can drive another 2.6 auto, so you know if you have got a fault
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feeutfo

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Re: Auto box getting progressively worse.
« Reply #14 on: 23 January 2012, 20:10:00 »
Suspected he was just being fussy tbh...  :-X  ;D

If shift quality is ok, no slipping and banging, then there can't be much wrong if no codes. My 3.2 does hang on to gears when sport mode is on. I guess just in case the driver boots it again.


Out of interest, exactly what rpm does it change up at on flat out acceleration...?
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