chrisgeary

Gearbox failure

8 posts in this topic

Getting fault codes 4f81 and 4f82 as well as the 'transmission fault' appearing on iDrive. Took it to a local indi who thinks a recon is the way forward at £3k. The car has done 142k on what I presume is the original gearbox and without any apparent ATF changes. I've had it for the last 3000 miles.

Are there any transmission specialists in the Berkshire area (I'm in Newbury) that I should be talking to next?
Is recon the only sensible thing to do at this mileage?

Any other options I should consider?

cheers
Chris

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Cripes. Is the box changing gear normally? Do you have an autobox specialist nearby for a second opinion? Maybe a gearbox service would sort it unless it's obviously something dire mechanically. £300-£450 sounds a lot more attractive than £3k.

Sent from my Vodafone Smart ultra 6 using Tapatalk

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Check this long thread I started last year when my gearbox packed up with similar codes. Luckily my problem ended up being a cracked plastic part only costing £11 but it took a gearbox service to find the issue out.

 

 

chrisgeary likes this

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It's changing normally but slipping on 2>3. I've had a recommendation from ZF themselves to give 3dtransmissions in Reading a call, which I did and they do reconditioning in-house so I think I'll take it there. Thankfully I don't have the LCI so no danger of slipping into park (that sounded highly inconvenient!).

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12 minutes ago, chrisgeary said:

It's changing normally but slipping on 2>3. I've had a recommendation from ZF themselves to give 3dtransmissions in Reading a call, which I did and they do reconditioning in-house so I think I'll take it there. Thankfully I don't have the LCI so no danger of slipping into park (that sounded highly inconvenient!).

 

If only slipping - a gearbox service could and should do the trick just make sure you use ZF parts and oils.

pidgeonpost likes this

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Interestingly, it wasn't slipping until it came back from the local indy today (who advised that the fluid level was overfilled and they reduced it (at the right temperature)). But the fault codes came up before that, so perhaps it was slipping but it wasn't enough for me to notice it.

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£3k is about right for a full recon box......which is why I don't have my E60 anymore. Mine went into limp mode due to E clutch fault 4f95 IIRC.  Recommended course of action by transmission specialist was a recon box at give or take the trade in value of the car @91.5k.  Your fault codes relate to Clutch A and Clutch B ratio monitoring which certainly sounds why it would be slipping.

 

Take it to the specialist and see what they say.

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