Another gearbox problem

Post by **Joew85** » Sat Aug 03, 2019 10:29 pm

Hi all so I bought a 2004 c5 with 106k 2 months ago.had some suspension issues but all resolved but now I have a gearbox problem.after a 2 hour drive yesterday my gearbox has developed an issue.it no when I pull off clunks between gear changes at low rpm and if I put my foot down the revs shoot up and a few seconds later there is a really harsh gear change.been in limp mode once aswell.gearbox was last serviced 3k miles ago last year.am I looking at a new gearbox or could it be simpler.only happened after 2 long drives yesterday.any help appreciated

Post by **Drummerman** » Sat Aug 03, 2019 11:16 pm

Hi Joe, sorry to be the one to give you the bad news, but that is more than likely going to need a rebuild. That is how mine was. Got it up to Grizz at Unit 20 for him to remove the box, have it rebuilt , sort out the TC and then do loads of other bits while the engine was out. Not a cheap exercise.

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Post by **Joew85** » Sat Aug 03, 2019 11:27 pm

Out of interest what sort of cost is the gearbox rebuild

Post by **V!per** » Sun Aug 04, 2019 12:05 am

whereabouts are you ???
You can go to this guy http://www.autotransuk.com/
He's really good and knows what his doing. Owned RS6 himself.
Pricewise I know he was doing the rebuild for £1600 but I've heard he might have raise prices a bit. Best call him directly

Post by **chunky79** » Sun Aug 04, 2019 7:22 am

Who did the last gearbox service?
Could be the oil level is incorrect or wrong pick up pipe.

Post by **srichards** » Sun Aug 04, 2019 8:59 am

There's also the infamous F125 switch. If the gearbox has been serviced also check the seals aren't leaking. When mine was serviced one of the seals sprung a leak.

Worth checking out both before assuming the box is dead.

Post by **Shoppinit** » Sun Aug 04, 2019 9:06 am

chunky79 wrote: ↑
Sun Aug 04, 2019 7:22 am
Who did the last gearbox service?
Could be the oil level is incorrect or wrong pick up pipe.

^^This is your best hope.

Post by **Joew85** » Sun Aug 04, 2019 10:03 am

Yeah thanks guys the fact it only started doing it after a really long drive makes me think theres hope that either wrong parts or even that they didnt change filter and just dropped the oil or didnt do the correct filling procedure as it was just a normal independent that did it.could even have used wrong oil.ill go down the oil service first.is the pickup up seperate and should be changed every time then?

Post by **Ben_r1** » Mon Aug 05, 2019 1:14 pm

The pick up is integral to the filter and there are two options that fit but one is specific to the RS6 in length.

Also any backstreet garage would have probably used normal red ATF and the Rs6 needs a green coloured oil you get from Audi direct.

Post by **srichards** » Tue Aug 06, 2019 8:41 am

In general I wouldn't take an RS anywhere near a general garage. It needs specialist attention. You'd have to prove it was their work and not just age/mileage related failure which wouldn't be easy.

Post by **simonpoulton** » Tue Aug 06, 2019 9:26 am

Just to add to this - a cracked filter / pickup pipe will also do something similar.

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