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Home > Technical (L322) > gearbox thud

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salb

Member Since: 25 Feb 2012
Location: blackburn
Posts: 332

2007 Range Rover Vogue SE Supercharged Santorini Black

gearbox thud

hi guys,

researching on here is not good,

had my car 3 weeks but twice now i have noticed a loud thud when th

gearbox was changing down, any ideas?

sal

p.s. didnt hink anything of it till it happened this morning, and its after
i read articles on the gearbox lol

do u think i need to replace the gearbox oil? RANGE ROVER OVERFINCHED 4.2 S/C
FRONT BUMPER O/F
REAR BUMPER. O/F
BOOT SPOILER O/F
22" ALLOYS. O/F
STAINLESS STEEL EXHAUST O/F
CARBON FIBRE WING MIRRORS & A PILLARS & CENTRE CONSOLE

7th Mar 2012 7:09pm

bozmandb9

Member Since: 06 Dec 2010
Location: Wallingford, Oxfordshire
Posts: 1020

Do you have a warranty?

It doesn't' sound great, but don't panic yet. Get it into a gearbox specialist asap. They'll check the software, the oil level, and oil condition. If they find loads of scrap metal in the oil it's time to panic (especially if you have no warranty). Gearbox rebuild on these including the mechatronic is around £3k! Range Rover-less at the moment - Pining!

7th Mar 2012 7:25pm

salb

Member Since: 25 Feb 2012
Location: blackburn
Posts: 332

Hi guys,

No I have no warranty, happened to me twice now changing down,

Guess I'll have to check it over the next week

Guess I'll have to drive it round till it goes on me completely

Sal RANGE ROVER OVERFINCHED 4.2 S/C
FRONT BUMPER O/F
REAR BUMPER. O/F
BOOT SPOILER O/F
22" ALLOYS. O/F
STAINLESS STEEL EXHAUST O/F
CARBON FIBRE WING MIRRORS & A PILLARS & CENTRE CONSOLE

7th Mar 2012 7:30pm

salb

Member Since: 25 Feb 2012
Location: blackburn
Posts: 332

Hi guys ,

Right just spent 3 hours reading up on gearboxes, thanks to rrphil

I know the type and the problems,

Looks like I need to remap the gearbox and to flush the oil out,

Any ideas on the ecu remap

Sal RANGE ROVER OVERFINCHED 4.2 S/C
FRONT BUMPER O/F
REAR BUMPER. O/F
BOOT SPOILER O/F
22" ALLOYS. O/F
STAINLESS STEEL EXHAUST O/F
CARBON FIBRE WING MIRRORS & A PILLARS & CENTRE CONSOLE

7th Mar 2012 10:32pm

DMRR

Member Since: 14 Apr 2010
Location: Northamptonshire
Posts: 2027

2009 Range Rover Westminster TDV8 Stornoway Grey

Mine did that from new - gearbox died at about 48,000 miles - about the time it *should* have had a flush if it wasn't supposedly *sealed* for life.....

7th Mar 2012 10:49pm

bozmandb9

Member Since: 06 Dec 2010
Location: Wallingford, Oxfordshire
Posts: 1020

If you take it to a specialist, they'll be able to update the software for you, however be warned, I got mine done, and immediately afterwards needed a gearbox rebuild.

What happens is the adaptive gearbox learns how to mask any issues which have built up over time, when you get the software reflashed, they have to reset all the adaptations prior to installing it, so if you have a problem, it can get a lot worse! You have been warned!

Changing the oil can result in the problem becoming more apparent too!

Sorry to be negative, I really hope you find a simpler solution! Range Rover-less at the moment - Pining!

7th Mar 2012 10:59pm

salb

Member Since: 25 Feb 2012
Location: blackburn
Posts: 332

Hi,
Thanks I read ur posts about that, I'm gonna hang fire and check what happens in the next week

On the changedown.

Sal RANGE ROVER OVERFINCHED 4.2 S/C
FRONT BUMPER O/F
REAR BUMPER. O/F
BOOT SPOILER O/F
22" ALLOYS. O/F
STAINLESS STEEL EXHAUST O/F
CARBON FIBRE WING MIRRORS & A PILLARS & CENTRE CONSOLE

7th Mar 2012 11:04pm

Cam-Tech-Craig

Member Since: 04 Aug 2011
Location: Gloucestershire
Posts: 16170

2015 Range Rover SVAutobiography SDV8 Loire Blue

Sal if anything, take it to a Land Rover dealer/tech who can re-flash the gearbox software. If the oil is changed on a SC gearbox then it can lead to preload issues from the transfer box. Never get the oil changed and adaptions reset as it often causes premature failure... Lots of technical stuff im afraid!

If it helps, PM me and i'll forward you the details we were sent by LandRover about the above. Warning us not to.

Craig

8th Mar 2012 7:35am

salb

Member Since: 25 Feb 2012
Location: blackburn
Posts: 332

Thanks Craig,

I have just pm d you for that info,

Looked for over 1 year for this spec car, only had it 3 weeks

The joys of owning a FFRR

I keep reading

Sal RANGE ROVER OVERFINCHED 4.2 S/C
FRONT BUMPER O/F
REAR BUMPER. O/F
BOOT SPOILER O/F
22" ALLOYS. O/F
STAINLESS STEEL EXHAUST O/F
CARBON FIBRE WING MIRRORS & A PILLARS & CENTRE CONSOLE

8th Mar 2012 8:14am

VMPP

Member Since: 12 Jul 2009
Location: Lisboa
Posts: 410

2007 Range Rover Vogue TDV8 Buckingham Blue

I'm with you....

Got the same thuds, vibrations and everything that you read around here.
Based on most of the infos I got from here, RRsport, Rangerovers.net, etc.. went to the dealer and did the Megaflush change.

1st day ok, 2nd day, bang, ''transmission fault limited gears available'' message. So, back to the dealer. Reprogramming, reflashing, etc... I get out of the shop and within 10kms, bong, message again. Back once again and left the car there. He called me yesterday saying that it didn't look good. That they flashed and reflashed, but on each test drive the same happens.

So, it so seems that i've been caught by ''Cam Techs'''s advice. Shoudn't have done it in the first place. I really think that the 'box was very ''accomodated'' to all the vibrations and thuds that I was experiencing.

I'm praying every morning, afternoon, night, evening, at work, eating, sleeping, to see if they can get any sort of workaround to try and at least make it live for some extra year to go on sale and leave that problem to someone like ''salb'' eheheheh

8th Mar 2012 11:49am

Katash

Member Since: 10 Apr 2011
Location: Hereford
Posts: 700

2007 Range Rover Supercharged 4.2 SC V8 Zermatt Silver

Cam-Tech-Craig wrote:
.... If the oil is changed on a SC gearbox then it can lead to preload issues from the transfer box. Never get the oil changed and adaptions reset as it often causes premature failure ....

Presumably the same would apply to the 4.4 also as they use the same gearbox?

(Facelift I mean)

Just checked, the 3.6tdv8 is the same gearbox too, do they honestly not recommend changing the oil at all in these boxes?!?

Last edited by Katash on 8th Mar 2012 12:47pm. Edited 2 times in total

8th Mar 2012 12:26pm

47p2

Member Since: 05 Oct 2010
Location: Gone Beyond, Subaru
Posts: 8048

Let it develop

8th Mar 2012 12:36pm

bozmandb9

Member Since: 06 Dec 2010
Location: Wallingford, Oxfordshire
Posts: 1020

Cam-Tech-Craig wrote:
Sal if anything, take it to a Land Rover dealer/tech who can re-flash the gearbox software. If the oil is changed on a SC gearbox then it can lead to preload issues from the transfer box. Never get the oil changed and adaptions reset as it often causes premature failure... Lots of technical stuff im afraid!

If it helps, PM me and i'll forward you the details we were sent by LandRover about the above. Warning us not to.

Craig

Hi Craig,

I'm sure you'll correct me if I'm wrong, but isn't it the case that in order to reflash the software, the adaptations have to be reset prior to installing the new software? That's certainly what my Land Rover Specialist told me, and seemed to be confirmed by a technical bulletin I read from Land Rover!

Also what you're saying about not changing oil would seem to be the opposite to the conventional wisdom on the forum, most people recommend a fluid change, since it can't cause a problem by using fresh oil, it can of course highlight an existing problem, if your gears are already so mashed that it's only the sludge of oil oil full of ground metal which keeps it going.

I did find a technical bulletin from ZF on this gearbox, with a troubleshooting guide, which basically gave a list of symptoms, and what to do. For most of them the first step was to check fluid level, then replace fluid, for some they recommended software, but as an essential step before beginning the software reflash the adaptations must be reset apparently.

Be interesting if Land Rover are telling you not to replace oil, whilst ZF are recommending it should be replaced! Wouldn't entirely surprise me though! Could you post it for all to see?

P.S. Good thread here from the other forum, where RR Phil posts the ZF advice on changing tranny oil every 100K on this gearbox!
http://www.rangerovers.net/forum/6-range-r...rever.html Range Rover-less at the moment - Pining!

8th Mar 2012 12:48pm

salb

Member Since: 25 Feb 2012
Location: blackburn
Posts: 332

Well what a subject this is,

Flush out or not, re map or not,

Could be tempting fate, think I'll

Live with it for the minute see how it goes, but the thud I felt

Onlynhadnit twice and there are no vibrations.

Sal RANGE ROVER OVERFINCHED 4.2 S/C
FRONT BUMPER O/F
REAR BUMPER. O/F
BOOT SPOILER O/F
22" ALLOYS. O/F
STAINLESS STEEL EXHAUST O/F
CARBON FIBRE WING MIRRORS & A PILLARS & CENTRE CONSOLE

8th Mar 2012 4:34pm

Joe90

Member Since: 29 Apr 2010
Location: Hampshire
Posts: 6399

This is all making the GM TD6 gearbox sound like a good 'un

Having had that gbox die on me I do sympathise salb. Sounds like you are at the end of the beginning and getting on towards the beginning of the end, and in terms of preventative measures damned if you do something about it and damned if you don't! .
Experience is the only genuine knowledge, but as time passes, I have forgotten more than I can remember
Volvo V70 P2 2006 2.4 Petrol 170bhp Estate SE
MG Midget Mk1 1962

Previous: L322 Range Rover TDV8 3.6 2008; L322 Range Rover TD6 3.0 2002; P38A Range Rover V8 1999

8th Mar 2012 4:59pm

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