Had the Rangie jacked up for a few days whilst i was looking for a clunk from the front NS suspension (long story) spotted last night that there has been an oil leak which i think is from the gearbox am I right in thinking that this will most likely be the electrical connector seals. Most of the oil has leaked in the area of the drive directly under the drivers seat. Normally doesn't leak.

The connector sleeve is at the rear offside of the transmission so that would certainly make sense.

Click image to enlarge

Thank you Phil! Really appreciate your very detailed response and can see exactly what has happened now.....Do you fancy trying to sort out my clunky suspension next

I will get a connector ordered and check the fluid whilst i am under there to see how much has been lost.

Remember you need to drop the gearbox sump to change the sleeve. Would be worth getting new fluid at the same time. John
2008 Stornoway Grey 3.6 Tdv8 Vogue
2005 TD6 Java Black Vogue - Written off!!
GAP iiD BT
2003 Discovery TD5 Auto, Nanocom Evolution - gone to a new home!
MasseyFerguson 152 - No electronics!! - Sold

https://www.bristoltransmissionsshop.co.uk...t-22-p.asp

Does this seem too good to be true £150 for a full ZF kit? Most others on line seem to be over £200

Yep, that’s a bargain - assuming the sump pan/filter is a genuine IBS Filtran unit (it says genuine ZF, so it should be).

Phil

Well its ordered so will update when it arrives

Parts have all arrived and I have some time next week to crack on and get this done.

Bristol Transmissions were very good and shipped all ZF Parts at what I though was a very reasonable cost.

All I could do with now is a copy of the ZF instruction manual for the filter/fluid change if anyone has it to hand?

Is there not a manual in the ZF kit? My ZF8 kit came with a manual on how to change the oil. Christian.


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Some info here:

https://aftermarket.zf.com/go/en/aftermark...il-change/

https://aftermarket.zf.com/app/controller/...;typeID=12

https://aftermarket.zf.com/app/controller/...;typeID=12

Note found in ZF gearbox designers pages:

"Ensure the mechatronic is in the most inconvenient position possible, ensuring that replacement of the seal generates hours of cussing, sweat, blood and tears"

 .
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

Cheers chaps!

Whilst i am in there is it worth replacing these bits (as well as the electrical connector)

I presume the tubes are the same for all of the six speed gearboxes regardless of what they are fitted in?

Yes, the 6HP26/28/32 seals are all the same. You just need to be careful to avoid the equivalent 6HP19/21 seals, as they’re different.

Phil

Just wanted to say thank you to everyone who contributed to this post, I completed this job today following all the instructions and the car feels to shift so much better. Will double check the fluid tomorrow but am pretty sure that the job finished.