Gearbox Teardown & Refurbish - 6HP28A61
Re: Gearbox Teardown & Refurbish - 6HP28A61
First up the ZF parts catalogue for a 6HP28A61 box, code ref # 1068.079.009
I make no apologies for this being in russian, these were the only guys helpful enough to provide the file to me FOC, hats off to them
http://www.cee-it.com/RS6_Data/Z188142_ ... 009_ru.pdf
I make no apologies for this being in russian, these were the only guys helpful enough to provide the file to me FOC, hats off to them
http://www.cee-it.com/RS6_Data/Z188142_ ... 009_ru.pdf
Re: Gearbox Teardown & Refurbish - 6HP28A61
Next up the ZF parts catalogue for a 6HP26A61 box
http://www.cee-it.com/RS6_Data/ZF 6HP26A_61_manual.pdf
http://www.cee-it.com/RS6_Data/ZF 6HP26A_61_manual.pdf
Re: Gearbox Teardown & Refurbish - 6HP28A61
For those that need it this is the fluid specification for the ZF gearboxes, known as document TE-ML 11
http://www.cee-it.com/RS6_Data/ZF Fluid ... en0700.pdf
http://www.cee-it.com/RS6_Data/ZF Fluid ... en0700.pdf
Last edited by ATinOf on Fri Oct 30, 2020 10:30 pm, edited 2 times in total.
Re: Gearbox Teardown & Refurbish - 6HP28A61
This is the ZF workshop manual for the 6HP26 (Jaguar based as it happens)
There are a lot of similarities in this and its helpful in instances BUT this IS NOT the A61 version used in the RS6; you are better to get hold of a copy of ELSA which has it all in there apart from the valve body split which they do not recommend you tackle yourself (but for the hardcore of us out there we ignore them and do it anyway of course)
http://www.cee-it.com/RS6_Data/ZF Repair Manual.pdf
There are a lot of similarities in this and its helpful in instances BUT this IS NOT the A61 version used in the RS6; you are better to get hold of a copy of ELSA which has it all in there apart from the valve body split which they do not recommend you tackle yourself (but for the hardcore of us out there we ignore them and do it anyway of course)
http://www.cee-it.com/RS6_Data/ZF Repair Manual.pdf
Re: Gearbox Teardown & Refurbish - 6HP28A61
This is the ZF family tree that attempts to explain the coding differences between the various flavours of gearboxes they do
I will let you decide whether they meet that objective or not
http://www.cee-it.com/RS6_Data/ZF_SI_6h ... ree_EN.pdf
I will let you decide whether they meet that objective or not
http://www.cee-it.com/RS6_Data/ZF_SI_6h ... ree_EN.pdf
Re: Gearbox Teardown & Refurbish - 6HP28A61
This is the Sonnax presentation that describes the differences between the first and second generation ZF gearboxes, which does a much netter job than the ZF family tree but still has its shortfalls all said and done. Still, a useful source of detail.
http://www.cee-it.com/RS6_Data/ZF6_Webinar-FINAL.pdf
http://www.cee-it.com/RS6_Data/ZF6_Webinar-FINAL.pdf
Re: Gearbox Teardown & Refurbish - 6HP28A61
This is the Sonnax ZIP KIT (repair kit) details - you get this when you buy the zip kit itself, but for those commercially astute bods that just need the dimensions of an odd o-ring to order from a third party - or those that just need to know what valve does what, or what ports or pressure tracts to vacuum test you will find this very useful
http://www.cee-it.com/RS6_Data/ZF6-GEN2-ZIP-IN.pdf
http://www.cee-it.com/RS6_Data/ZF6-GEN2 ... active.pdf
http://www.cee-it.com/RS6_Data/ZF6-GEN2-ZIP-IN.pdf
http://www.cee-it.com/RS6_Data/ZF6-GEN2 ... active.pdf
Re: Gearbox Teardown & Refurbish - 6HP28A61
Here's an analysis of some Virgin ZF-Lifeguard 6, just in case you wondered what was in it and wanted to compare to ANOther flavour
http://www.cee-it.com/RS6_Data/Virgin L ... alysis.png
http://www.cee-it.com/RS6_Data/Virgin L ... alysis.png
Re: Gearbox Teardown & Refurbish - 6HP28A61
Here's the detail for the internal locations of check valve balls and filters and accumulators for the valve body itself for the 6HP28, thanks to Sonnax for providing the info
Note this also applies to the 6HP21 and 6HP34, in other words all second gens.
http://www.cee-it.com/RS6_Data/6HP21-28 ... SMALL1.pdf
Note this also applies to the 6HP21 and 6HP34, in other words all second gens.
http://www.cee-it.com/RS6_Data/6HP21-28 ... SMALL1.pdf
Re: Gearbox Teardown & Refurbish - 6HP28A61
For those fluent in Excel this is the file I use for recording the blueprint build of a 6HP28A61, feel free to use modify to suit your purposes, but dont come crying to me if it doesnt work for you! I share this only for those who know how to use it, I havent got the time to explain it to a non excel bod Im afraid!
Use this at your own risk!
http://www.cee-it.com/RS6_Data/Gearbox_blueprint.xlsx
Use this at your own risk!
http://www.cee-it.com/RS6_Data/Gearbox_blueprint.xlsx
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Re: Gearbox Teardown & Refurbish - 6HP28A61
Fantastic information ATO - many thanks!
Nick
Nick
Re: Gearbox Teardown & Refurbish - 6HP28A61
Thanks ATinOf for your help always happy to help
Will post my pictures and any differences I can see, c7 guys rebuild coming soon watch out ...
Will post my pictures and any differences I can see, c7 guys rebuild coming soon watch out ...
Re: Gearbox Teardown & Refurbish - 6HP28A61
6hp26a61 for anyone interested the code is different
28-1068.079.009
26-1068.322.052
28-1068.079.009
26-1068.322.052
Re: Gearbox Teardown & Refurbish - 6HP28A61
So far the Same as the 28 as explained above, so I won’t bore you, front diff magnet was FILTHY but no big pieces or dept is of 1mm
Re: Gearbox Teardown & Refurbish - 6HP28A61
Oh and she is HEAVY I was on my own so I had no choice but it is definitely more than 130kg don’t try lifting it yourself!
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