Porsche sc

Hello , can anyone help with the location of the gearbox numberof a 928s?

Many thanks in advance

FlyingDog

One of the ribs on the bottom not far behind the crossmember.

Porsche sc

Pictures?

Rob Edwards

Here's one on a '90, on the bottom just in front of the drain plug:

Porsche sc

Isn't that the serialnumber of the transaxle ?
Of am i wrong.

FlyingDog

G28/55 is the model number of his tranny. I'm not sure what 3L is but the number on the right is probably the tranny serial number.

Manuals are G28/xx, slushboxes are A28/xx

Rob Edwards

It's the model number (G28.55 on the left) and the serial number 3L 919 on the right.

There's a thread with the gearbox decoder thanks to Erkka:

https://rennlist.com/forums/showthre...=gearbox+ABCDE

Post #26

Vilhuer

That is late numbering style. Early style has little different LSD info layout but basic G28/xx for manual gearbox and A28/xx type designation apply to them all.

https://rennlist.com/forums/928-forum/328743-transmission-desciphering.html

Porsche sc

@ Rob , i don't see a number on that location.
Mine is a '82 model.

FlyingDog

Earlier are closer to the crossmember.

Porsche sc

Does anyone have pictures of the location for the early style?

Porsche sc

Nowone ??

a4sfed928

The location is two ribs forward on the transmission.

a4sfed928

oops from the one in the picture above

H2

Erkka is a treasure trove of 928 information. It's pretty obvious that he has read (and understands) the onerous manuals.

The 928 color that I like better than white (which I do not own, yet) is the green in Erkka's avatar. Are there 928s in the US with this color?

Thanks to Erkka, I can now crawl under my 928 and decode the trans number. Thanks, Erkka!

H2