Gearbox rebuilder in South or South West?

If the metal is bronze in colour which it appears to be then its parts of a synchro ring .

In this case i would assume 2nd gear .

From your earlier comments and you may well have diff bearing play .

I think that would be typical for the mileage you're looking at...those metal bits likely to be from your syncros

My car certainly suffered from a lack of transmission oil change.

The condition of your syncro's between gears will vary, mine required new 3rd and 4th, there's various bearings that will need replacing including your diff bearings. I needed new planetary gears in the diff too and mine were munched, so a full diff set was ordered, I supplied a new diff housing too.

An example of what you may require in there, obviously every box is different.

Syncros
Needle Rollers (diff)
Diff bearings
Diff bolts
Angular bearing
roller bearing
Gasket set
Pinnion bearing
Cone rings
rings
Various sockets, roll pins, washers, nuts, caps and seals

Trev

pietrzj said:

Hi,
My closest Porsche specialists are JMG Porsche in Bornemouth and Canford Classics, but would like at least 4 to contact.

Any suggestions?

Jan

Click to expand...

Hi Jan,

Just for the archives, I think I will put in here what my advice was.

Mainly being there are a number of ways that people will call a transmission rebuild, ranging from....

* The domestic transmission specialists, who will often just take the gearbox apart, find the problem, replace the offending part, with potentially little regard for setting the gearbox up as it goes back together, as they are often working to domestic basic transport car expectations. Every town has a transmission specialist workshop working to these expectations.

* Then there is the Porsche way, to the book and by the official manuals (including what is covered in the earlier factory manuals that are assumed have been digested), this should see you with a good transmission if they go through the whole procedures, methods and good practices.

* My way is far too expensive (to be brutally honest), as it involves assembling and disassembling the transmission over and over again, checking mesh patterns and measuring preloads and lash, which as I say, is complete overkill, but does result in a silky smooth gear selection, silence and increased load resilience, difficult to quantify or justify, which is why I recommend us sending transmissions to someone who does it all day every day such as....

* Then there are the transmission specialists who really care, know their stuff, work on high end transmissions every day. These people because it is an every day thing for them, they work on impeccable instincts of how a shaft turns and the feel, to cut down on my methods, but get the same kind of results. In the past I have removed customers transmissions, who have sent them to places like Sports and Classic for rebuilds, we have installed them again and everything has been great.
If it were my baby (as my time to me is free) I would rebuild my transmission, but if it were less of a lifetime keeper, or if I had to pay for my own labour and the severe amount of time involved with my method, I would send them to Sports and Classic.

Then there are all the independent Porsche specialists, some of whom might tell you they have rebuilt it, but it may have gone to somewhere else.. Then there are some who are varying shades of proficiency, some might be better than Sports and Classic.

But for me, unless its a rare transmission and it is money no object, it is the only job where I recommend people do not use us, just based on cost, my OCD for transmissions are too expensive.. unless they don't mind it being removed, shipped to Sports and Classic or elsewhere, and then re-installed by us. But the rebuilder has to be paid by the customer, and the warranty between the customer and the rebuilder.

This is the only area, apart from body repairs, that I turn down work.

However for the sake of this post, the photos would indicate it is a transmission issue, not gear oil selection (Swepco can make gears bulk during gear selection for example) or anything simple, this one does need a repair or really a complete rebuild.

Thanks all. I am making progress and will keep you all posted.

Thank you Jon, a very comprehensive response, I will let you know what I decide. Regards, Jan

You need to get it to Christian Sanger in Wiltshire. He rebuilt mine (some bearings, 1st/2nd selector sleeve, synchros, etc) about six years ago and it was like having a new car. I giggled like a child when I picked it up and drove down the road and it just slotted into 2nd gear with no babying or hesitation. I'd had the dreaded 2nd gear crunch and I'd put up with it for long enough.

I'm sure there are plenty on here that will vouch for him. A general mechanical wizard, but in particular he knows the 993 intimately.

I've recently had this place in Weymouth recommended to me for some work I need doing on my classic car. Don't read anything into the name, they also work on manual boxes;

http://www.dunnings-automatics.co.uk/gearbox-specialists/3699033