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decgraham
Barcelona
Joined: 17 Sep 2008
Posts: 1337
Location: Spain
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 Posted: Fri Dec 08, 2017 4:37 pm Post subject:
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| Diddi wrote: | All,
decgraham ask:.........But isn't Diddi (d964@gmx.de ) offering a rebuild service too?
Yes, what do you need parts (kit) or complete revision - just email D964@gmx.de
original parts from CONTI, INA, FAG........... |
Thanks Diddi,
I'm Ok at the moment but will be in touch if I need a rebuild.
ATB 
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1995 993 C2 Cab TipS in Guards Red
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Endoman
Barcelona
Joined: 11 Apr 2011
Posts: 1341
Location: Bolton U.K.
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| Posted: Fri Dec 08, 2017 5:08 pm Post subject:
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There was a tale of a 964 owner whose belt broke at considerable knots and he ended up with a bent crank, holed pistons are more common but not as common as nothing, they usually break at start up so don't run with a broken belt. Recommended change is 100k Didi supplies full kit and repair as stated, Type 911 supplies belt, pin and rubber seal kit. Yet another winter project as mine has clocked 170k. Did I once say I was getting bored?
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Porsche 944 S2 Coupe Guards Red
Porsche 993 Coupe 9m RS Replica
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Frenchmeister
Barcelona
Joined: 24 Feb 2014
Posts: 1322
Location: Beautiful Cumbria.
2004 Porsche 997 Carrera 2S
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| Posted: Fri Dec 08, 2017 8:20 pm Post subject:
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Recently gave a mate who has a 964 Anniversary a hand with this job, he bought the bearings from somewhere in Germany, probably the place quoted as they are one off sizes either internal or external bore I can't quite remember.
We replaced all bearings and seals, a bit of a faff but doable if you are okay on the tools, freezing the bearings and heating the housing helped to assemble.
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997 Carrera 2S 54 Arctic Silver
944 Turbo S 88 Solid Black
BMW X3 2.0D M Sport 06 Silver Grey
BMW E46 330i touring M Sport 05 Imola Red 2
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Cameltoe & Heel
Barcelona
Joined: 26 Jan 2009
Posts: 1301
Location: Preston - Lancs
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| Posted: Mon Dec 11, 2017 8:56 am Post subject:
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Great thread and makes a change to usual valuations....
Ok so I got mine done and re-installed on Friday PM, upshot is that it's a fairly doable job. I managed to remove just the primary shaft and install a new belt over the secondary shaft. Removal of the secondary shaft requires you remove the cap at the bottom which without destroying it seemed difficult and I had no replacement.
My bearings seemed in good order so I simply greased them up which has made my life a little easier.
Unit during install, your can see the two halves separated
After install and cleanup
The pin is actually tougher than you would imagine and took some serious persuasion to knurl over on both ends to prevent it coming back out, in fact I set-up my 10T bench press to help me out.
The real key to all of this process is to ensure you align crank pulley and disis to the markings when you remove and when you put back, be extra careful during returning your disis back into the block, they engage with the driven shaft and move, this throws the set-up out of timing, you want the marking to line up exactly and you removed when the dissis are in situ, and not on the way out or in as they move due to the toothed gears.
You can see the rotor arms here aligned with markings on dissi case
My belt was in ok order but I did spot a slight fray, I'm glad I've done this job now.
Trev
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Diddi
Trainee
Joined: 04 Dec 2017
Posts: 63
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| Posted: Mon Dec 11, 2017 11:15 am Post subject:
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.....ok, good Job !
The second runner should always be removed - that's what often looks like. The cap on the bottom can be removed with a small screwdriver and then brought back to shape. These two bearings often look chaotic !
I have all parts for your dizzy - Infos D964@gmx.de
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Endoman
Barcelona
Joined: 11 Apr 2011
Posts: 1341
Location: Bolton U.K.
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| Posted: Mon Dec 11, 2017 12:45 pm Post subject:
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If you mangle the cap covering the lower bearing in the secondary housing they can be found on ebay, stainless even. Search under core/frost plugs/caps. Not started this yet but got one just in case. 1 1/4" from coreplugsintl.
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Porsche 944 S2 Coupe Guards Red
Porsche 993 Coupe 9m RS Replica
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AP90
Spa-Francorchamps
Joined: 25 Sep 2004
Posts: 356
Location: Cornwall UK
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| Posted: Mon Dec 11, 2017 1:42 pm Post subject:
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Thank you for posting guys very informative...............one of the jobs on my overdue "to do" list on the 993
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Cameltoe & Heel
Barcelona
Joined: 26 Jan 2009
Posts: 1301
Location: Preston - Lancs
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| Posted: Mon Dec 11, 2017 3:08 pm Post subject:
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I'm going to do a full engine rebuild in a few years so I'll swap the bearings then.
Trev
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RXBoxster
Monza
Joined: 31 Jul 2015
Posts: 211
Location: Preston - Lancashire
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johne
Monza
Joined: 07 Apr 2008
Posts: 165
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| Posted: Mon Dec 25, 2017 5:59 am Post subject:
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wow more things to worry about
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AVI_8
Silverstone
Joined: 19 Jan 2014
Posts: 115
Location: Prestwick
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| Posted: Fri Dec 29, 2017 1:17 pm Post subject:
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I replaced the belt on my 964 a few years back, it's not a difficult diy job and as others have posted there a a few links which give step by step instructions, the hardest bit was compressing the spring to get the circlip back on.
Just make sure the engines at TDC when removing the dizzy and that the rotors are correctly timed on refitting, they turn through around 30 degrees when pushing the dizzy back into the block due to the helical gear so it can take a couple of attempts to get the primary rotor to be positioned to cylinder 1 on refitting, it'll be obvious though if you're one tooth out on refitting.
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Diddi
Trainee
Joined: 04 Dec 2017
Posts: 63
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| Posted: Mon Jan 01, 2018 5:43 pm Post subject:
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@all, Happy New Year !
.....in the new season only with revised ignition distributor - all parts in stock, 7201 bearings, Conti CT-1032 belt and more........ Infos D964@gmx.de
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manners
Newbie
Joined: 10 Aug 2011
Posts: 38
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| Posted: Wed Feb 07, 2018 2:06 pm Post subject:
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Guys late to this but had this problem with my dizzy belt.
After i stripped the dizzy down it was apparent that I had a seized bearing which caused the belt to snap.
I ended up shipping my dizzy to Dennis at Elferwelt in Germany to be refurbished.
https://www.elferwelt.de/
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A993LAD
Montreal
Joined: 20 Mar 2007
Posts: 503
Location: Cambs
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| Posted: Wed Feb 07, 2018 2:48 pm Post subject:
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| manners wrote: | Guys late to this but had this problem with my dizzy belt.
After i stripped the dizzy down it was apparent that I had a seized bearing which caused the belt to snap.
I ended up shipping my dizzy to Dennis at Elferwelt in Germany to be refurbished.
https://www.elferwelt.de/ |
Interesting . Their site looks good but all in German
How much did your rebuild cost?
How long did it take?
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manners
Newbie
Joined: 10 Aug 2011
Posts: 38
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| Posted: Wed Feb 07, 2018 2:58 pm Post subject:
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Probably best to get a quote from Dennis but mine cost 318 euros. Which included replacement of the 4 bearings, belt and pin.
Found him via German ebay and I think he does work for Porsche museum although I could be talking crap...
Total turnaround time was 2 weeks.
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A993LAD
Montreal
Joined: 20 Mar 2007
Posts: 503
Location: Cambs
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| Posted: Wed Feb 07, 2018 3:17 pm Post subject:
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| manners wrote: | Probably best to get a quote from Dennis but mine cost 318 euros. Which included replacement of the 4 bearings, belt and pin.
Found him via German ebay and I think he does work for Porsche museum although I could be talking crap...
Total turnaround time was 2 weeks. |
Thanks manners
I might get a quote and then send it off. My car is running really well and my normal rule is to wait until something goes wrong before I try fixing it. But I'm thinking of driving it down to Italy in May for the Mille Miglia so it would be a shame if I've crossed the channel and then the belt breaks on the distributor.
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Diddi
Trainee
Joined: 04 Dec 2017
Posts: 63
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| Posted: Thu Feb 08, 2018 3:48 pm Post subject:
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[quote="A993LAD"] | manners wrote: | Thanks manners
I might get a quote and then send it off. My car is running really well and my normal rule is to wait until something goes wrong before I try fixing it. But I'm thinking of driving it down to Italy in May for the Mille Miglia so it would be a shame if I've crossed the channel and then the belt breaks on the distributor. |
......is not good, engine damage by dizzy-belt is very expensive-come to me if you drive to the Mille Miglia and I overhaul your Distributor !!! Infos by D964@gmx.de
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Diddi
Trainee
Joined: 04 Dec 2017
Posts: 63
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| Posted: Fri Mar 09, 2018 12:03 pm Post subject:
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yesterday disassembled oh my god .....
I have all parts in stock ask d964@gmx.de
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Zingari
Donnington
Joined: 25 Oct 2009
Posts: 12753
Location: Cheshire
1993 Porsche 964 Anniversary
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| Posted: Fri Mar 09, 2018 12:07 pm Post subject:
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All this looked far too technical for me so my Indy has swapped out the belt as a preventative measure 
Some suggestion the belts are no longer available from Porsche 
_________________
Alfa Romeo’s 4C is everything a Italian sports-car should be: it’s gorgeous to the point of pornography, distinctive enough that nobody will ever mistake it for a Porsche, handles like it’s on rails and steers like a kart.
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Diddi
Trainee
Joined: 04 Dec 2017
Posts: 63
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| Posted: Thu Mar 15, 2018 11:33 pm Post subject:
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| Zingari wrote: |
Some suggestion the belts are no longer available from Porsche |
no Problem, I have Bearings and CONTI-Belt ask d964@gmx.de
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![Porsche 911 [991]](./images/models/998.png)
![Porsche 911 [997]](./images/models/Model-997.gif)
![Porsche 911 [GT]](./images/models/Model-GT.png)
![Porsche 911 [996]](./images/models/Model-996.gif)
![Porsche 911 [993]](./images/models/Model-993.gif)
![Porsche 911 [RS]](./images/models/Model-RS.gif)
![Porsche 911 [964]](./images/models/Model-964.gif)
![Porsche 911 [Early]](./images/models/Model-Early.gif)
