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wilsonny
Monza


Joined: 01 Dec 2012
Posts: 177
Location: Cumbria


PostPosted: Thu Feb 21, 2019 7:10 pm    Post subject: cv joint servicing Reply with quote

just replacing the boots on my drive shafts (c2)... following various online guides I've got the axle stripped to the extent that the inner cv joint is off the axle. now I'm looking at the outer joint and wondering how far to go. the instructions I've got, suggest that the cap covering the outer cv should come off to enable cleaning and repacking... however it is resisting my persuasion tool and I don't want to start getting all hulk style on it because I don't think this cap can be ordered separately from the whole axle. I'm thinking it might be best just to leave this outer side alone, clean up as best as I can with cap in place and add a bit of fresh grease. anyone else tackled this recently ?
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Endoman
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PostPosted: Thu Feb 21, 2019 8:28 pm    Post subject: Reply with quote

Yep exactly that, the inner boot had split. Clean up, regrease. It would appear that the outer cv joint is nsp and you need a new half shaft if the joint is us. I did get a cover for the inner with the boot.
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wilsonny
Monza


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PostPosted: Thu Feb 21, 2019 9:15 pm    Post subject: Reply with quote

thanks endoman. what a filthy job this is... I've got grease where I didn't think you could even get grease.
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peter y.s pang
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PostPosted: Fri Feb 22, 2019 3:43 am    Post subject: Reply with quote

By the way, how to test the cv joint is bad or not、

tks
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Cameltoe & Heel
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PostPosted: Fri Feb 22, 2019 11:19 am    Post subject: Reply with quote

yes and exactly this reason I ended up with two new driveshafts.....if you damage that flange you is screwed.... Mad

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wilsonny
Monza


Joined: 01 Dec 2012
Posts: 177
Location: Cumbria


PostPosted: Mon Feb 25, 2019 7:54 pm    Post subject: Reply with quote

Endoman wrote:
Yep exactly that, the inner boot had split. Clean up, regrease. It would appear that the outer cv joint is nsp and you need a new half shaft if the joint is us. I did get a cover for the inner with the boot.


don't suppose you used the Porsche cv boot clips did you ? I bought these from opc, but I've struggled to get them tight as they are just a plain band with a tab fastener and can't be tightened using a normal clip tool and don't have a tightening crimp. I've done a best endeavours job and they look ok....I think.
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Endoman
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PostPosted: Mon Feb 25, 2019 10:14 pm    Post subject: Reply with quote

The ones I used had an Oertiker type clamp supplied by Design 911. The one I replaced wasn't that old but had split, retained by a cable tie.
As you say a very messy job.
Can't remeber why I needed the Swiss army knife and continuity tester.
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wilsonny
Monza


Joined: 01 Dec 2012
Posts: 177
Location: Cumbria


PostPosted: Thu Feb 28, 2019 8:50 pm    Post subject: Reply with quote

Endoman wrote:
The ones I used had an Oertiker type clamp supplied by Design 911. The one I replaced wasn't that old but had split, retained by a cable tie.
As you say a very messy job.
Can't remeber why I needed the Swiss army knife and continuity tester.


hmmm... i might need to consider some different clips. just building myself up to having a go at refitting the first axle this weekend.
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wilsonny
Monza


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Location: Cumbria


PostPosted: Mon Mar 04, 2019 7:12 pm    Post subject: Reply with quote

Endoman wrote:
The ones I used had an Oertiker type clamp supplied by Design 911. The one I replaced wasn't that old but had split, retained by a cable tie.
As you say a very messy job.
Can't remeber why I needed the Swiss army knife and continuity tester.


... one more question if you don't mind... did you use any sealant either inside the cv caps or between the cap and the gearbox ? info in the workshop manual seems to suggest it should be used.
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Endoman
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PostPosted: Mon Mar 04, 2019 9:27 pm    Post subject: Reply with quote

From what I can recall no. Nice write up here:-
http://forums.pelicanparts.com/porsche-964-993-technical-forum/181361-993-howto-60k-cv-joint-servicing.html
I also used a GKN kit.
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wilsonny
Monza


Joined: 01 Dec 2012
Posts: 177
Location: Cumbria


PostPosted: Tue Mar 05, 2019 8:53 pm    Post subject: Reply with quote

Endoman wrote:
From what I can recall no. Nice write up here:-
http://forums.pelicanparts.com/porsche-964-993-technical-forum/181361-993-howto-60k-cv-joint-servicing.html
I also used a GKN kit.


thanks... that's the main guide I've been using, but it's also the one that suggests the outer cv cap comes off so ive also used a bunch of others inc one from a 928 owner, but you know what it's like.... sometimes the more you read, the more contrary advice there is. useful to hear you never bothered with sealant.
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AP90
Spa-Francorchamps


Joined: 25 Sep 2004
Posts: 354
Location: Cornwall UK


PostPosted: Wed Mar 06, 2019 2:51 am    Post subject: Reply with quote

Well done for tackling this job, I bottled out last year and it cost me a bundle to have my specialist do it. Even they said it's a bit of a number to as a diy

I do remember reading about how messy it is, another reason I swerved as I tend to lose patience with those kind of jobs at home.

Hope it all goes well

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decgraham
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Joined: 17 Sep 2008
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PostPosted: Wed Mar 06, 2019 7:49 am    Post subject: Reply with quote

I too bulked at changing the boots myself a couple of years ago. I bought 4 kits from Matt at Type911 and had my local Indy do the job. Not too expensive IMHO, came in at €170.00 Thumb

ATB Smile
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wilsonny
Monza


Joined: 01 Dec 2012
Posts: 177
Location: Cumbria


PostPosted: Wed Mar 06, 2019 10:15 pm    Post subject: Reply with quote

decgraham wrote:
I too bulked at changing the boots myself a couple of years ago. I bought 4 kits from Matt at Type911 and had my local Indy do the job. Not too expensive IMHO, came in at €170.00 Thumb

ATB Smile


yeah... I'm working on number two axle tonight... still covered in grease ! sort of talked myself into tackling it because I got a hydraulic lift this year... it has made it much easier of course but it's still a bit of a task for me at least.. got to try getting them back in yet. 170 for this job sounds mighty cheap right now.

as usual, doing it yourself is enlightening however... I've discovered all sorts along the way that reputable indies have cut corners on doing work on my car (some time ago). one of the jobs I've tackled while the axles are off is changing the sluggish starter motor and having gone through the extreme limbo manoeuvre required to remove it, I can see that previous professionals had failed to replace all the little things like protection cap on the starter, ties on the wire bundles and had mis- routed various bits and pieces. lot to be said if you've got the will and a little ability for doing some things yourself.
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decgraham
Barcelona


Joined: 17 Sep 2008
Posts: 1292
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PostPosted: Thu Mar 07, 2019 7:33 am    Post subject: Reply with quote

Hi wilsonny,

Yes I agree, when you do the job yourself you know for sure whats been done and how it's been done. I try and take on as much as I can now but a few years back the car scared me Rolling Eyes why, I don't know because as I've done more I've realised it's not too complicated. I always take plenty of pictures when I tackle a job and it's served me well. I might take a bit more time than a pro but I'm in no hurry and want to do it right. Still use my indy on jobs I can't do due to lack of tools or equipment but that isn't that many.

Keep up the good work and I hope it all worked out well with the other axle Thumb

ATB Smile
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wilsonny
Monza


Joined: 01 Dec 2012
Posts: 177
Location: Cumbria


PostPosted: Mon Mar 11, 2019 12:23 pm    Post subject: Reply with quote

thanks.. appreciate the words of moral support...keep me focused on getting this thing back on the road for the end of the month.

one thing that might be useful to others, is that I've tackled changing the starter motor, which of course is much easier when the drive shaft is off on the drivers side. mine has been doing the solenoid clunk for a while, so I'd rather not find out if it's going to fail on me one day. I decided to get a new Bosch unit from design911 because it was the same price as a refurb unit and a fifth of the price quoted by opc (also for a refurb unit).

the new unit is the same as fitted to 996 and later I believe. fits great and most significantly it is about 3cm shorter than the old one. for those of you who've done this job you'll know that this is a very significant size discrepancy, and it means you can much more easily get the top fastener on...I even managed to fit the washer and get my torque wrench on there. relatively speaking, it's a breeze with the extra space the shorter unit gives you. definitely a recommended swap if your needing to do it and not overly up-tight about keeping the old Bosch unit (which as far as I can see, does not have any Porsche markings on anyway).

[img]https://photos.app.goo.gl/Zp2iPtzMmE6gXsVV6[/img]

[img]https://photos.app.goo.gl/Np3fZFfsbWZR8xwFA[/img]
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wilsonny
Monza


Joined: 01 Dec 2012
Posts: 177
Location: Cumbria


PostPosted: Mon Mar 11, 2019 12:26 pm    Post subject: Reply with quote

...if those links don't work, these ones should:


https://photos.app.goo.gl/Zp2iPtzMmE6gXsVV6


https://photos.app.goo.gl/Np3fZFfsbWZR8xwFA
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Endoman
Barcelona


Joined: 11 Apr 2011
Posts: 1299
Location: Bolton U.K.


PostPosted: Mon Mar 11, 2019 7:19 pm    Post subject: Reply with quote

wilsonny wrote:
thanks.. appreciate the words of moral support...keep me focused on getting this thing back on the road for the end of the month.

one thing that might be useful to others, is that I've tackled changing the starter motor, which of course is much easier when the drive shaft is off on the drivers side. mine has been doing the solenoid clunk for a while, so I'd rather not find out if it's going to fail on me one day. I decided to get a new Bosch unit from design911 because it was the same price as a refurb unit and a fifth of the price quoted by opc (also for a refurb unit).

the new unit is the same as fitted to 996 and later I believe. fits great and most significantly it is about 3cm shorter than the old one. for those of you who've done this job you'll know that this is a very significant size discrepancy, and it means you can much more easily get the top fastener on...I even managed to fit the washer and get my torque wrench on there. relatively speaking, it's a breeze with the extra space the shorter unit gives you. definitely a recommended swap if your needing to do it and not overly up-tight about keeping the old Bosch unit (which as far as I can see, does not have any Porsche markings on anyway).

[img]https://photos.app.goo.gl/Zp2iPtzMmE6gXsVV6[/img]

[img]https://photos.app.goo.gl/Np3fZFfsbWZR8xwFA[/img]

Very useful information thumbsup
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