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deMort
Dijon


Joined: 21 Mar 2015
Posts: 7279
Location: Brighton


PostPosted: Fri May 12, 2017 6:37 pm    Post subject: Reply with quote

I may see this stuff every day but i do love a post like this Thumb

Will follow with interest .
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Armagreggon85
Trainee


Joined: 04 Jan 2017
Posts: 93



PostPosted: Fri May 12, 2017 10:25 pm    Post subject: Reply with quote

How do you plan to remove your snapped bleed nipple? I had one snap when I bled my brakes last, I tried using a stud extractor which also snapped inside the nipple. I've ended up leaving it in there - thinking I'll have to get it spark eroded when I take the caliper off for a refurb
 
  
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Harv
Suzuka


Joined: 18 Sep 2014
Posts: 1204



PostPosted: Sat May 13, 2017 3:33 pm    Post subject: Reply with quote

Send to Thomas at ProCalipers, he's a wizard at extracting these and for about £10 it's a no brainer. I had two snap on me and they looked very corroded in there. Even if the thread strips I think there are options for going oversize.

Afterwards fit stainless nipples, again about £10 for a full set off ebay.

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toobusy
Nürburgring


Joined: 12 Nov 2009
Posts: 378
Location: Rutland - UK


PostPosted: Sat May 13, 2017 4:06 pm    Post subject: Reply with quote

Harv wrote:
Send to Thomas at ProCalipers, he's a wizard at extracting these and for about £10 it's a no brainer. I had two snap on me and they looked very corroded in there. Even if the thread strips I think there are options for going oversize.

Afterwards fit stainless nipples, again about £10 for a full set off ebay.

Thumb


I had my rear calipers sorted by ProCalipers. Broken ones extracted, time-sert fitted. While they were there he did a full refurb with new seals and painted. Simple and a great job (not the cheapest..)
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skinny_monkey
Nürburgring


Joined: 16 Sep 2014
Posts: 443



PostPosted: Sat May 13, 2017 11:12 pm    Post subject: Reply with quote

I snapped a valve too.

Ended up getting all 4 refurbed also bt Thomas at pro calipers. Took the opportunity to get them in yellow. If I'm spending £700 I want to be able to see something different!
 
  
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infrasilver
Fast & Furious
Fast & Furious


Joined: 04 Oct 2010
Posts: 8420
Location: East Midlands

2001 Porsche 996 Targa

PostPosted: Sun May 14, 2017 5:39 pm    Post subject: Reply with quote

I have an (not very) easy out snapped in mine though so I'm not sure Thomas can remove them, I'll give him a shout though, if not I'll go to my local engineering place to see what they can do. I need to get the engine back in the car before I can start work on the front end as I have the wheels on ramps to make the car a bit more stable whilst in the air.

So now I've got the engine out and on the dog shelf so just need to split the engine and box. I had one major headache that the spline headed bolt for the bellhousing has snapped and will require removing, I'm hoping there is enough stud left sticking out to allow me to weld a nut onto it if not it will require drilling out.



I've had a closer look around the AOS leak and it is definitely leaking in this area, I'm guessing the crankcase hose is leaking but from this picture it does seem to be coming from higher up.



I also found a lot of misting around the Variocam solenoid near cylinder 4 so I will need to remove the whole exhaust system now as the silencer bracket looks to be in the way.


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Last edited by infrasilver on Wed Aug 02, 2017 11:17 pm; edited 1 time in total
 
  
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ragpicker
Reims


Joined: 14 Apr 2013
Posts: 4029
Location: North East England


PostPosted: Mon May 15, 2017 7:45 am    Post subject: Reply with quote

Im sure its not high on your list of priorities but that coolant expansion tank looks like its seen better days. Only a few more heat cycles away from cracking I'd wager. Much easier to replace whilst the engine is out too.

Following with interest old bean! Thumb
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chriscoates81
Suzuka


Joined: 17 May 2013
Posts: 1112



PostPosted: Mon May 15, 2017 11:38 am    Post subject: Reply with quote

ragpicker wrote:
Im sure its not high on your list of priorities but that coolant expansion tank looks like its seen better days. Only a few more heat cycles away from cracking I'd wager. Much easier to replace whilst the engine is out too.

Following with interest old bean! Thumb


It's not like there's much coolant to top up either Very Happy .
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infrasilver
Fast & Furious
Fast & Furious


Joined: 04 Oct 2010
Posts: 8420
Location: East Midlands

2001 Porsche 996 Targa

PostPosted: Mon May 15, 2017 2:56 pm    Post subject: Reply with quote

The header tank does seem to look a lot more yellow in the pic than in real life, it has never been replaced though, I know it'll be the updated version with it being in a 3.6 but I may just change it whilst I'm in there.
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infrasilver
Fast & Furious
Fast & Furious


Joined: 04 Oct 2010
Posts: 8420
Location: East Midlands

2001 Porsche 996 Targa

PostPosted: Tue May 16, 2017 11:14 pm    Post subject: Reply with quote

More thread pains today, this time with the oxygen sensors, one won't budge and one has stripped its threads, I think I can just chase the thread as they look to be almost still there, looks like I'll be taking the CAT somewhere to get the other one removed, none of my tools will get it out and I heat cycled it beforehand.

I gave it a ton of heat but I don't have an oxy set so just the usual butane torch.





And a special mention to Ragpicker as I decided to remove the header tank in readiness for ordering a new one and on closer inspection there is a small split developing which I would have otherwise missed.



Part number was a little older than I expected.


Exhaust silencer on the N/S has fairly corroded seams and I think I need a new or good used one as I think it is beyond getting repaired but I will also need to re-do the bypass mod on that side if I do get a new one.
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Last edited by infrasilver on Wed Aug 02, 2017 11:25 pm; edited 1 time in total
 
  
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Dammit
Indianapolis


Joined: 23 Sep 2016
Posts: 2305



PostPosted: Wed May 17, 2017 7:55 am    Post subject: Reply with quote

I was going to replace my expansion tank whilst the engine was out- until I saw it was ~£400, then I decided to replace it at another point.
 
  
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MisterCorn
Dijon


Joined: 08 Jan 2011
Posts: 7227
Location: Nottingham, England

2004 Porsche 996 Turbo

PostPosted: Wed May 17, 2017 8:20 am    Post subject: Reply with quote

Dammit wrote:
I was going to replace my expansion tank whilst the engine was out- until I saw it was ~£400, then I decided to replace it at another point.


Yes, If you have a 3.4 then the prices are horrific, not so bad for the 3.6. I had to do the one on my 3.4 recently but was lucky to source an unused secondhand one for much more reasonable money. I recently changed one on a 1989 Mercedes of mine, £18 for a genuine one from Mercedes.

It isn't that hard to do with the engine in, you just need to drop it a little bit.

MC
 
  
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infrasilver
Fast & Furious
Fast & Furious


Joined: 04 Oct 2010
Posts: 8420
Location: East Midlands

2001 Porsche 996 Targa

PostPosted: Wed May 17, 2017 10:22 pm    Post subject: Reply with quote

I've found a used 2006 header tank on ebay for a reasonable price so will be fitting this in a couple of days when it turns up. New ones are around £180 and ECP seem to do one at around £80 but I was unsure if that was a pattern part or not so I went with a good used one in the end.

I've split the gearbox from the engine and have greased the clutch release fork arm a little where the slave cylinder goes so I hope this stops the creaking noise. I have also fitted the new release bearing, the old one was quite wobbly so I hope this to cure the other noise that was annoying me.




I'm happy to say I have no misting from either the RMS or IMSB seal.



The oil misting from around the AOS is worse than I thought and there are small puddles of oil on top of the crankcase fins, this must have been collecting for a while as it's like treacle. I'm still not 100% where this is coming from still but I wouldn't have been able to see this with the engine in situ.





I'll be able to see a little better once I drag the engine from under the car, the AOS is a job for Thursday and will take a bit of cleaning up in this area.


I may have also found why my AC keeps losing gas, the green O ring going onto the compressor has been crushed somewhat, there was no dye to be seen in this area but fingers crossed this is the reason.



One reason I like to do my own work, I can do other small preventative jobs that no paid mechanic would do and I cleaned up the oil pressure sender connections as they were starting to look a little corroded.



I have sent the CAT away to get the other Oxygen sensor out and chase the thread on the one I got out, should get this back on Thursday afternoon.
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Last edited by infrasilver on Wed Aug 02, 2017 11:37 pm; edited 1 time in total
 
  
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Alex
Le Mans
Le Mans


Joined: 06 Mar 2014
Posts: 16809
Location: The Ribble Valley, Lancashire

2000 Porsche 996 Carrera 4

PostPosted: Wed May 17, 2017 10:40 pm    Post subject: Reply with quote

What date's this year's tour?

Hats off to you Chris but you do like to cut things fine.
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infrasilver
Fast & Furious
Fast & Furious


Joined: 04 Oct 2010
Posts: 8420
Location: East Midlands

2001 Porsche 996 Targa

PostPosted: Wed May 17, 2017 10:53 pm    Post subject: Reply with quote

alex yates wrote:
What date's this year's tour?

Hats off to you Chris but you do like to cut things fine.


Got 17 days to go yet, there isn't a massive amount to do in reality but yes I do seem to like a race against time.
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Alex
Le Mans
Le Mans


Joined: 06 Mar 2014
Posts: 16809
Location: The Ribble Valley, Lancashire

2000 Porsche 996 Carrera 4

PostPosted: Wed May 17, 2017 10:57 pm    Post subject: Reply with quote

Good luck! Thumb
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Harv
Suzuka


Joined: 18 Sep 2014
Posts: 1204



PostPosted: Thu May 18, 2017 8:04 pm    Post subject: Reply with quote

Chris

Good work, are you going to pressure clean off the top of the motor?

Looks like its oil wet on the RHS too in the pic of the oil pressure sender, anything leaking that side?

I noticed your fuel rails are looking quite corroded, have a good look to make sure it's nothing too deep. You could probably whip them off and clean and paint them and If you want to do this I recommend replacing the fuel injector seals, let me know if you want a set and send you some.

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steve r
Monza


Joined: 26 Sep 2011
Posts: 217



PostPosted: Thu May 18, 2017 8:25 pm    Post subject: Reply with quote

Theres a corrugated plastic hose that runs over the engine, mine had a pin hole leak in it which allowed oil mist out covering the engine in a similar way to yours. Could be worth a look.
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infrasilver
Fast & Furious
Fast & Furious


Joined: 04 Oct 2010
Posts: 8420
Location: East Midlands

2001 Porsche 996 Targa

PostPosted: Thu May 18, 2017 8:50 pm    Post subject: Reply with quote

Your eagle eyes have noticed the fuel rails too, I have planned to refurb these a little and use some of the same rust paint I will be using on the underside cross braces that have surface rust. There are also a couple of seams I have noticed that need a little cleaning up and protection on the bulkhead that you can't see with the engine in place.

I have cleaned some of the engine so far with brake cleaner as this stuff shifts oil build up like nothing else but ideally I will need to get the engine on a trolley to get it somewhere outside so I can give it a blast with the pressure washer or it'll cost about £2k in brake cleaner to clean it all up.

I didn't get chance to strip the AOS off today so hopefully I will have an answer tomorrow. There is also a chance that the O rings on the plastic pipe, you are taking about, could be leaking.
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Stever845
Monza


Joined: 10 Aug 2016
Posts: 165
Location: Oxfordshire

2005 Porsche 997 Carrera 2S

PostPosted: Thu May 18, 2017 9:59 pm    Post subject: Reply with quote

Pop Corn
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