Joined: 27 May 2019 Posts: 8 Location: East Preston
Posted: Mon Nov 11, 2019 9:58 pm Post subject: 996 Things to check change whilst the engine is out?
I had the engine out on my 996 C2 Tip cabrio (1999 72k miles) when I purchased it at a specialist to get the IMS, RMS and Oil separator replaced. Unfortunately 14months (1200miles) down the line the engine is out again to deal with a water leak from one of the plastic pipes on the separator which has cracked. Is there any other parts/items that can only be replaced while the engine is out that are common problems that I should consider replacing?
Thanks
Glenn _________________ Current
1999 Porsche 996 C2 Cabriolet
2013 Audi TT Amplified Black Edition
Previous
1990 964 C2 Rubystone RS look
1975 911S
Alex Le Mans
Joined: 06 Mar 2014 Posts: 17144 Location: The Ribble Valley, Lancashire
Mine's a Turbo so I had a few different problems to address which you won't but what I think might be common would be aluminium coolant pipes which look ok but were corroded where they sit in the retaining clips. And not just engine bay brake pipes but underbody brake line front and rear, on mine I'd had advisories on MOT for a couple of years.
I also had a replacement coolant expansion tank. Apparently they do crack and are difficult to replace with the engine in place (on a Turbo anyway).
Also on the Tip box there are a couple of external oil lines which needed replacement. 2003 with around 85k miles at the time.
Lastly and while not related to engine out would be the steering rack pipes, mine were pretty nasty. _________________ Pickse
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03 Arctic Silver 996T Tip S
Now 9E38 - An improved! 996T
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steve r Monza
Joined: 26 Sep 2011 Posts: 227
Posted: Tue Nov 12, 2019 10:42 am Post subject:
When mine was out the brake pipes, aluminium coolant pipes, power steering pipes and coolant tank were all changed.
The engine came out for the brake pipes but the others showed the signs of age / wear so i and them all done to save removing the again in the near future. _________________ 40th Anniversary
deMort Dijon
Joined: 21 Mar 2015 Posts: 7593 Location: Brighton
Posted: Tue Nov 12, 2019 8:32 pm Post subject:
Everything in the image below needs checking or replacing .. i would also say have a good look at the wiring grommet o/s/r as the bodywork often corrodes badly at this point . _________________ .
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MisterCorn Dijon
Joined: 08 Jan 2011 Posts: 7332 Location: Nottingham, England
The brake pipe can be seen running across above the two large aluminium pioes in the picture. I would also check the fuel rails and clutch slave cylinder.
MC
Robertb Dijon
Joined: 01 Sep 2003 Posts: 7333 Location: South Oxfordshire
I had my engine dropped a while ago to fix an AOS. The Indy did say he’d check for any other issues, but he didn’t report anything and I didn’t get a chance to go and have a look.
It will be annoying if something needs doing now...
Out if interest is there a better spec AOS than the failure-prone standard one? _________________ "911- the guilt-free supercar"
Current: 2003 C4S Coupe, seal/black
Ex: '02 C4S Coupe, '96 993 Targa, '88 Carrera Sport Coupe
Water pump, if it’s the original there’s probably not much life left in it.
Oil pressure sender if it’s looking corroded, and check the spade connectors to it on the end of the loom as it’s very common for them to corrode. Quite why the oil sender doesn’t have a proper waterproof connector I don’t know!
Glenn99C2 Newbie
Joined: 27 May 2019 Posts: 8 Location: East Preston
Posted: Mon Nov 18, 2019 5:34 pm Post subject:
Robertb wrote:
I had my engine dropped a while ago to fix an AOS. The Indy did say he’d check for any other issues, but he didn’t report anything and I didn’t get a chance to go and have a look.
It will be annoying if something needs doing now...
Out if interest is there a better spec AOS than the failure-prone standard one?
The AOS that is being replaced is a new one that I put on when I bought the car 1year 1400miles ago......I noticed the leak within a month, had it checked twice over the year before taking the engine out. From description it sounds like the small water pipe was fractured during the refit _________________ Current
1999 Porsche 996 C2 Cabriolet
2013 Audi TT Amplified Black Edition
Previous
1990 964 C2 Rubystone RS look
1975 911S
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