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NLW73
Barcelona


Joined: 27 May 2014
Posts: 1256
Location: Yateley


PostPosted: Fri Mar 16, 2018 6:37 pm    Post subject: Reply with quote

wrong thread. Sorry again!!
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997 C2s Schwarz

Last edited by NLW73 on Sun Mar 18, 2018 7:54 am; edited 1 time in total
 
  
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EGTE
Imola


Joined: 06 Jul 2015
Posts: 799



PostPosted: Sat Mar 17, 2018 11:09 am    Post subject: Reply with quote

Which manifolds are these?
 
  
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maldren
Österreich


Joined: 07 Oct 2016
Posts: 890



PostPosted: Wed Mar 21, 2018 6:52 pm    Post subject: Reply with quote

Before I take mine apart to find out, is there an exploded parts manual that shows how it all goes together?

There seem to be lots of different lists of nuts bolts and washers required! I've looked at the Type911 kit and it seems to have 6 bolts but only 2 nuts. There are also 4 seating washers, I can see from Pelican that 2 go under the M12 bolts (under the engine mount). Where do the others go.

As I see it at the moment, M8 bolts and washers to fasten the mount to the chassis and an M12 bolt through the mount to the engine support. Is there anything on the M12 bolt above the engine support bracket? Does the other seating washer go above the engine mount under the M12 bolt head or is that where the thick M12 washer sits? Talking of thick, is it just me?
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Mike
2003 996.2 C2 Coupe Arctic Silver
 
  
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INWB
Monza


Joined: 02 May 2016
Posts: 163
Location: Leicestershire


PostPosted: Fri Mar 30, 2018 7:11 pm    Post subject: Reply with quote

After reading all the threads on here about engine mounts I have just ordered RSS mounts.

Brake discs and pad next - it is turning into an expensive month.
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2003 Manual 996 C4S Midnight Blue
 
  
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JS1500
Monza


Joined: 12 Apr 2017
Posts: 169
Location: Aberdeen


PostPosted: Sat Mar 31, 2018 9:08 am    Post subject: Reply with quote

INWB wrote:
After reading all the threads on here about engine mounts I have just ordered RSS mounts.

Brake discs and pad next - it is turning into an expensive month.


Let us know what you think of the RSS mounts when you've had time to try them out.

Mine has the 993/964 RS (aftermarket) mounts fitted now and I think they've made a fair difference. I can't directly compare them to standard as one of mine was shot before the replacement, so I guess any new ones are bound to feel better! Gear change seems improved, passenger seat vibrates LESS than before (apologies to my wife) and gone is the dull 'thunk' I'd been getting on rutted roads.

Got my ABS issue sorted too, happy days!
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2000 996 C4 - Guards Red
 
  
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NLW73
Barcelona


Joined: 27 May 2014
Posts: 1256
Location: Yateley


PostPosted: Sat Mar 31, 2018 9:47 am    Post subject: Reply with quote

Who did you buy the kit from JS? Or did you just get the mounts and make up the bolts?

Few options from type 911 to design 911

Am going to do this as it makes a difference to the gear change, handling and feel of the car.
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uk996
Trainee


Joined: 09 Jan 2018
Posts: 89
Location: Home Counties


PostPosted: Sat Mar 31, 2018 11:35 am    Post subject: Reply with quote

bought the RS mount and cupped washers from type 911.

Matthew Smith was very helpful.
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2002 996tt Aero in seal grey 6MT
 
  
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JS1500
Monza


Joined: 12 Apr 2017
Posts: 169
Location: Aberdeen


PostPosted: Sat Mar 31, 2018 12:57 pm    Post subject: Reply with quote

uk996 wrote:
bought the RS mount and cupped washers from type 911.

Matthew Smith was very helpful.


Yes, mine were from him too, very good service.
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2000 996 C4 - Guards Red
 
  
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Locosaki
Spa-Francorchamps


Joined: 03 Jul 2016
Posts: 292
Location: Fife


PostPosted: Sat Mar 31, 2018 1:43 pm    Post subject: Reply with quote

http://type911shop.co.uk/epages/de867ca1-377e-432e-84fd-bdccf2206766.mobile/en_GB/?ObjectPath=/Shops/de867ca1-377e-432e-84fd-bdccf2206766/Categories/Shop/186/192/1095

Is this the right set up ?
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Carrera 4 MY99 with full Hartech rebuild
 
  
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maldren
Österreich


Joined: 07 Oct 2016
Posts: 890



PostPosted: Sat Mar 31, 2018 3:57 pm    Post subject: Reply with quote

I've bought RS mounts (aftermarket) and just ordered a variety of nuts, bolts and washers on Ebay.

From the pics on other sites I now think the sequence for the long M12 bolt is:
Large thick washer
Porsche engine mount seat washer
Engine mount
Porsche engine mount seat washer
Large thick washer
Engine x Member
Washer (thick?)
Lock Nut

Am I correct?
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Mike
2003 996.2 C2 Coupe Arctic Silver
 
  
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EGTE
Imola


Joined: 06 Jul 2015
Posts: 799



PostPosted: Sun Apr 01, 2018 9:41 am    Post subject: Reply with quote

I'm not sure about the last washer (I didn't use one, but I doubt it could hurt....) but otherwise that sounds good. Thumb
 
  
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maldren
Österreich


Joined: 07 Oct 2016
Posts: 890



PostPosted: Sun Apr 01, 2018 9:55 am    Post subject: Reply with quote

Thanks, it's not shown on the part manual but it is on the photos of the part in situ, I've got serrated flange nuts so a washer will stop any damage to the engine support bracket.

I've also bought slightly smaller dia (30mm) thick washers, do you think these will be wide enough?
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Mike
2003 996.2 C2 Coupe Arctic Silver
 
  
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EGTE
Imola


Joined: 06 Jul 2015
Posts: 799



PostPosted: Sun Apr 01, 2018 11:58 am    Post subject: Reply with quote

How big are the ones recommended?
 
  
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bakerboy4s
Monza


Joined: 06 Jun 2015
Posts: 205
Location: Staffordshire


PostPosted: Sun Apr 01, 2018 2:02 pm    Post subject: Reply with quote

Phil 997 wrote:
I used rennline semi solid adjustable mounts on my 997.1 on the softest bushing they were livable with as a daily but there was a little NVH . I am just trialing FF semi semi solids on my gen2 these are new OE mounts filled with eurathane, my initial thoughts are similar NVH to semi solids but they may settle and bed in even the semi solids bed in a little over a few miles etc. if not I am thinking about the 993RS mounts as an option as I hear they have little or no NVH but need to see that for myself. Thumb at the end of the day dont dismiss just new OE mounts as they will be so much better than 15/16 yr old mounts. Grin


Hi Phil
Where did you get the FF semi semi from, did you have to import?
 
  
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Phil 997
Brands Hatch
Brands Hatch


Joined: 05 Dec 2015
Posts: 14283
Location: Bournemouth,Dorset

2009 Porsche 997 Carrera 4S

PostPosted: Sun Apr 01, 2018 2:32 pm    Post subject: Reply with quote

bakerboy4s wrote:
Phil 997 wrote:
I used rennline semi solid adjustable mounts on my 997.1 on the softest bushing they were livable with as a daily but there was a little NVH . I am just trialing FF semi semi solids on my gen2 these are new OE mounts filled with eurathane, my initial thoughts are similar NVH to semi solids but they may settle and bed in even the semi solids bed in a little over a few miles etc. if not I am thinking about the 993RS mounts as an option as I hear they have little or no NVH but need to see that for myself. Thumb at the end of the day dont dismiss just new OE mounts as they will be so much better than 15/16 yr old mounts. Grin


Hi Phil
Where did you get the FF semi semi from, did you have to import?


I did import them, but due to me having a different engine issue that the techs were strugling to diagnose they asked me to put the car back to a place prior a group of mods I did together which included the engine mounts . So for the next few thousand miles I have removed them even though they were not related to the issue I was having with the engine .I only did about 5 /10 miles with then on lol . So if your interested in a set I am happy to let these go as I wont be using them for a while and would rather someone use them than sit in my garage . they cost me just over £300 with shipping and import duty, happy to let them go for £200 plus £20 post if you will use them and post a review on here about them as that was my intention but just didnt do enough miles to properly evaluate them. Let me know if your interested Thumb Thumb

http://www.function-first.com/products/engine-trans/engine-mount-upgrade

https://rennlist.com/forums/996-forum/991851-semi-semi-solid-engine-mount-upgrade-from-function-first-for-your-996-a.html
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911 Owners,Some Invest In The Future,
Others Enjoy The Moment Today.
 
  
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maldren
Österreich


Joined: 07 Oct 2016
Posts: 890



PostPosted: Sun Apr 01, 2018 3:15 pm    Post subject: Reply with quote

EGTE wrote:
How big are the ones recommended?


Someone talked about 45mm from ebay and I've also seen 35mm mentioned. I suspect that they're fine as long as they cover a fair amount of the Porsche washers to support them if/when they flex.
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Mike
2003 996.2 C2 Coupe Arctic Silver
 
  
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maldren
Österreich


Joined: 07 Oct 2016
Posts: 890



PostPosted: Thu May 17, 2018 5:10 pm    Post subject: Reply with quote

I've replaced my mounts with RS mounts now and I've found the following:

I bought 30mm dia thick washers but they looked a bit small to support the large diameter of the curved washer that supports the rubber mount so I eventually went with 45mm. On fitting, I found the square hole in the engine mount is quite large so the larger washer is recommended for the 996.

The main bolts really do need to be 120mm long, perhaps the earlier 3.4 cars had shorter bolts? I bought the wrong bolts, 1.75 thread pitch rather than 1.5mm and 8.8 rather than 10.9 grade, I've ordered the correct bolts.

The nuts on the 12mm studs were very tight, after liberally dousing with releasing fluid, it still needed my 60cm bar on the socket and both nuts broke free with quite a crack. I thought the bolts had sheared but they were both ok. However the Porsche nuts are long and flanged so I reused them.
The standard Porsche mounts have a square locating point that fits the engine cross member, I did think about making up a square section to fill the space with a 12mm hole in it - another time perhaps?

The M8 bolts screw into captive nuts on the chassis, no nuts or washers are required. The Porsche bolts are flanged and I reused them as well.

My engine mounts seemed in quite good condition at 95k miles, after 15 years the main studs are no longer square in the mount but everything looked pretty solid.

All in all, it's a very straightforward job if you have the right bolts, when they arrive I'll find out whether there are any noticeable differences in the car.
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Mike
2003 996.2 C2 Coupe Arctic Silver
 
  
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maldren
Österreich


Joined: 07 Oct 2016
Posts: 890



PostPosted: Fri May 18, 2018 3:29 pm    Post subject: Reply with quote

The new bolts arrived today, 120mm really is only just long enough for a facelift car.

Been for a short drive and the gearshift seems much better, either the new mounts or the lubrication on the linkage!

The car definitely seems tauter but that is also affected by the new Michelin PS2s on the rear, I'm sure it rattles less at the rear and it doesn't seem any worse for NVH although I haven't been on the motorway yet.
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Mike
2003 996.2 C2 Coupe Arctic Silver
 
  
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Guywilko
Newbie


Joined: 04 Jul 2017
Posts: 34



PostPosted: Sat May 19, 2018 8:22 am    Post subject: Reply with quote

I just replaced my mounts with standard. Easy DIY with an impact gun and a long 18mm socket. Took 1 hour all in.

I fitted titanium nuts.
 
  
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Locosaki
Spa-Francorchamps


Joined: 03 Jul 2016
Posts: 292
Location: Fife


PostPosted: Wed May 23, 2018 7:02 pm    Post subject: Reply with quote

I’ve just fitted rennline mounts with the yellow inserts, definitely more vibration at idle but nothing drastic at all. My old mounts came away in 2 bits so they were done. Tailpipes have moved up a fair way so much so I’ve had to adjust them. Gear change is a lot better also but I did spray the linkage at the box at the same time.
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