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Hooner
Silverstone


Joined: 03 May 2018
Posts: 137
Location: Co Antrim,NI


PostPosted: Thu Feb 21, 2019 4:48 pm    Post subject: RMS replacement Reply with quote

Whats the best new seal to buy,
A porsche one or is there a better aftermarket version ? Dont know
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sportsandclassic
Approved Trader


Joined: 21 Apr 2008
Posts: 258
Location: Nether Alderley Cheshire


PostPosted: Thu Feb 21, 2019 4:55 pm    Post subject: Reply with quote

Hi,


The Porsche seal is fine - in my experience its normally the IMS seal thats weeping not the RMS.

They modified the seal around 10-12 years ago.
They have just recently changed the part number to 0PB.105.249 not sure why as it looks the same...

You need the proper installation tool and don't touch the sealing surface with your fingers!

Mike
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Sports and Classic Ltd

Sports and Classic - Porsche Service & Maintenance
 
  
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Hooner
Silverstone


Joined: 03 May 2018
Posts: 137
Location: Co Antrim,NI


PostPosted: Thu Feb 21, 2019 5:51 pm    Post subject: Reply with quote

sportsandclassic wrote:
Hi,


The Porsche seal is fine - in my experience its normally the IMS seal thats weeping not the RMS.

They modified the seal around 10-12 years ago.
They have just recently changed the part number to 0PB.105.249 not sure why as it looks the same...

You need the proper installation tool and don't touch the sealing surface with your fingers!

Mike


Ok thanks Mike Thumb
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wasz
Sepang


Joined: 28 Dec 2012
Posts: 2916


1999 Porsche 996 Carrera 2

PostPosted: Fri Feb 22, 2019 10:36 am    Post subject: Reply with quote

I got my seal from EuroCarParts (via CP4L) very cheaply with discounts along with a sachs clutch and LUK DMS flywheel and all new bolts etc under £450.

It is an Elring seal marked 997.101.212.01 which was the latest part number at the time.

I borrowed a homemade tool from a member on here to draw it in evenly to the correct depth.

As above if you find its not leaking when you remove the flywheel, some say its best to leave it be.

Mine was weeping a little from the RMS but mainly from the IMS bearing cover which I re sealed after locking cams with a homemade tool and removing chain tensioners (which also got new seals).


Unless its actually dripping oil from the gearbox/engine join I wouldn't bother investigating, I was in for a clutch change anyway.
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My special order MY99 Vesuvious Charcoal 996 | Clutch, Fly RMS IMS AOS Job |
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sportsandclassic
Approved Trader


Joined: 21 Apr 2008
Posts: 258
Location: Nether Alderley Cheshire


PostPosted: Fri Feb 22, 2019 11:21 am    Post subject: Reply with quote

wasz wrote:
I got my seal from EuroCarParts (via CP4L) very cheaply with discounts along with a sachs clutch and LUK DMS flywheel and all new bolts etc under £450.

It is an Elring seal marked 997.101.212.01 which was the latest part number at the time.

I borrowed a homemade tool from a member on here to draw it in evenly to the correct depth.

As above if you find its not leaking when you remove the flywheel, some say its best to leave it be.

Mine was weeping a little from the RMS but mainly from the IMS bearing cover which I re sealed after locking cams with a homemade tool and removing chain tensioners (which also got new seals).


Unless its actually dripping oil from the gearbox/engine join I wouldn't bother investigating, I was in for a clutch change anyway.


As above if its in for a clutch then deal with it unless its dripping.

The IMS housing seal is normally the problem, even after the seal has been replaced we have seen these leak. We have for years now sealed the new seals into the engines and had zero issues.
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Hooner
Silverstone


Joined: 03 May 2018
Posts: 137
Location: Co Antrim,NI


PostPosted: Fri Feb 22, 2019 11:55 am    Post subject: Reply with quote

Cheers guys, i do think it is the ims seal thats leaking but i thought i would order a rms seal just incase so i have to one hand if it is needed.
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