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pietrzj
Monza


Joined: 19 Mar 2014
Posts: 224



PostPosted: Wed Oct 24, 2018 6:49 pm    Post subject: Loctite as well as a new gasket?? Reply with quote

Hi,

Located a new oil leak from my RHS Lower cam cover and have ordered a new gasket.

I was going to clean up the faces, install gasket and torque up to 9 or 10NM, but have seen some images of people adding loctite as well as the new gasket.

Any views on pros and cons?
 
  
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Endoman
Suzuka


Joined: 11 Apr 2011
Posts: 1188
Location: Bolton U.K.


PostPosted: Wed Oct 24, 2018 8:03 pm    Post subject: Reply with quote

Something I am considering as one of mine is still leaking after a new gasket and careful preparation and assembly (Rennline).
Lh is fine but rh is wet again and dripping on heat exchanger. I am not unique in this experience and can see no obvious problem in using an additional sealant.
Bloody frustatrating as is is not an easy job. In my case the oil is coming up the retaining bolts.
I did the chain covers with Loctite and they are dry.
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pietrzj
Monza


Joined: 19 Mar 2014
Posts: 224



PostPosted: Wed Oct 24, 2018 9:59 pm    Post subject: Reply with quote

I guess your cover is quite old then. I have read there are unreplacable rubber inserts with sleeves in the original plastic covers that the alan studs run through which can crack and seep after time.

I think mine is coming from the gadket rather than the bolts (hopefully). Not looking forward to doing the job if I find it could still leak from somewhere else on the seal so it might be belt and braces with the loctite.

Also worried that disturbing the cover may cause the sleeves to leak - but I am a bit of a worrier

nooo
 
  
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Endoman
Suzuka


Joined: 11 Apr 2011
Posts: 1188
Location: Bolton U.K.


PostPosted: Wed Oct 24, 2018 11:13 pm    Post subject: Reply with quote

I am using Solid Aluminium covers on the lowers from Rennline. If the original aluminium spacers come loose on the originals then, yes, the clamping force is lost.
Many say there is no need for the billet covers, replica and oe are available considerably cheaper. I must say I was dissappointed to find the billet covers still leak. I will try a little Loctite sealer around the base of the clamping setscrews next time but not on the gasket face. I was very careful to clean the mating surface and tighten evenly, progressively to the correct torque figures to no avail.
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infrasilver
Fast & Furious
Fast & Furious


Joined: 04 Oct 2010
Posts: 7911
Location: East Midlands

2001 Porsche 996 Targa

PostPosted: Thu Oct 25, 2018 12:51 am    Post subject: Reply with quote

I would always recommend a little to any mating faces known to leak but use it sparingly as seepage to the inner part of the engine can drop off if you use excessive amounts (when torqued it squeezes inwards) and can cause oil way blockages once they find their way around the internals.
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pietrzj
Monza


Joined: 19 Mar 2014
Posts: 224



PostPosted: Fri Oct 26, 2018 3:20 pm    Post subject: Reply with quote

Thanks,

I will give the two suspect areas around the alan studs close inspection when I remove it. Worst case is that I will need a new cam cover nooo
 
  
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993Type
Silverstone


Joined: 23 Oct 2012
Posts: 129



PostPosted: Sun Nov 04, 2018 9:26 pm    Post subject: Reply with quote

Endoman wrote:
I am using Solid Aluminium covers on the lowers from Rennline. If the original aluminium spacers come loose on the originals then, yes, the clamping force is lost.
Many say there is no need for the billet covers, replica and oe are available considerably cheaper. I must say I was dissappointed to find the billet covers still leak. I will try a little Loctite sealer around the base of the clamping setscrews next time but not on the gasket face. I was very careful to clean the mating surface and tighten evenly, progressively to the correct torque figures to no avail.


I've had this too sadly Endoman.
I spoke to unit 11 and they reckon some of the billet covers they have seen have the seal channel milled too deeply into the metal so seal is defeated. They suggest either skimming the billet to make the seal channel shallower or reverting to the OEM plastic covers.

It's annoying as I switched all the bolts and took great care on cleaning everything properly plus used the loctite, but still see weeping both sides. I might put the billet ones on the upper bank and buy new OEM for lower as I expect seal to be less of an issue if gravity is not working on them also.
 
  
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Cameltoe & Heel
Suzuka


Joined: 26 Jan 2009
Posts: 1204
Location: Preston - Lancs


PostPosted: Mon Nov 05, 2018 8:39 am    Post subject: Reply with quote

This is good stuff gents:



Trev
 
  
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