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Cosworth 4x4 sump sealant which one ?

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Old 25-01-2005, 10:43 PM
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Turbo lag
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Default Cosworth 4x4 sump sealant which one ?

Hi tried to put my sump on tonight but the red hermetight stuff seems really thin!
the stuff that ford put on the sump was like black rubber, what is it called and is it a Ford product only ?

help or my engine stays like this

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Old 25-01-2005, 10:45 PM
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dave cos4x4
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you want to get the surface rust off it Dave.



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Old 25-01-2005, 10:48 PM
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thats the red hermitight stuff its bloody hard to get off

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Old 25-01-2005, 10:49 PM
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Go and buy some Loctite Blacktite.

And get that Hermeshite off the Rear Main cap
Old 25-01-2005, 10:50 PM
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seen the tube of it on the floor.

empty. lol.




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Old 25-01-2005, 10:53 PM
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The locktight black stuff can you use it on all the gaskets ie the cam cover ?

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Old 25-01-2005, 10:56 PM
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You generally dont use sealant on any gaskets Dave, thats why you have a gasket
Old 25-01-2005, 10:59 PM
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so the black stuff is sump only ?
Old 25-01-2005, 11:02 PM
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You only need a surface sealant where you have metal to metal joints or some surface imperfection you cannot remove. Your YB should just need it on the sump. Dont be tempted to smear other gaskets with it unless its on joining faces, IE where gasket meets gasket or seal.

And make sure the rear cap is sealed properly or she will piss oil into the bellhousing.... at best
Old 25-01-2005, 11:04 PM
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As Stu has said in general use of silicone sealant is not required where a gasket is to be used! Cam covers should need nothing else other than a new paper gasket from Ford or a cometic type.
Old 25-01-2005, 11:08 PM
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Thanks for that everybody
Old 25-01-2005, 11:08 PM
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Cam covers should need nothing else other than a new paper gasket from Ford or a cometic type.

Sealent on the half moons though,in the corners.



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Old 25-01-2005, 11:10 PM
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Originally Posted by dave cos4x4
Cam covers should need nothing else other than a new paper gasket from Ford or a cometic type.

Sealent on the half moons though,in the corners.



Dave.

Yep sorry i always presume people know that
Old 25-01-2005, 11:15 PM
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Yep sorry i always presume people know that

Not everyone.







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Old 26-01-2005, 12:24 PM
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but do you use blue or red or black sealant

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Old 26-01-2005, 12:40 PM
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i used the blue on the half moons on rocker cover, with cometic gasket

for sum i used genuine ford stuff man that's sticky shit
Old 26-01-2005, 06:30 PM
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I used blue Hermatite as the red went brittle when in contact with the oil on my cam cover half moons , didnt know there was black, cheeRs Stu
Old 26-01-2005, 07:05 PM
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there are way more sealants than you will ever know about , and the colour means shit !!

diff manufacturers use diff dye colurs for diff types,

and whilst were talkin about silicone, certain types dont work with oil ! beware !!
Old 26-01-2005, 07:07 PM
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and generally speaking the likes of hermatite, hylomar , general 'car superstore' products are crap
Old 26-01-2005, 08:12 PM
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Chris Honeywell
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Why does'nt the 4wd have a sump gasket but the 2wd one has a cork type???
any reason??
Old 26-01-2005, 09:02 PM
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Toyota black.....its even better than the loctite stuff, and not by a little bit

A bit spendy, but you get what you pay for
Old 26-01-2005, 09:30 PM
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Chris Honeywell,
Why does'nt the 4wd have a sump gasket but the 2wd one has a cork type???

because the diff is fastened to the sump , and the forces of the diff under power would simply move the cork gasket resluting in oil leaks !!

EscortWRC,
Toyota black
i always use a nissan sealant , its £35 a tube !!
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