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Type of sealant to use on timing cover when doing head gaske 

 

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 Post subject: Type of sealant to use on timing cover when doing head gaske
Posted: Tue Nov 08, 2011 4:03 pm 
Getting Side Ways
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Just want to know what sealant is best to use on the front of the head (on top of the timing case) and how much or how little to use.

I have been told to run a bead under the seal and on top of the seal and just let it go over and under the head gasket by about 5mm either way.

this correct?

thanks.

 

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 Post subject: Re: Type of sealant to use on timing cover when doing head gaske
Posted: Tue Nov 08, 2011 4:24 pm 
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Throw the seal in the bin. Go to toyota and buy a tube of black engine sealer.
Put a big enough bead on to fill the gap.

 

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 Post subject: Re: Type of sealant to use on timing cover when doing head gaske
Posted: Tue Nov 08, 2011 4:51 pm 
Fordmods Junkie
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When I did my head gasket, I used Permatex Red (Link) for that particular area. I also used it on the rocker cover. I found I can also make my own gasket using gasket maker by just making a thick bead, let it sit for a bit to touch dry (but no completely dry) and then assembling the components together for a good seal.

Not sure if the Permatex Black (Link) is an equivalent to tickford_6's suggestion from Toyota.

 

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 Post subject: Re: Type of sealant to use on timing cover when doing head gaske
Posted: Tue Nov 08, 2011 4:56 pm 
Getting Side Ways
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i used the blue loctite silicon, i put it on top of the seal and hasn't leaked

 

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 Post subject: Re: Type of sealant to use on timing cover when doing head gaske
Posted: Tue Nov 08, 2011 6:34 pm 
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That toyota stuff is made by ThreeBond and they make better stuff than permatex imho, and I love permatex products. ThreeBond isn't publicly popular but it is with oem's. Harley's another one I think. Toyota stopped selling sump gaskets for most of their 4wd's in the 90's and supplied a tube of that sealant instead, works fantastic.

Most oil problems come down to a dab of silicone in the right place, as opposed to a caulking tube full of the most expensive stuff you can buy.

 

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 Post subject: Re: Type of sealant to use on timing cover when doing head gaske
Posted: Tue Nov 08, 2011 6:50 pm 
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Sikaflex?

 

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 Post subject: Re: Type of sealant to use on timing cover when doing head gaske
Posted: Tue Nov 08, 2011 6:56 pm 
Stock as a Rock
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Threebond is the stuff to use. Brilliant stuff any good motorbike shop will have a tube put it over and under the gasket and leading on to the head gasket as you say i done this and no leaks :wink:
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 Post subject: Re: Type of sealant to use on timing cover when doing head gaske
Posted: Fri Nov 11, 2011 1:35 pm 
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I just used black gasket maker, threebond I think.

Under the seal an on top of the seal, an in the corners. Had no issues.
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 Post subject: Re: Type of sealant to use on timing cover when doing head gaske
Posted: Mon Nov 14, 2011 1:29 pm 
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toyoa black and loctite blue are the only gasket sealants i would reccomend useing, they actually work, and when they say oil and chem resistant they mean it, i couldnt tell you the amount of times ive replaced the tappercover gaskets on the datsun and it leaked with tht seallys instant gasket but when i used loctite blue it never leaked, i allways keep a few tubes in the old broken fridge, and a tube in the car, it's allso good for sealing up leaky fittings when you change radiator hoses. :D
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 Post subject: Re: Type of sealant to use on timing cover when doing head gaske
Posted: Tue Nov 15, 2011 1:30 pm 
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used to use blue now i only use loctite copper no leaks worth the extra 3bucks imo
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