Swapping Front Covers
06-07-10, 09:44 AM
#1
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Swapping Front Covers
I have an '86 GXL with a bad engine as well as two S5 engines, one that should be ready to run. I pulled the front cover off the S4 this weekend to get it cleaned up and got the S5 on the engine stand for the swap.
I have been planning on using RTV on the oil pan when I put the new front cover on, but can I use it instead of a gasket on the front cover face as well? Just wondering what the best way is to install the new front cover. Thanks.
I have been planning on using RTV on the oil pan when I put the new front cover on, but can I use it instead of a gasket on the front cover face as well? Just wondering what the best way is to install the new front cover. Thanks.
06-07-10, 12:47 PM
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You'll need the front cover gasket to help hold the oil passage o-ring in place.
http://mazdatrix.com/faq/oring.htm
http://mazdatrix.com/faq/oring.htm
Despite reading through that page, I am still a little confused. Since I am using a S5 engine with a S4 front cover, do I use the first recommendation that says to use the o-ring and silicone for a gasket and throw away the teflon ring?
06-08-10, 07:32 AM
#5
I remember reading this site but couldn't find it when I tried looking for it again. I think this is why I was thinking silicone to seal the front cover.
Despite reading through that page, I am still a little confused. Since I am using a S5 engine with a S4 front cover, do I use the first recommendation that says to use the o-ring and silicone for a gasket and throw away the teflon ring?
Despite reading through that page, I am still a little confused. Since I am using a S5 engine with a S4 front cover, do I use the first recommendation that says to use the o-ring and silicone for a gasket and throw away the teflon ring?
06-09-10, 09:26 AM
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06-10-10, 03:14 PM
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Look at your front iron. If the whole if big, then use the teflon washer. If it's a s4 iron, then just use the o-ring + rtv to hold it in place.
You do what is necessary for the block, not the front cover. S4 iron = no teflon S5 iron = teflon+o-ring. Never needed a front cover gasket for either year. Mainly s4.
You do what is necessary for the block, not the front cover. S4 iron = no teflon S5 iron = teflon+o-ring. Never needed a front cover gasket for either year. Mainly s4.
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