1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

O rings for 83 rx 7

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Old 02-21-04, 06:22 AM
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O rings for 83 rx 7 ? help!

Mazdatrix sent me O rings for my 83 rx7 oil cooler
the ones I took off were 4 in total 2 hard plastic ones in which one cracked and 2 rubber ones. My question is they sent me 4 rubber O rings is that right? or should they of sent me 2 hard plastic ones and 2 rubber ones?

Last edited by rotarypower83; 02-21-04 at 06:30 AM.
Old 02-21-04, 06:40 AM
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I got 4 rubber ones too.

~T.J.
Old 02-21-04, 06:47 AM
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did it work?
have any leaks or problems?
Old 02-21-04, 06:55 AM
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I think the hard plastic one might have been rubber at one time. Rubber O rings harden up into something that looks like plastic over time.

Is that possible? I have never seen a plastic o Ring before. I seen flat plastic sealing rings.
Old 02-21-04, 07:04 AM
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I dont know if these where ever rubber
on one side of oil cooler bracket or whatever it is called
there are two rubber o rings which are clearly rubeer to where the other side has two plastic rings in which one cracked
according to mazdatrix they said I needed to put four new o rings on the oil cooler I got 4 rubber ones will thius work or do i have the wrong stuff and need to get these plastic rings?????????????
Old 02-21-04, 07:27 AM
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Originally posted by KehoeAutomotive
I think the hard plastic one might have been rubber at one time. Rubber O rings harden up into something that looks like plastic over time.
What he said.
Old 02-21-04, 07:29 PM
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All 4 were orginally o-rings.

Personally I would do a GSL-SE oil cooler swap. The weak 12a 83-85 oil cooler is the major contributor to dowel pin oil leaks. Second of course is not changing your oil regularly.

Or do the '79-82 oil cooler radiator swap either one is much better way to keep your oil temperature lower.

John
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