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Old 04-03-2015, 07:06 PM   #1
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Default Leaking cas

I noticed my cas was leaking when I changed my timing belt. So I replaced that o ring with the one that came in the timing belt kit from fm. Install went fine no problems at all. Drove a couple 100 miles, checked and still oil on the bottom of the cas. I then got one of the fancy ones from miata roadster. Another couple hundred miles and it seems like that one is leaking too! What the hell is going on?
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Old 04-03-2015, 07:22 PM   #2
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Perhaps you are boosting the crankcase and it's blowing past the cas o-ring?
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Old 04-03-2015, 07:48 PM   #3
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Check your PCV valve.
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Old 04-03-2015, 08:28 PM   #4
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I hope not! I have the gtx pcv and a check valve.
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Old 04-09-2015, 12:11 AM   #5
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I managed to trash 2 CAS O-rings by installing it ham handed. It could be that you've just borked the install?
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Old 04-10-2015, 12:58 AM   #6
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It's safer to remove the valve cover and loosen the CAS cap bolts.
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