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Old 04-05-2015, 02:03 PM   #7
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Quote:
Originally Posted by redeye280z View Post
I ordered a new cap but today I went for a ride and noticed that when the pressure builds up in the expansion tank I can hear a hissing sound right near the bleeder valve and the hole for the overflow. When I used the airlift my tank was fine there were no leaks. I am confused. I doubt a bad cap would cause this leak near the bleeder valve.
Either the bleeder itself or the O-rings that seal it may be bad. Did you use an OEM tanks or an aftermarket?
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