TwinTurbo.NET: Nissan 300ZX forum - Are the OE recirs supposed to leak air on a leak test..
Subject
Are the OE recirs supposed to leak air on a leak test..
Posted by
Z-line
on January 07, 2025 at 3:25 PM
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Message
Doing a boost leak and smoke test at 5psi and I noted the weep holes leaking air. I hadn’t noticed it previously so, is this normal?
Follow Ups
Are the OE recirs supposed to leak air on a leak test.. -
Z-line
15:25:57 01/07/25
Don't think so, at least not enough to really hear it
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Polishzx
18:25:17 01/07/25
I can definitely hear it if I lean in, the cloud of smoke..
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Z-line
21:17:30 01/07/25
Nope. Do you have other recircs you can test? (n/m)
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vorpalZed
09:13:20 01/08/25
Fortunately, I do. I’ll be swapping them this week..
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Z-line
12:17:37 01/08/25
Leaking recirculation valves will result in a boost leak.
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cherry
11:32:01 01/08/25
Dumb follow-up questions ;-)
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ZXoltan
11:57:30 01/08/25
Mine was leaking from the weep hole, which I think
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cherry
13:48:02 01/08/25
Thanks. Makes sense.
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ZXoltan
14:01:27 01/08/25
The weep hole under the diaphragm can leak a tiny bit
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LitlElvis
20:40:08 01/08/25
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