Thread: Random tapping
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  #35   IP: 207.118.20.35
Old 09-27-2019, 11:02 AM
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If a compression test shows good compression in #4, this may only be an exhaust gasket, not a head gasket. Caulking is unlikely to work, but a new exhaust gasket is not that hard to do. Your second video shows more bubbles in that area. I may have a similar issue. Lately my CO detector alarm goes off sometimes. I will have to look into that area.
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