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Join Date: Feb 2018
Posts: 1
1999 Boxster - hissing behind driver seat

Wasn't there until recently as I had my convertible top repaired. Sounds like a hissing noise behind the driver seat that runs in parallel with the rpm's. Its louder at lower rpm's cause the engine in generally quieter. Noise could be a normal noise and perhaps the engine compartment was just better sealed before this last repair? Almost sounds like a small piece of plastic is running against something spinning the same speed as the engine. Distant hiss sound, maybe distant spraying sound. Very distant, but definitely wasn't there before and is definitely right over the drivers side left shoulder. Any thoughts?
Old 02-16-2018, 05:53 AM
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JFP in PA's Avatar
Join Date: Aug 2010
Location: Earth.............
Posts: 2,068
I 'd start by looking at the serpentine belt and pulleys.................
Accrochez-vous bien de vos rÍves..........."
Old 02-16-2018, 06:26 AM
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boxster , hiss , noise , porsche , weird

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