Black roof vent intentionally plugged
I recently picked up a used 2007 Nash TT and have noticed a strong black tank odor immediately after towing it. Today I removed the existing roof top vent to install a swivel vent and discovered the b...
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Some prank. My guess would be someone plugged it while working either on ithe vent or on the roof itself, and just forgot about it. Lucky you found it that easy.
