Black Water Drain Leaks - Yuck!
My '87 Falcon has a leak at the black water discharge. I've used a hard brush to clean around the valve, but it didn't help. It's parked in my gravel driveway, so isn't a problem at home, but I pres...
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Don't lube the seals with a petroleum based lubricant like vaseline. It'll make the seals swell and cause the slide for the valve to be hard to pull. Use silicone grease available at Home Depot or Lowe's. Do not use plumber's grease.
