repair/replace gray water dump valve on 1999 winnebago

[Change O Pace]

My gray water dump valve is hard to move and may be going bad. [1999 Winnebago Adventure 37G]. Has any one done their own replacement? The complete valve or just the blade assembly? Did you have to remove white panel in front of the valves? If so how did you remove the panel? Thanks for any help .Jim

[Change O Pace]

My gray water dump valve is hard to move and may be going bad. [1999 Winnebago Adventure 37G]. Has any one done their own replacement? The complete valve or just the blade assembly? Did you have to remove white panel in front of the valves? If so how did you remove the panel? Thanks for any help .Jim

[skigramp]

Jim

My previous unit was a '99 Adventurer ... my gray valve used to be hard to open and close ...

I sprayed the rod with WD-40 and moved it back and forth several times ... then I sprayed the rod with lithium spray grease ... it worked much better after that ...

I traded coaches in about a year so I have no basis to judge the long term "cure"

[DonGee]

As I recall on my '98 it was just a matter of taking off 4, bolts and the assembly came out. BE SURE TANKS ARE EMPTY.

Don, WIT 70041

[Ptribbey]

My coach has cable release sewer valves and they get stiff. My answer is to first clean the tank, and empty it. Then purchase a gallon of WD40 from Home Depot, or Lowes. Close the sewer valve of the tank you want to treat, and pour a cup to a cup and a half of WD40 into the tank and let it set for an hour or so. Then exercise the valve open and close and I think you will find the valve works like new. I find I have to repeat this process about every three months.

I will change out the valves down the road, but I find this is a quick fix that extends the life of the valves.

[Ben Ham]

I replaced my black tank valve about 3 years ago.
I have room to reach behind the white panel and feel my way to the upper bolts. Only problem was seating the gaskets on the new valve because I couldn't see the whole valve. Just be sure to tighten the bolts evenly, a few turns on each bolt until snug, then run some water in the tank and watch for leaks. Just takes patience to get it right.