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'98 350 Mariner Pump Out
- grizer
- Scurvy Dog
- Posts: 35
- Joined: August 7th, 2018, 2:48 pm
- Vessel Info: 1998 Carver 350 Mariner
- Location: Port Clinton, OH
'98 350 Mariner Pump Out
- mjk1040
- Admiral
- Posts: 1523
- Joined: July 30th, 2015, 8:15 am
- Vessel Info: 1998 355 AC/MY "Deja Vu"
- Location: Savannah, NY
- Has thanked: 9 times
- Been thanked: 243 times
Re: '98 350 Mariner Pump Out

I'd Rather Be Boating!
1989 Sea Ray Seville
1986 Carver Mariner 32'
1990's Thompson 22' Cuddy Cabin
1990's 4Winns 245 Vista Cruiser
1980's Thompson 19' Open Bow
- bud37
- Admiral
- Posts: 4916
- Joined: April 23rd, 2015, 10:22 pm
- Has thanked: 583 times
- Been thanked: 1225 times
Re: '98 350 Mariner Pump Out
Edit.....to add, have a look at your holding tank to see if it is collapsed a bit....there should be tank saver valve in it that stops that if you have the vac flush toilet.

- amanphoto
- First Mate
- Posts: 181
- Joined: August 1st, 2016, 5:14 pm
- Vessel Info: carver mariner 350
- Location: Webster, NY
- Has thanked: 3 times
- Been thanked: 12 times
Re: '98 350 Mariner Pump Out
I have not issues with my 350 Mariner when we pump out. It empties fairly quickly. This brings into question, what your putting into the tank that might be clogging up the lines.
- grizer
- Scurvy Dog
- Posts: 35
- Joined: August 7th, 2018, 2:48 pm
- Vessel Info: 1998 Carver 350 Mariner
- Location: Port Clinton, OH
Re: '98 350 Mariner Pump Out
- mjk1040
- Admiral
- Posts: 1523
- Joined: July 30th, 2015, 8:15 am
- Vessel Info: 1998 355 AC/MY "Deja Vu"
- Location: Savannah, NY
- Has thanked: 9 times
- Been thanked: 243 times
Re: '98 350 Mariner Pump Out

I'd Rather Be Boating!
1989 Sea Ray Seville
1986 Carver Mariner 32'
1990's Thompson 22' Cuddy Cabin
1990's 4Winns 245 Vista Cruiser
1980's Thompson 19' Open Bow
- bud37
- Admiral
- Posts: 4916
- Joined: April 23rd, 2015, 10:22 pm
- Has thanked: 583 times
- Been thanked: 1225 times
Re: '98 350 Mariner Pump Out

https://carveryachts.blob.core.windows. ... ver_98.pdf

- amanphoto
- First Mate
- Posts: 181
- Joined: August 1st, 2016, 5:14 pm
- Vessel Info: carver mariner 350
- Location: Webster, NY
- Has thanked: 3 times
- Been thanked: 12 times
Re: '98 350 Mariner Pump Out
grizer wrote:Source of the post Interesting, where is the holding tank vent located on a 98 350?
On my 99 Carver 350, the holding tank vent is a silver vent similar to the fuel tank vent. It is located port side just behind the sink (about midship).
If you remove the dinning room table back seat cushion and unscrew the plastic panel adjacent to the sink you an see the vent line and check to see if it has a charcoal filter that may be clogged.
- mjk1040
- Admiral
- Posts: 1523
- Joined: July 30th, 2015, 8:15 am
- Vessel Info: 1998 355 AC/MY "Deja Vu"
- Location: Savannah, NY
- Has thanked: 9 times
- Been thanked: 243 times
Re: '98 350 Mariner Pump Out

I'd Rather Be Boating!
1989 Sea Ray Seville
1986 Carver Mariner 32'
1990's Thompson 22' Cuddy Cabin
1990's 4Winns 245 Vista Cruiser
1980's Thompson 19' Open Bow
- grizer
- Scurvy Dog
- Posts: 35
- Joined: August 7th, 2018, 2:48 pm
- Vessel Info: 1998 Carver 350 Mariner
- Location: Port Clinton, OH
Re: '98 350 Mariner Pump Out
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