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<blockquote data-quote="Guest" data-source="post: 2479323" data-attributes="member: 227074">I don&#039;t think a &quot;vented&quot; pvc clean-out cap is made for the exact reason that you want one.&nbsp; It is not normal to vent a sewer line at ground level in your yard for obvious reasons.&nbsp; You could drill holes in the existing cap for a temporary measure but there are negatives associated with that solution also.&nbsp; The cap in addition to containing the sewer gas and providing access also keeps the cold air from entering the sewer, cold air falls.&nbsp; If the sewer froze last winter I wouldn&#039;t want to do anything to encourage it this winter.&nbsp; Leave the cap as is.&nbsp; Also, you do not want to raise the top to a position higher than your inside fixtures.&nbsp; If the top of the clean-out is higher and should the line plug again, the sewer effluent will back up into the area the cracked pipe and now you have effluent under your house along with the smell.If the sewer pipe is just cracked, a tight crack, it is hard to believe the sewer gas is coming out the crack and not your house&#039;s vent pipe.&nbsp; It&#039;s not what you may want to do but if you can get to the cracked pipe why not try duct taping the crack as a temporary fix until you can cut out and replace the drain through the wall.&nbsp; You also may want to mortar the pipe joint at the wall, especially if it is a concrete foundation wall to assist in stopping the gas.&nbsp; If it is a blockwall, you may drill a small hole in the block directly under the cracked pipe and filling the cell with a expanding foam insulation to reduce the size of the wall void before you mortar the inside.&nbsp; If you have a large crack in the pipe you may wrap the pipe with a thin sheet metal bedded in a asphaltic mastic and topped with a number of layers of duct tape.Bet you can&#039;t wait to dig down on the outside and push a new piece of pipe inside for connection.&nbsp; The real fix will be a lot simpler than most all of the temporary 1/2 fast solutions.&nbsp; Good Luck</blockquote>

[QUOTE="Guest, post: 2479323, member: 227074"] I don't think a "vented" pvc clean-out cap is made for the exact reason that you want one. It is not normal to vent a sewer line at ground level in your yard for obvious reasons. You could drill holes in the existing cap for a temporary measure but there are negatives associated with that solution also. The cap in addition to containing the sewer gas and providing access also keeps the cold air from entering the sewer, cold air falls. If the sewer froze last winter I wouldn't want to do anything to encourage it this winter. Leave the cap as is. Also, you do not want to raise the top to a position higher than your inside fixtures. If the top of the clean-out is higher and should the line plug again, the sewer effluent will back up into the area the cracked pipe and now you have effluent under your house along with the smell. If the sewer pipe is just cracked, a tight crack, it is hard to believe the sewer gas is coming out the crack and not your house's vent pipe. It's not what you may want to do but if you can get to the cracked pipe why not try duct taping the crack as a temporary fix until you can cut out and replace the drain through the wall. You also may want to mortar the pipe joint at the wall, especially if it is a concrete foundation wall to assist in stopping the gas. If it is a blockwall, you may drill a small hole in the block directly under the cracked pipe and filling the cell with a expanding foam insulation to reduce the size of the wall void before you mortar the inside. If you have a large crack in the pipe you may wrap the pipe with a thin sheet metal bedded in a asphaltic mastic and topped with a number of layers of duct tape. Bet you can't wait to dig down on the outside and push a new piece of pipe inside for connection. The real fix will be a lot simpler than most all of the temporary 1/2 fast solutions. Good Luck [/QUOTE]

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