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Volvo Penta 8.1L exhaust riser elbow pipe plug

GAS engine, transmission and generator repair and maintenance discussion forum.
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Topic author United States of America
Cliffm
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Volvo Penta 8.1L exhaust riser elbow pipe plug

Postby Cliffm » October 13th, 2020, 12:57 pm

Question: accessing/checking internal exhaust cavity without removing elbow

On our factory OEM Volvo Penta 8.1L TBI exhaust elbow (no CAT) there is a pipe plug on the top, almost centered over the exhaust riser. Does removing this plug allow "swabbing" the exhaust cavity for moisture?

I don't want to "un-do" a pipe plug that accesses the raw water jacket area.

We had the port engine exhaust riser gaskets replaced last year, and would like to check the std engine.
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Topic author United States of America
Cliffm
First Mate
First Mate
Posts: 160
Joined: September 27th, 2018, 6:21 pm
Vessel Info: 2006 Carver 36 MY
"the Condo"
VP 8.1Gi-F
Location: Renton WA
Has thanked: 260 times
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Re: Volvo Penta 8.1L exhaust riser elbow pipe plug

Postby Cliffm » October 14th, 2020, 9:32 am

anyone remove this plug for inspections?
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Topic author United States of America
Cliffm
First Mate
First Mate
Posts: 160
Joined: September 27th, 2018, 6:21 pm
Vessel Info: 2006 Carver 36 MY
"the Condo"
VP 8.1Gi-F
Location: Renton WA
Has thanked: 260 times
Been thanked: 19 times

Re: Volvo Penta 8.1L exhaust riser elbow pipe plug

Postby Cliffm » November 3rd, 2020, 8:42 am

Searching on-line, I found video of removed VP exhaust elbow, which confirmed that 3/8 pipe plug on top does go to the exhaust cavity for swabbing the inside of passage for moisture/rust.

I'm going to try removing the one on my cracked elbow, as I have nothing to loose taking it out. That will let me know the issues accessing the others.
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DanM
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Re: Volvo Penta 8.1L exhaust riser elbow pipe plug

Postby DanM » November 5th, 2020, 5:23 pm

Following and Thanks
Dan

Carver 396
SugarSand Tango
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