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Coolant Hose 2QM15 #17650
02/02/18 09:46 AM
02/02/18 09:46 AM
Joined: Jan 2017
Posts: 34
Lincoln, NE
jheinzle Offline OP
Senior Member
jheinzle  Offline OP
Senior Member
Joined: Jan 2017
Posts: 34
Lincoln, NE
Please check the attached photo.

I can't seem to find this hose in any of the Yanmar drawings. Does anyone have a part number for it?
[Linked Image]

Attached Files
2qm15 hose.JPG [53.45 KBytes] - (1036 downloads)
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Re: Coolant Hose 2QM15 [Re: jheinzle] #17653
02/02/18 09:13 PM
02/02/18 09:13 PM
Joined: May 2017
Posts: 11
Seattle, WA
N
NightOwl Offline
Member
NightOwl  Offline
Member
N
Joined: May 2017
Posts: 11
Seattle, WA
I think it is Pc 104564-49210. I have a PDF parts catalog and will try to post it to the board.

Re: Coolant Hose 2QM15 [Re: jheinzle] #17654
02/02/18 09:16 PM
02/02/18 09:16 PM
Joined: May 2017
Posts: 11
Seattle, WA
N
NightOwl Offline
Member
NightOwl  Offline
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N
Joined: May 2017
Posts: 11
Seattle, WA
When I replaced the mixing elbow on my boat I found I had a problem with the existing coolant hose (it leaked at the ends). I simply replaced it with a section of cooling hose I had available on the boat. It works just fine so far.

Last edited by NightOwl; 02/02/18 09:28 PM.
Re: Coolant Hose 2QM15 [Re: NightOwl] #17662
02/03/18 02:12 PM
02/03/18 02:12 PM
Joined: Jan 2017
Posts: 34
Lincoln, NE
jheinzle Offline OP
Senior Member
jheinzle  Offline OP
Senior Member
Joined: Jan 2017
Posts: 34
Lincoln, NE
@nightowl-- i tried replacing with regular coolant hose but it can't make the bend with out kinking. Water still gets through- the temp gauge is not indicating too hot-- but the reduced flow concerns me.

Re: Coolant Hose 2QM15 [Re: jheinzle] #17663
02/03/18 04:14 PM
02/03/18 04:14 PM
Joined: May 2017
Posts: 11
Seattle, WA
N
NightOwl Offline
Member
NightOwl  Offline
Member
N
Joined: May 2017
Posts: 11
Seattle, WA
Try that part number I posted. One of the Yanmar dealers nearby can order it.

On mine i was able to get a fairly straight shot to the elbow, but it could still be better. I will try to find a better solution that won't risk collapse. Or I could try to get a replacement from Tacoma Diesel.

Re: Coolant Hose 2QM15 [Re: jheinzle] #17666
02/03/18 08:42 PM
02/03/18 08:42 PM
Joined: May 2007
Posts: 2,668
Portsmouth, RI
Rhapsody #348 Online content
Past J/30 Class President
Rhapsody #348  Online Content
Past J/30 Class President
Joined: May 2007
Posts: 2,668
Portsmouth, RI
You can also get reinforced heater hose that won't kink.

Defender link

[Linked Image]


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