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    Penta 3.0 GS overheating, U-Shaped hose pressure.

    Hi All, Thank you All for your replies and help. My overheating issue has now been resolved. I contacted an experienced mechanic that is familiar with this engine and serviced my boat before I owned it and he pointed me to the correct resolution. He remembered a Volvo Service Bulletin for this...
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    Penta 3.0 GS overheating, U-Shaped hose pressure.

    First off, "Thank You" Alldodge for the quick reply and for the info. Very much appreciated! I picked up the braided clear tube, barbed coupler, and hose clamps from the hardware store. Unfortunately, I have not had a chance to install them and test the boat yet. I will post an update as soon as...
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    Penta 3.0 GS overheating, U-Shaped hose pressure.

    Thank you alldodge. It is a Penta SX-C Part No. 3868391
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    Penta 3.0 GS overheating, U-Shaped hose pressure.

    Thank you alldodge for your help and for the info. I will try the clear tube to check for air bubbles. How do I go about checking the intake hose fitting? Do I need to pull the outdrive? What is involved in replacing it if corroded? Thank you, I appreciate your help.
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    Volvo penta 3.0GS high water pressure in U-shaped water hose

    Hello All, I’m new to the forums. I have the same issue with a Penta 3.0 GS. Manifold vey hot, high pressure in the hose between the stat and the circulation pump, riser always warm to the touch. What was the fix to this posted issue? Any help is very much appreciated. Thank you
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    Penta 3.0 GS overheating, U-Shaped hose pressure.

    Hello All, I am new to this forum. Great info. I have a 97 Volvo Penta 3.0 GS. Overheating, gauge over 200F when on plane @ 3500RPM. High pressure in the U-shaped hose between stat housing and circulation pump, NO pressure in the hose from stat housing to manifold. Overheating when on plane @...
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    3.0L Volvo Penta GS Cooling Questions

    Hello All, I am new to this. Please help. I have a 97 Volvo Penta 3.0 GS. I have the same issue, and was wondering if the posted issue was resolved, and what was the fix? Good pressure on the hose from stat housing to circulation pump, no pressure on the hose from stat housing to manifold...
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