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Hi
I have a Volvo Penta 2003 which was installed in my Ericson 36 in 1986. I believe she had a rebuild in 2000 (bearings, pistons) and I bought the boat in 2004 and have since put maybe 3000 hours on the engine as I have been sailing (and motor sailing!) around the world.
When I started out the oil pressure was around 45psi but seemed to drop down to around 30-35 soon after I left on the trip. That pretty much stayed the same for the next three years but recently, here in Greece, the engine will start up at around 30-33 but will fall to 15 after about 4-5 hours of running time - that worries me.
The oil level is fine. I change the oil every 75 hours of running time. I was using SAE 40 and I am now trying 20/50 - no change. The engine temp is normal and I can't see any performance changes. The guage seems to work alright and there is no diesel in the oil.
Does anyone have an opinion on what might be wrong? - Worn bearings? Oil pump? Is there a pressure relief valve on a Volvo penta 2003?
Thanks a lot for your thoughts, Ian
Hi
I have a Volvo Penta 2003 which was installed in my Ericson 36 in 1986. I believe she had a rebuild in 2000 (bearings, pistons) and I bought the boat in 2004 and have since put maybe 3000 hours on the engine as I have been sailing (and motor sailing!) around the world.
When I started out the oil pressure was around 45psi but seemed to drop down to around 30-35 soon after I left on the trip. That pretty much stayed the same for the next three years but recently, here in Greece, the engine will start up at around 30-33 but will fall to 15 after about 4-5 hours of running time - that worries me.
The oil level is fine. I change the oil every 75 hours of running time. I was using SAE 40 and I am now trying 20/50 - no change. The engine temp is normal and I can't see any performance changes. The guage seems to work alright and there is no diesel in the oil.
Does anyone have an opinion on what might be wrong? - Worn bearings? Oil pump? Is there a pressure relief valve on a Volvo penta 2003?
Thanks a lot for your thoughts, Ian
