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    5.7 GXI-HF making "whistling" noise

    So my engine (or drive?) has developed this high-pitched whistle-like noise. I've done some online research and a lot of posts and videos suggest the fuel pump might be the culprit. My pump has been whining for years, but the pitch is more or less constant, eventually drowned out by engine noise...
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    VP 5.7GXi-HF fuel pressure

    Having recently cleaned the fuel injectors (and changed the o-rings), I was testing today to inspect for leaks. I hooked up a gauge to the high-pressure side on the fuel rail and turned the key to the on position without starting the engine. The pressure jumped instantly to the expected 50psi...
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    Flushing raw water side of 5.7GXi-HF

    I want to flush the raw water side of my 2007 5.7GXi-HF with Rydlyme or something similar. The drive is a DP-SM. In order to do this, I had the idea of removing the lower unit, connect one end of a hose to the threaded fitting on the the gimbal housing and the other end to a ciculating pump...
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    Seeking advice regarding Volvo Penta 5.7GXi-HF fuel pump whine

    I know, another fuel pump whine question... Engine serial is 4012221122, it's a 5.7GXi-H converted to fresh water cooling. A little background info: I've had what I perceive as a whining noise from the fuel cell for the last two seasons. Not having heard other fuel pumps I'm not sure how much...
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    VP DP-SM drain screw leaking

    I have a small leak from the drain screw after changing the gear oil a few weeks ago. I'm pretty sure I have the right o-ring (part number 955981) and I also ordered a new drain screw and set of o-rings. Same problem. Tightened screw to spec according to workshop manual. Any ideas? I also...
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    Neutra-Salt: Connect to power steering cooler?

    I have a VP 5.7GXi-HF, serial 4012221122. Going to install a Neutra-Salt system. On the power steering cooler, there is a spare port which is blinded. Does anyone know if this port tees into the raw water cooling or the power steering fluid?
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    5.7 GXi-HF pressure in power steering reservoir

    Every time I check the power steering fluid level there is a hiss when opening the filler cap/dipstick. Is the power steering reservoir supposed to be pressurised like this with the engine off (sometimes for days)? A bit of background info: Last season I opened the engine compartment, only to...
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    Trim sender: 2-wire or 3-wire?

    VP SX-M transom assembly (serial no 4151128936, prod no 3869341). Drive is a DP-SM, engine is a 5.7GXi-HF My trim gauge is intermittently displaying 56 and sounding a warning. I'm still able to tilt the drive up and down, engine starts regardless. This usually happens as I turn the key (before...
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