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    Volvo Penta SX-M Trim Cylinder leak

    I took apart both of my trim cylinders, cleaned thoroughly, and replaced all of the seals with a rebuild kit. All of the parts looked to be in good shape, maybe a little pitting on one of the ram caps. When I put it all back together and tested it I am still getting a leak at the port side...
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    Help me be the hero :-), Mercury 4.3 – no spark

    Thank you for the responses folks, much appreciated. We left the lake yesterday, mechanic still had not come out. Will try to post the results if I get some feedback from the repair. Lesson learned for future years - Bring a few basic testing tools (test light, multi-meter, etc.) with me to the...
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    Help me be the hero :-), Mercury 4.3 – no spark

    Thanks for the feedback, not much luck rigging up a test light. Are there any other "low hanging fruit" items I can check with limited tools?
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    Help me be the hero :-), Mercury 4.3 – no spark

    2004 Mercury Mercruiser 4.3 Thunderbolt V Ignition (model: MCM 4.3 Litre) We are at the lake for the week, took the boat out yesterday, 5 or 6th trip this season all previous with no issues. On the trip yesterday it sputtered and died, could not restart, nice neighbor towed us back to dock...
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    Fuel tank filling, possible vent line issues

    2004 Rinker Fiesta Vee 250, Mercruiser 350 MAG : Currently on a two week cruise of the Hudson River and Lake Champlain. Filled the gas tank a few times the first few days without issue, but the last two fills there has been an issue. It appears that the “vent line” is becoming blocked and...
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    Electrical issue continues

    I started off the season without any issues, but shortly after launching my trim pump would not operate (just a clicking sound). I cleaned all of the electrical connections around the trim pump and it would come and go after that (sometimes it works, other times nothing, just a click). All other...
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    Replace trim pump wiring harness

    Been having intermittent power issues with my trim pump recently. Most likely being caused by excessive corrosion in one (or both) of the relay receptacles, possibly other places in the harness. Looks like the replacement part number for the entire harness is 3857345. Any advice or tips on...
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    Trim pump not working, clicking noise, VP SX-M

    We have a 1999 FourWinns 190 Horizon, 4.3GL PWTR VP engine, SX-M outdrive. Last year the trim pump was not working, I replaced both relays and it worked without any additional issues all season. This year I had no issues raising and lowering the drive while it was on the trailer, but it stopped...
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    Volvo Penta SX-M drive, zerk gimbal grease fitting broke off

    Was almost done getting the boat ready to put in the water this season, went to grease the gimbal bearing on the starboard side of the drive, usually hook up a grease gun and give it 10-15 pumps. This year noticed that the zerk fitting is damaged (see photo). It looks like it was severed off...
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    4.3GL still overheating after multiple cooling system part replacements

    Volvo Penta 4.3GL PWTR, 1999, 190 HP Looking for any advice on what to try next. We replaced multiple components of the cooling system recently, but the engine is still overheating slightly. Don?t have a digital thermostat, but if the temperature gauge on the dash is broken into 1/8?s and...
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    Tap bolt hole for thermostat housing in intake manifold

    1999 VP 4.3 GL 190HP Last week I removed the thermostat housing and replaced the thermostat. As I was re-installing the thermostat housing I noticed that the hole for the starboard side bolt had become stripped (and possibly corroded), see yellow arrow on the attached diagram. A previous...
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    Difficulty starting after multiple recent repairs, but runs well after starting

    We have a 1999 FourWinns 190 Horizon, 4.3GL PWTR VP engine. We had several repairs done to the engine in the past two years. The most extensive repair was when the engine was removed, rebuilt, and re-installed due to a head gasket failure two seasons ago. The engine performed ok for a few months...
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    Volvo Penta 4.3GL 1999 ? Difficulty starting after hydrolock repair

    My starter/electrical issue turned out to be hydrolock according to the mechanic. He replaced both manifolds and sea-tested. I have it back at my dock and it has had a few ?difficult? times starting. Sometimes it will turn over easily, other times it seems like the starter is having a hard time...
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    Starter spinning fast but not engaging ? 4.3GL

    Volvo Penta 1999 4.3GL PWTR We replaced the starter a few weeks ago and the boat was starting great except for this unresolved issue (see link below). I went out last night and it appeared the battery was dead due to the bilge pump running from recent storms so I hooked it up to a...
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    Electrical/ignition system ?trips? and electrical system goes dead

    We have a 1999 FourWinns 190 Horizon, 4.3GL PWTR VP engine. We had several repairs done to the engine in the past year. The engine was removed, rebuilt, and re-installed due to a head gasket failure. We are mostly past the mechanical issues, but an electrical issue has recently presented itself...
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    Water in engine, 1999 4.3GL

    Set out last weekend for a long trip on the Chesapeake Bay. About halfway through the trip experienced a loss of power from the engine. Was able to limp back to the dock at low speed. Hauled the boat out of the water and now have it on the trailer in the driveway. The engine oil changed to a...
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    Water in engine!!!! Hydrolock

    1999 Volvo Penta, 4.3GL PWTR I thought it was a starter problem. Called a mechanic, he said to pull one of the spark plugs and see if there was evidence of water. I pulled one of the plugs and water came gushing out! I have been banging my head against the wall since then! I always intended to...
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    Volvo Penta 1999 4.3GL, Continued starter issues

    A short history: 1) Original VP starter ? Began having ignition issues two seasons ago. Replaced the original starter, but the issue was most likely the relay. The original starter solenoid connections were badly corroded and damaged while removing. 2) First non-VP starter ? Worked great until...
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    Redo wiring for bilge pump and float switch

    I have been having problems with my bilge pump float switch the past few seasons. See attached photo of the wiring mess at the connector (well above any water in the bilge). A mechanic did some work on it several seasons ago and stated that he was dealing with some very corroded wires. I...
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    Replace starter 1999 4.3GL and electrical splice in bilge

    I have been having several electrical problems with my 1999 Volvo Penta 4.3GL over the past two seasons. I replaced the starter and relay last season and it worked fine for about three months. Then it started having ignition issues again. I am getting it ready for this season and I have been...
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