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  1. 1994almeida

    Volvo Penta 5.7 GXi - Propeller selection

    Hello I would like to have help to selection the single propeller to be applied to 2007 Cobalt 232, 23´ 9” length, 4600 lbs weight, with Volvo Penta 5.7 GXi, 320 HP engine, and Drive SX-A 1:60. I bought the boat, and I don't know if the actual propeller Aluminiun,14.8 diameter x 17 pitch is the...
  2. 1994almeida

    5.0 GXi 2007 Metallic noise

    Hi Volvo Penta 5.0 GXi 2007 engine has this metallic noise at 1500 rpm. It is normal? The engine works fine without any bad symptoms. The noise is what concerns me. Thank you for your information.
  3. 1994almeida

    Adjust the serpentine belt slack

    Hi. 2007 5.0 GXi Volvo Penta engine. How to adjust the serpentine belt slack? Should the screw on the automatic tensioner be tightened clockwise or counterclockwise? According Seloc manual, tighten in a clockwise direction relieves the belt tension. On my engine it seems to be on the contrary...
  4. 1994almeida

    5.7 GXI-H engine. Alternator problem ?

    Volvo Penta 5.7 GXI-H engine. After the engine starts, the voltmeter starts to indicate 12.5 Volts and then the voltage starts to rise very slowly. If I accelerate the engine beyond 1100 rpm the alternator belt starts to squeak. Sounds like the alternator is stuck and making the belt squeal...
  5. 1994almeida

    5.0 GXi-G fuel pressure regulator

    Hello. On the VP 5.0 GXi-G engine, when the ignition is switched on, without starting the engine, the fuel pressure regulator gives these values. Are these values normal or a little high? I need to do something or not. Thanks
  6. 1994almeida

    VP 5.0 GXi-G spark plug corrosion

    Hello. This spark plug for cylinder #8 (front right cylinder) shows signs of corrosion. The other spark plugs are ok. Will I have a water inlet just for this cylinder? The exhaust manifolds are only 2 years old. What other situation can cause water to enter a cylinder? Thanks
  7. 1994almeida

    Volvo Penta 5.0 GXI-G Electric fuel pumps assy.

    Hello. Has anyone replaced the original set of electric fuel pumps assy, with pumps p/n 21608511 made in China that are for sale on ebay. Quality is reasonable? Thanks
  8. 1994almeida

    Engine idle rpm oscillations

    Hi Volvo Penta 5.0 gxi engine at idle has rpm oscillations. Will be the IAC valve?. where I can learn to locate, clean or replace this valve. Thanks
  9. 1994almeida

    Polishing or paint

    2007 boat and the gelcoat is very burnt. Two years ago I had a polishing done but it didn't last long. Is the best option a Polyurethane Paint or is it still possible to give this blue boat a good Polish? Thanks
  10. 1994almeida

    5.0 GXi Volvo Penta engine vibrates

    When I start the 2007 5.0 GXi Volvo Penta engine it vibrates and makes the steering actuator oscillate. However, if the engine is restarted immediately afterwards, it starts normally without any vibration. If I start the engine after 5 or 10 minutes it starts normally. However if I start the...
  11. 1994almeida

    Steering actuator vibration

    2007 VP 5.0 GXi engine. When starting the engine, the steering actuator sometimes vibrates. What could be the cause? Thanks.
  12. 1994almeida

    Seat. Fixing hardware

    In the seat of the 2007 Cobalt 232, the fixing hardware for the two cushions is fixed by rivets. I cannot move the top pad, even after using wd 40. This is normal? Instead of rivets, fixing should not be done by screws? Thank you so much
  13. 1994almeida

    Trim tilt & Trim question

    I have Volvo Penta 5.0 GI from 1999. The trim pum worked well yesterday when I trimmed it to run. After, when I tried to trim back up or down nothing happened. I had no clicking of relays and no trim motor at all. The 15 Amp fuse is ok and the relays doesn’t have corrosion. The boat is at the...
  14. 1994almeida

    Voltage drop

    On Volvo Penta 5.0 Gi from 1999, with the engine off, the battery terminals read 12.8 V, and the voltage at console instruments is 11.8 V. With the engine on, the battery terminals read 14.1 and the voltage at console instruments is 12.8. Is that normal or something is wrong? Thank you
  15. 1994almeida

    Flapper Exhaust Valve

    Hey guys, During the instalation of Exhaust Manifold and Risers on Volvo Penta 5.0 Gi 1999 I found the Flapper Exhaust Valve in this position. Is there any testing or maintenance to know if the valve is operational? Thank You
  16. 1994almeida

    Exhaust Manifold and Risers 5.0 Gi 1999

    I plan to replace Exhaust Manifold and Risers on Volvo Penta 5.0 Gi 1999. The replacement of the Mounting Bolts is very important, recommended, or is not necessary? What about the Barr Marine Manifolds, half price relatively the OEM (Volvo Penta Manifolds 2000 US $) ?. Thanks, Almeida
  17. 1994almeida

    5.0 GI - Removal of water pump sealing ring p/n 827247

    Engine 5.0 GI year 1999. During the sea water pump impeller removal, I plan to replace also the water pump sealing ring (827247) the item 5. What is the procedure to remove the sealing ring? Is necessary to remove the item 1 Thanks
  18. 1994almeida

    5.0 GI - exhaust manifold crack

    Due to excessive torque on the exhaust manifold drain, appears one crack on the manifold. There is only a small leak that disappears when the engine is hot (working with flushing, not in water). With seal on the drain I think the leak will stop. My concern is with the boat in water, more rpm...
  19. 1994almeida

    5.0 GI PWTR - SX-M Drive oil color

    Hi After drain the Synthetic Gearcase Lubricant (SX-M Drive) the oil color appears yellow / milk (Fig 1). I removed the Drive, that?s slide away easily, and found a small amount of water in the U-Joint Bellow. One week later the oil changes the color and appears a white residue. What?s this...
  20. 1994almeida

    Idle Air Control Valve problem

    I have the boat, now on trailer, with 1999 Volvo Penta 5,0 Gi (TBI), with SX drive. When I reduce the power quickly (from 1500 to 650 rpm) the Idle Air Control Valve is not quick enough to maintain the rpm, they drop under 650 rpm, and the engine dies. If I drop the power slowly, the engine runs...
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