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  1. Z

    New exhaust manifold advice

    I have a 2012 Volvo Penta 8.1 GiC-Q 400HP catalyzed engine. My manifolds are coming to the end of their life. The parts for the manifolds alone is over $4000 per side. That doesn't account for the elbow or anything else on exaust side. The manifolds are impossible to find so I am looking for a...
  2. Z

    Spray of water from exhaust manifold above O2 sensor

    I have a 2012 Volvo Penta 8.1 GXCi-Q with the O2 sensors. There is a small spray of water coming from above the O2 sensor on the port side. Any ideas what the problem could be? I have attached a video in the picture. I appreciate any help.
  3. Z

    Leak from transome

    I have a 2012 Cobalt 276 with a Volvo dpsb outdrive. I am getting a substantial leak coming from what appears to be below the y exhaust port. I have attached a picture but also have video of the leak if that helps. Do you think this needs a transom seal? Is there a temporary fix for this? I am...
  4. Z

    Engine problems while on vacation

    I have a 2012 VP 8.1. We have had all kind of problems on vacation. I had a lack of power and check engine lights. I could not find a mechanic within 200 miles that could read the codes. I ordered a Rinda code reader and received it today. We found yesterday that 2 injectors were mostly clogged...
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    2012 8.1 #6 cylinder missing

    While my family was on vacation, I started feeling a mis. I could feel a shake at 1000-1200 rpms. I took the boat to a Volvo Certified mechanic. He hooked it up to a computer and said that #6 cylinder was missing. He swapped spark plugs and that had no effect. He checked for spark and said there...
  6. Z

    Removal of broken head bolt

    Is there an easy way to remove a broken head bolt on a 2012 VP 8.1? This is a one of the head bolts above the exaust port. I noticed water leaking from behind the exaust manifold and found that one the head bolts broke off. The water was coming from behind the bolt head. Is there any shortcut to...
  7. Z

    Stupid mistake: Can it be fixed?

    I was storing my older boat outside in the trailer for about 2 months. I went to get into it today and i realized i had not removed the plug and i had turned the batteries off. The water in the engine compartment was just above the bottom of the alternator. i looked at the oil and it is milky...
  8. Z

    New to me Colbalt, Overheating only while pulling tube or ski

    I have a new to me 2012 Cobalt 276 with a 8.1Gi-CE-Q catalyzed raw water cooled engine. It overheated (limp mode) when had my survey but bought it anyway with the advice from the surveyer. I pulled off one manifold and took it to my local shop and they said it looked good. I found that the...
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