• If this is your first visit to the iboats.com Boating Forums, be sure to check out the FAQ. To post a question or comment, begin by signing up. To start viewing messages, select the forum that you want to visit from the selection below.



Help Tip: If you have a question that has not been answered to your satisfaction in the archives, it is always best to start a new thread of your own. By starting your own thread, you will receive the maximum number of views by forum members.

Below are some additional forum policies in hopes of all iboats members will follow, Thank you.

1. Please do not reply to old topics or hijack existing topics. Old topics of a technical nature are like a library book, Please do not write in them.

2. Old topics should be considered archives and used for reference only. Please do not reply to them.

3. Do not take over someone elseís topic (aka hijack) with your own question, even if it is similar. If you have a question that has not been covered to your satisfaction in the archives, it is always best to start a new topic of your own.

4. If you have a question for the original poster (OP) and the topic is over 30 days old, send the OP a PM, he may not even visit the forums any longer, or may not notice your question in the old topic.

5. By starting your own topic, you will receive the maximum number of views by forum helpers that may not even notice your question when itís posted at the end of someone elseís topic. And those answers will be specific to your particular issue.

6. Please do not post to topics that have been inactive for more than 3 months unless you are the original poster. We have very active forums and any topic that remains inactive for that long should be considered "dead". It is especially confusing when there is an entirely new question posted to an old topic.

7. Posting at the end of any topic is considered to be hijacking the original posters topic which in turn subjects the topic to be closed if it continues to happen thus not making it fair to the original poster in the future had for some reason he/she needed to return for additional information or provide an update of the problem solved which is always welcomed within a reasonable amount of time frame.

8. Please note that you should see a red banner pop up near the bottom of each inactive topic asking you not to reply to old topics. The Red banner will read: Please note this topic has been inactive for 90 days. For the best results, please start a new topic.

Thank you all in advance for doing your part in helping iboats run a smooth ship.

Additional forum rules linked below.
See more
See less

Volvo KAD 42 Diesel - Overheating Problem

  • Filter
  • Time
  • Show
Clear All
new posts

  • Volvo KAD 42 Diesel - Overheating Problem

    Hi:I have a '96 Carolina Classic with twic Volvo KAD 42's. Recently, my left port engine is running hotter than my starboard engine. In fact, when run over 3200 RPMs, the port engine goes over the magical 200 degree mark and the temp alarm sounds.Backing down the port engine to 3000 RPMs or less returns it to a "high-normal" operating range.I pulled the strainer from the port seacock, and sure enough I found a wad of polyester line caught in the filter. I cleaned the strainer, put it back, and thought the problem would be solved - NOT!This is where I need help. The engine continues to run hot. Is there another seawater intake strainer on the engine itself that I'm missing that could be possibly clogged?? Could fibers from the line have broken through the filter and clogged some sort of water injector, if such a thing exists??Any help or advice in diagnosing the problem would be greatly appreciated!!Thx!

  • #2
    Re: Volvo KAD 42 Diesel - Overheating Problem

    the easy thing to check would be your raw water pump the impeller could just be worn out or have been damaged by the cloged intaketommays
    If a dirty bottom slows you down what do think it does to your BOAT

    1970 Cal 29 Sea Fever
    1981 J24 Tangent 2930
    Northport Ny


    • #3
      Re: Volvo KAD 42 Diesel - Overheating Problem

      I 2nd that thought. What I'm sure happened is your polyester line plugged the water intake and that burned up the rubber pump impeller when it couldn't get enough water.


      • #4
        Sign up today
        Re: Volvo KAD 42 Diesel - Overheating Problem

        Ah - the KISS theory prevails once again!Makes sense...thx!!