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  1. bellaire35

    Help, diagnosing sound.

    I know they are a German company and just recently started exporting to Costa Rica. thanks for the heads up on the phone battery...I knew someone on this forum could offer useful information :)
  2. bellaire35

    Help, diagnosing sound.

    Just to update on the original problem, it was indeed a fuel injector. Had them all bench tested and adjusted to the FSM specs. Did not have to replace the points. New washers were installed and for safe measures new fuel filter. Runs very smooth, more power and sounds more quite.
  3. bellaire35

    Help, diagnosing sound.

    :beer: Yes, the diesel here in Central America is 1 part diesel and 2 parts dirt/water. We all run a pre filter but still change the fuel filters more often than up north.
  4. bellaire35

    Help, diagnosing sound.

    I will for sure do a wrote up now. Sorry no pics as it was raining: Hope this helps... Materials: Liqui moly purge (used due to the good reviews), 3' rubber hose, mason jar or any clear container. In line fuel filter if you have a return fuel line. Couple of beers wile you sit around waiting...
  5. bellaire35

    Help, diagnosing sound.

    Good point. Plan on doing that as well. Will do the purge with the current filter, no need to ruin a new one.
  6. bellaire35

    Help, diagnosing sound.

    Going to do a diesel purge first, clean out any crud in the IP and lines then have the injectors rebuilt. For that price I can't see why not.
  7. bellaire35

    Help, diagnosing sound.

    Got a quote on injector rebuild. Includes new points $140 for all 4. Not bad after hearing some of the prices up north.
  8. bellaire35

    Help, diagnosing sound.

    Thanks! I been dealing with this noise for several weeks and know the feeling. Plan on a good night sleep with this issued resolved for now...damn gremlins.
  9. bellaire35

    Help, diagnosing sound.

    Thanks Tom. After driving these diesels long enough I feel you can tell when a noise occurs that will indicate something is not right. I am half tempted to do a diesel purge before dropping the $$ on rebuilt injectors. It's a long shot but with the horrible diesel we get in Costa Rica maybe...
  10. bellaire35

    Help, diagnosing sound.

    Figured it out. The #4 injector is bad. I switched #3 in its place and the sound defiantly decreased. So, I will have the local shop rebuild all 4 for me now. Sure to experience more power and fuel economy. No telling how old these injectors are. Thanks for all the input. #4 injector
  11. bellaire35

    Help, diagnosing sound.

    I took off the valve cover and checked all the clearances. All good. Next, I removed the #4 cylinder injector and the noise seemed to decrease a lot. Since I could hear in the cab I decided that maybe this injector is clogged or possible bad. Going to remove this injector and see if that is...
  12. bellaire35

    Help, diagnosing sound.

    I thought if it was a a loose exhaust valve slap I for sure would hear it in the engine bay around the valve cover. Given how loud the sound is in the cab it would be much worse at the valve cover???
  13. bellaire35

    Help, diagnosing sound.

    No difference in sound. Thought at one point it was the clutch plate but I think those may "whine" more than what I'm hearing
  14. bellaire35

    Help, diagnosing sound.

    When the engine is warm, the Engine bay is much More quite but still that loud sound is coming from inside the cab. Mainly at idle and slow acceleration.
  15. bellaire35

    Help, diagnosing sound.

    It's really hard to get a distinct sound with the iPhone: It is very loud compared to a week ago inside the cab. Inside the cab by the tranny hump and firewall: Inside engine bay. Cold start:
  16. bellaire35

    Help, diagnosing sound.

    Bj40 b engine: Before I begin I do understand diesels make pings, Knocks and all sorts of sounds normally. Up until a few weeks ago when I crank my bj40 b engine it was quite in the cab and sounded smooth. This sound recently started a few weeks back and I am stumped. i know many of you that...
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