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  1. Macon Rounds

    LLY: is this the frame beaming ???? untraceable vibration

    Let us know what fixes it !!!!! There are lots of us out here with similar issues. !!!!
  2. Macon Rounds

    LBZ: 2006 Eng Vibration between 1200 to 1500 RPM

    Engine Vibration Eliminated Up date on engine vibration problem. SHortly after making this post my engine squaked a Mass Air Flow code. So i changed the MAP sensor and installed a new air filter. Vibration was still evident at the 1200 thru 1500 RPM range but was greatly reduced and almost...
  3. Macon Rounds

    LBZ: 2006 Eng Vibration between 1200 to 1500 RPM

    Looks like ill be picking up a 36mm socket and a 3/4 drive breaker bar... Thanks
  4. Macon Rounds

    LBZ: 2006 Eng Vibration between 1200 to 1500 RPM

    36mm
  5. Macon Rounds

    LBZ: 2006 Eng Vibration between 1200 to 1500 RPM

    Thanks
  6. Macon Rounds

    LBZ: 2006 Eng Vibration between 1200 to 1500 RPM

    Level of vibration ??? Vibration is not so much that you would consider it harmful to "components" but enough of an anyoyance that even the wife knows something is wrong with it. Remember vibration is present while in Park or Neutral, and also in all gears while moving. And most noticable at...
  7. Macon Rounds

    LBZ: 2006 Eng Vibration between 1200 to 1500 RPM

    AllData shows tool J44643 for harmonic Balancer removal however this is just a holding too to keep th crank from turning. Anyone know what type puller is need to remove the balancer from the crankshaft ? Thanks in advance
  8. Macon Rounds

    LBZ: 2006 Eng Vibration between 1200 to 1500 RPM

    Original water pump.. Balancer was my thought too and will be checking that out this weekend. Flex plate most probable cause. But big $$$ to pull the tranny just to check it out, so we are eliminating all less expensive possibilities first.
  9. Macon Rounds

    LBZ: 2006 Eng Vibration between 1200 to 1500 RPM

    Cracked flex plate has been mentioned but Tranny guy said its not likely. injector balance good. Flywheel a posibility but not a typical duramax problem. But then again this is not a normal issue. Thanks for the feedback.
  10. Macon Rounds

    LBZ: 2006 Eng Vibration between 1200 to 1500 RPM

    The problem shadows itself like a tire imbalance issue, however i just recently discover that the vibration is NOT a tire issue or MPH related. "THE PROBLEM IS rpm RELATED" and most prevelant at 1200 to 1500 RPM's . While selected to PARK or Neutral position and slowly reving the engine thru...
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