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Thread: vibration dampener issue

  1. #1
    Join Date
    Dec 2008
    Location
    Conesus N.Y.
    Posts
    122

    Default vibration dampener issue

    As everyone can see I have a 21 year old 3500 ambulance with 112000 miles. I read all the time that the dampener should be replaced every 100000 miles. WHY!! I checked everything out and it all looks good. No play and rubber looks good as well. I understand that if it goes bad the crank will break. My question to everyone is: has anyone had the issue of a broken crank and do you recommend a new dampener? The fluid dampener is nice but 400 bucks is out of my needs. I usually do a lot of preventive maint. when needed and will do this if enough negative responses come in . Thanks
    I have a 1997 horton 4X4 ambulance converted into a motor home. New hot glow plugs, remote PMD and cooler and air induction kit. New duramax fan and 180 degree thermostates. I also own two 99 suburbans.

  2. #2
    Join Date
    Feb 2007
    Posts
    2,896

    Default

    My 3 engines have 230,000 to 270,000 miles with original dampers, one truck is almost ready for the junk yard, rusted, so I have saved on not replacing the damper. I heard that someone had a crankshaft break. Faulty one, or are they that weak?
    Grant H.
    1995 6.5 turbo GMC K2500 extra cab 4x4 pickup, PMD under bumper, mechanical wastegate, 228,000 miles, rebuilt engine, 4.10 diff, 16 mpg
    1994 6.5 turbo GMC K2500 4x4 suburban #9 resistor, PMD in the bumper, mechanical waste gate, 226,000 miles, 3.73 diff, 16 mpg
    1982 4x4 shortbed 6.2 Chev 260,000 miles untouched motor 17 MPG 4.27 diff. Best thing I ever owned, since 1992.

  3. #3
    Join Date
    Dec 2008
    Location
    Conesus N.Y.
    Posts
    122

    Default

    Thanks for your input. With the heat you have in your area you would think if it was a huge issue you would have had a problem. Any one else out there have any input. Thanks
    I have a 1997 horton 4X4 ambulance converted into a motor home. New hot glow plugs, remote PMD and cooler and air induction kit. New duramax fan and 180 degree thermostates. I also own two 99 suburbans.

  4. #4
    Join Date
    Dec 2008
    Location
    Conesus N.Y.
    Posts
    122

    Default

    Well its be a while and seems no one has a problem with this. Thanks for looking.
    I have a 1997 horton 4X4 ambulance converted into a motor home. New hot glow plugs, remote PMD and cooler and air induction kit. New duramax fan and 180 degree thermostates. I also own two 99 suburbans.

  5. #5
    Join Date
    Feb 2007
    Posts
    2,896

    Default

    Just be conscious of any rattling noise from the front of the engine, catch it as soon as it begins to fail. Use a piece of hose as a stethoscope if there is a noise, the vacuum pumps become noisy when failing.
    Grant H.
    1995 6.5 turbo GMC K2500 extra cab 4x4 pickup, PMD under bumper, mechanical wastegate, 228,000 miles, rebuilt engine, 4.10 diff, 16 mpg
    1994 6.5 turbo GMC K2500 4x4 suburban #9 resistor, PMD in the bumper, mechanical waste gate, 226,000 miles, 3.73 diff, 16 mpg
    1982 4x4 shortbed 6.2 Chev 260,000 miles untouched motor 17 MPG 4.27 diff. Best thing I ever owned, since 1992.

  6. #6
    Join Date
    Dec 2008
    Location
    Conesus N.Y.
    Posts
    122

    Default

    Will do. Going to Alaska NWT and Yukon in the spring and just getting things prepared.
    I have a 1997 horton 4X4 ambulance converted into a motor home. New hot glow plugs, remote PMD and cooler and air induction kit. New duramax fan and 180 degree thermostates. I also own two 99 suburbans.

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