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SM465 noise

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by obrut, Apr 14, 2001.

  1. obrut

    obrut Registered Member

    Joined:
    Jul 27, 2000
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    Location:
    IL
    My sm465 is making a bad noise, with the t-case removed when i start it and put it into 1st gear it makes a slow and steady thump thump then as i go into 2nd and 3rd it gets faster. It still drives but i don't want to mess anything up. Do you guys have any ideas?
     
  2. chvyhs

    chvyhs 1/2 ton status

    Joined:
    Feb 12, 2001
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    Location:
    Murrieta, California
    Mine was making a noise that I thought was the tranny but it ended up being the rear end. Good luck with yours.
     

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