Oil cooler line replacement

Discussion in 'GM Powertrain' started by Blue Roan, Apr 9, 2011.

  1. Blue Roan

    Blue Roan New Member

    Does anyone know how to replace the oil cooler lines on a 1999 K3500 w/ the Vortec 454? Any help would be greatly appreciated.
     
  2. Bigg Ron

    Bigg Ron Rockstar 100 Posts

    It was not such a big deal, disconnect lines at radiator tank, remove the bolt at the motor mount holding the oil lines, then pry off the black caps at the connections at the filter, I used a hook bar, use a small pick and hook the E-Clip and pop them out and lines will slip out of the fitting. I found it very difficult to reinstall the E-Clips with the fitting still in the block, once the fitting were removed it was very simple to reinstall the E-Clips, reinstall the fittings with some sealent on the threads and then snap the lines into the fittings, push on the black caps, reattach the hoses at the radiator tank and and reconnect the suppurt bracket at the motor mount.
     

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