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   Rust flakes in rear axle housing and PM #33, check your rear axle breather

   It's actually not uncommon for air spaces in drivetrain components to have some rust/vapor driven corrosion due to condensation and air exchange. I would not go wild on further cleaning (phospates, etc) as I worry it may affect what really matters - the bearings. The roof of the diffs doesn't...

   • Words: 160
   • IdahoDoug
   • Post #3
   • Nov 23, 2022
   • Forum: 80-Series Tech