26-09-07
Aging, deformation, and hardening are the most common causes of oil leakage, so replacing the gasket or O-ring with a fresh, oil-resistant rubber component will resolve the majority of issues. Before reassembly, it is crucial to clean the mating surfaces between the window and the gearbox housing, as residual oil, metal shavings, or paint can compromise the seal. Once clean, reassemble the compone