Transmission Overhaul 2017-12-19T20:23:30+00:00

Transmission Overhaul

Shown here: completely overhauled gearbox (4BVH & 5BVM).

The gearboxes are:

  • dismantled
  • machine-cleaned with cold degreaser
  • further cleaning by hand
  • gear wheels, synchronised gears and crown wheel and pinion are all inspected for damage, wear and rust
  • all 8 bearings are replaced
  • reassembly including adjusting crown wheel and pinion, fitting primary shaft, adjusting differential, fitting differential shaft journals, replacing top lid (+ adjustment BVH)
  • testing on a test bench specially developed by HML
  • filled with special gearbox oil EP80 and fitted with new, yellow passive coated bolts, nuts and brackets.