LR
All faults
Gearbox & transferMedium severity

R380 gearbox noise or jumping out of gear

Will get worse if left.

Symptoms

A whine in certain gears, rumble that stops when the clutch is pressed, or a gear that pops out on the overrun.

Likely cause

Worn layshaft or mainshaft bearings, worn synchro hubs or detent springs, or the wrong oil.

Suggested fixes

Listed roughly in the order most owners try them.

  1. 1

    Change the gearbox oil

    Drain and refill with the correct fluid. Old or wrong oil makes shifts notchy and noisy.

    Difficulty:
    Easy DIY
    Cost:
    £ (Under about £50 in parts)
  2. 2

    Check gearbox mounts

    Collapsed mounts can let the box move and pull gears out of engagement.

    Difficulty:
    Easy DIY
    Cost:
    £ (Under about £50 in parts)
  3. 3

    Fit an exchange or rebuilt gearbox

    Bearing noise means a rebuild. It is often worth doing the clutch and transfer box seals at the same time.

    Difficulty:
    Specialist job
    Cost:
    £££ (Over about £300)

This is general guidance gathered from owner experience and workshop practice, not a substitute for a workshop manual or a qualified mechanic. Costs are rough parts-only guides. Brakes, steering and suspension work affects safety, so if in doubt have it checked professionally.

Related faults