2427633 - X15 GEARBOX/DIFFERENTIAL OIL LEAKS

An oil leak is seen from the gearbox/differential
Results of the tests
0PRELIMINARY CHECKSAll OKProblems metOperation
Check whether the fault is accompanied by a noise from the gearbox with the vehicle stationary and in neutralCheck the gearbox/differential fluid level ( Op. 2110A04)Continue to Step 1Level not correctRestore the correct level ( Op. 2110A04). If the defect persists,Continue to Step 1
1LEAKS CHECKAll OKProblems metOperation
Thoroughly wash the gearbox, cover it with talc and road test the vehicle.Visually check that there are no leaks

In particular, check the condition of the gaskets:

  • gearbox input shaft gasket
  • rear cover gasket
  • differential oil seal
Continue to Step 2Leaks from the sealsReplace the gaskets ( Op. 2110C22)
Left differential flange leaksReplace the flange ( Op.   2110D52  )
Right differential oil seal leaksReplace the oil seal ( Op.   2110D63  )
2GEARBOX CASING CHECKAll OKProblems metOperation
Visually check the condition of the gearbox casing, using talcContinue to Step 3Casing damaged, cracked or distortedReplace the gearbox casing, the rear cover, or the entire gearbox ( Op.   2110B32  )
3CHECK ON CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer presentEnd of diagnosisFault persistsSearch for the fault starting from another symptom'