939005424 - X15 GEARBOX/DIFFERENTIAL OIL LEAKS

An oil leak can be seen from the gearbox/differential
0PRELIMINARY CHECKSAll OKProblems encounteredOperation
Check whether the problem is accompanied by noise from the gearbox with the vehicle stationary and in neutral. Check the transmission fluid level    Op. 0010T41 MANUAL GEARBOX OIL CHECK LEVEL AND TOP UP IF NECESSARY Move on to Step 1Noise detected from gearbox.Proceed as instructed in the    See table S022 GEARBOX NOISE - IN NEUTRAL
Level not correct.Restore the correct level.    Op. 0010T41 MANUAL GEARBOX OIL CHECK LEVEL AND TOP UP IF NECESSARY and carry out a road test. If the fault persists, move on to Step 1
1CHECK FOR LEAKSAll OKProblems encounteredOperation
Wash the gearbox thoroughly, spread with talc and carry out a road test.Check that there are no leaks.In particular, check the condition of the gaskets:- gear input shaft seal;- rear cover gasket;- differential oil seal.Move on to Step 2.Leaks from gaskets.Replace the gaskets
Leaks from left differential flangeReplace the flange    Op. 2110D52 FLANGE ON DIFFERENTIAL - R.R WITH DRIVESHAFT REMOVED
Leaks from right differential oil seal.Replace the oil seal    Op. 2110D62 RIGHT DIFFERENTIAL SHAFT OIL SEAL - R.R WITH INTERMEDIATE DRIVESHAFT REMOVED
2GEAR CASING CHECKAll OKProblems encounteredOperation
Use talc to check visually that the gear casing is intact.End of diagnosisCasing damaged, with presence of cracks or deformities.Replace the gear casing, rear cover or entire gearbox    Op. 2110B34 MANUAL GEARBOX (6 SPEED) WITH DIFFERENTIAL - DISMANTLING AND REASSEMBLY - WASH, CHECK COMPONENTS, REPLACE SYNCHRONIZERS AND INTERNAL CONTROLS