Workshop Manuals Factory service & repair Alfa Romeo
01 General information02 Specifications03 Manufacturing data and tolerances04 Tightening torques05 Fluids and lubricants06 Maintenance07 Diagnostic checks08 Engine09 Clutch10 Gearbox and differential11 Axles and driveshafts12 Brakes13 Steering14 Suspension and wheels15 Heating, air conditioning and auxiliary units16 Electrical equipment17 Body fittings18 Body panels and frame19 Wiring diagrams and electrical functions20 Wiring harnesses21 Connectors and pin-outs22 Fault diagnosis23 Special tools
Alfa Romeo 147 Factory Service Manual (2000-2004)22 · Fault diagnosis
22 · Diagnostics

Gearbox/differential oil leaks

Make
Alfa Romeo
Model
147 Factory Service Manual
Year
2000–2004
Section
Consumption /leaks/ wear › Gearbox/differential oil leaks
Fault diagnosisGearbox/differential oil leaks

GEARBOX/DIFFERENTIAL OIL LEAKS

1.6 TS, 2.0 TS

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 neutral

Check the gearbox/differential fluid level Op. 2110A04

Continue to Step 1Noise detected from the gearboxSee table S22 NOISE GEARBOX
Fluid level not correct

Restore the correct level Op. 2110A04If the fault persists, continue

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. 2110C24
Leaks from the sealsReplace the flange Op. 2110D53
Leaks from the sealsReplace the oil seal Op. 2110D62
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
3CORRECT OPERATION CHECKAll OKProblems metOperation
Check that the fault is no longer presentFault persistsSearch for the fault starting from another symptom'

Parts & tools for this job For 2000 Alfa Romeo 147

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