3233154 - S12 ENGINE BUZZING'
There is a constant load noise coming from the area of the engine, which is repeated at regular intervals| Results of the tests | ||||
| 0 | PRELIMINARY CHECKS | All OK | Problems met | Operation |
|---|---|---|---|---|
| Check the condition and tension of the auxiliary shaft drive belt | Continue to Step 1 | Tension not correct | Replace the belt Op. 1092G10 | |
| 1 | AUXILIARY DRIVE BELT CHECK | All OK | Problems met | Operation |
| Check the belt tensioners and, in particular, the bearings | Continue to Step 2 | Belt tensioner bearings damaged | Replace the belt tensioner (see Assembly 1092G) | |
| 2 | WATER PUMP CHECK | All OK | Problems met | Operation |
| 1.6 TS 1.8 TS [d] 1.9 JTD 8v 2.4 JTD 10v | Check the water pump and, in particular, the condition of the bearing | Continue to Step 3 | Water pump bearing damaged | Replace the water pump Op. 1088C12 |
| 2.5 V6 | Check the water pump and, in particular, the condition of the battery, making sure it is correctly fixed | Continue to Step 3 | Pulley damaged or fixing incorrect | Renew the correct fixing or replace the pulley Op. 1088C24 |
| 3 | ALTERNATOR CHECK | All OK | Problems met | Operation |
Check the alternator and, in particular:
| Continue to Step 4 | Alternator bearing damaged | Replace the alternator Op. 5530A14 | |
| Pulley fixing incorrect | Restore the correct pulley fixing Op. 5530A30 0 | |||
| 4 | CORRECT OPERATION CHECK | All OK | Problems met | Operation |
| Check that the fault is no longer present | End of diagnosis | Fault persists | Search for the fault starting from another symptom' | |