125000680 - S05 ENGINE HISSING
There is buzzing (low frequency noise) coming from the engine, whose intensity varies with the number of revs| Results of the tests | ||||
| 1 | INTAKE AIR CIRCUIT CHECK | All OK | Problems met | Operation |
|---|---|---|---|---|
| Check the condition and seal of the air supply circuit | Continue to Step 2 | Circuit component damaged | Replace the component | |
| 2 | CHECKING ENGINE EXHAUST | All OK | Problems met | Operation |
| 1.9 JTD 16V | Check the engine exhaust system and, in particular:
| Continue to Step 3 | Pipe damaged | Replace the pipe Op. 1076B12 |
| Intermediate silencer damaged | Replace the intermediate silencer Op. Op. 1076B26 INTERMEDIATE EXHAUST SILENCER - R+R EMISSION CONTROL VERSIONS | |||
| Rear silencer damaged | Replace the rear silencer Op. Op. 1076B22 REAR EXHAUST SILENCER - R+R EMISSION CONTROL VERSIONS | |||
| 2.0 JTS | Check the engine exhaust system and, in particular:
| Continue to Step 3 | Pipe damaged | Replace the pipe Op. 1076B12 |
| Front silencer damaged | Replace the front silencer Op. Op. 1076B30 FRONT EXHAUST SILENCER - R + R | |||
| Intermediate silencer damaged | Replace the intermediate silencer Op. Op. 1076B26 INTERMEDIATE EXHAUST SILENCER - R+R EMISSION CONTROL VERSIONS | |||
| Rear silencer damaged | Replace the rear silencer Op. Op. 1076B22 REAR EXHAUST SILENCER - R+R EMISSION CONTROL VERSIONS | |||
| Front gasket worn or damaged | Replace the front gasket Op. Op. 1076B34 FRONT CATALYTIC CONVERTER ATTACHMENT SEAL - REPLACE | |||
| 3.2 V6 | Check the engine exhaust system and, in particular:
| Continue to Step 3 | Pipe damaged | Replace the pipe Op. 1076B12 |
| Intermediate silencer damaged | Replace the intermediate silencer Op. Op. 1076B26 INTERMEDIATE EXHAUST SILENCER - R+R EMISSION CONTROL VERSIONS | |||
| Rear silencer damaged | Replace the rear silencer Op. Op. 1076B22 REAR EXHAUST SILENCER - R+R EMISSION CONTROL VERSIONS | |||
| Front gasket worn or damaged | Replace the front gasket Op. Op. 1076B34 FRONT CATALYTIC CONVERTER ATTACHMENT SEAL - REPLACE | |||
| 3 | CHECK ON CORRECT OPERATION | All OK | Problems met | Operation |
| Check that the fault is no longer present | End of diagnosis | . | ||