145 - MiTo   1.4 16v TJet   ENGINE FAN NOISE   S059   


 

 

TEST RESULTS

 

1

 

FAN CONNECTION CHECK

 

EVERYTHING OK

 

PROBLEMS ENCOUNTERED

 

OPERATION

 

 

With the engine on and engine temperature approximately 90°, or as an alternative, activating the compressor (A/C version), check fan activation and identify the point in contact with the radiator

 

Go to Step 2

 

Interference between the fan and the radiator

 

Eliminate the interference and restore correct operation

 

2

 

COOLING MODULE FASTENING CHECK

 

EVERYTHING OK

 

PROBLEMS ENCOUNTERED

 

OPERATION

 

 

Check for the presence of looseness on the fastenings/screws of the duct on the cooling module

 

Go to Step 3

 

Looseness on the fastenings of the cooling module

 

Restore the correct fastenings of the duct on the cooling module

 

3

 

COOLING MODULE INTERFERENCE CHECK

 

EVERYTHING OK

 

PROBLEMS ENCOUNTERED

 

OPERATION

 

 

Check whether the fan impeller is in contact with the duct

 

Go to Step 4

 

Interference between the impeller and the duct

 

Replace the impeller assembly

 Op. 1088B26 AIR DUCT ON RADIANT MASS - R.R.

 

4

 

FOREIGN BODIES CHECK

 

EVERYTHING OK

 

PROBLEMS ENCOUNTERED

 

OPERATION

 

 

Check for foreign bodies next to the fan that cause noise

 

End of diagnosis

 

Foreign bodies identified next to the fan

 

Remove the foreign bodies causing the noise