2398819 - K27 ENGINE COOLANT OVERHEATING SIGNALLED BY THE INSTRUMENT
.| Results of the tests | ||||
| 1 | CHECK ON RADIATOR | All OK | Problems met | Operation |
|---|---|---|---|---|
| 1.3 JTD 16v | Check the condition of the radiator. In particular:
| Continue to Step 2 | Radiator distorted | Reaplce the radiator Op. 1088B20 |
| Radiator dirty | Clean the radiator | |||
| 1.3 JTD 16v | Check the condition of the radiator. In particular:
| Continue to Step 2 | Radiator distorted | Reaplce the radiator Op. 1088B24 |
| Radiator dirty | Clean the radiator | |||
| 2 | INSTRUMENT PANEL OPERATION CHECK | All OK | Problems met | Operation |
| Disconnect the water temperature sensor and check that the gauge goes down to the minimum value | Continue to Step 3 | Gauge stuck at maximum temperature | Restore the correct connections See E4010 INSTRUMENT PANEL If necessary, replace the instrument panel Op. 5560B11 | |
| 3 | FAN CYCLE CHECK | All OK | Problems met | Operation |
| 1.2 16v 1.4 16v | Check that the fan cycle is correct | Continue to Step 4 | Fans not working | Continue according to the instructions for the See table K29 ENGINE COOLANT OVERHEATING SIGNALLED BY INSTRUMENT - WITH VAPOURS VISIBLE |
| Fans operate at the wrong temperature: control unit and panel readings consistent | Restore the correct connections with the control unit See E5030 PETROL ENGINE ELECTRONIC MANAGEMENT If necessary, replace it Op. 1056B82 | |||
| Fans operate at the wrong temperature: readings not consistent | Restore the correct connections with the instrument panel See E4010 INSTRUMENT PANEL If necessary, replace it Op. 5560B11 | |||
| 1.3 JTD 16v 1.9 JTD 8v | Check that the fan cycle is correct | Continue to Step 4 | Fans not working | Continue according to the instructions for the See table K29 ENGINE COOLANT OVERHEATING SIGNALLED BY INSTRUMENT - WITH VAPOURS VISIBLE |
| Fans operate at the wrong temperature: control unit and panel readings consistent | Restore the correct connections with the control unit See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT If necessary, replace it Op. 1060G80 | |||
| Fans operate at the wrong temperature: readings not consistent | Restore the correct connections with the instrument panel See E4010 INSTRUMENT PANEL If necessary, replace it Op. 5560B11 | |||
| 4 | COOLING SYSTEM LEAKAGE CHECK | All OK | Problems met | Operation |
| Carry out the cooling system leak test Op. 0510C30 | Continue to Step 5 | Coolant leaks detected | Continue according to the instructions for the See table X10 ENGINE COOLANT LEAKS | |
| 5 | BUBBLING CHECK | All OK | Problems met | Operation |
| Check that there fluid in the coolant reservoir is not bubbling | Continue to Step 6 | Presence of fluid bubbling: cylinder head gasket damaged | Replace the seal Op. 1016C10 | |
| 6 | HEAD HYDRAULIC LEAKAGE TEST | All OK | Problems met | Operation |
| Check the hydraulic seal of the cylinder head | Continue to Step 7 | Seal ineffective | Replace the cylinder head Op. 1016C20 | |
| 7 | MONOBLOC HYDRAULIC SEAL TEST | All OK | Problems met | Operation |
| Check the hydraulic seal of the monobloc | Continue to Step 8 | Seal ineffective | Replace engine block Op. 1012A10 | |
| 8 | CHECK ON CORRECT OPERATION | All OK | Problems met | Operation |
| Check that the fault is no longer present | End of diagnosis | . | ||