125000593 - K27 ENGINE COOLANT OVERHEATING SIGNALLED BY THE INSTRUMENT
| Results of the tests | ||||
| 1 | CHECK ON RADIATOR | All OK | Problems met | Operation |
|---|---|---|---|---|
| 2.0 JTS3.2 V61.9 JTD 16VHeater | Check the condition of the radiator. In particular:
| Continue to Step 2 | Radiator distorted | Reaplce the radiator Op. Op. 1088B20 ENGINE COOLING RADIATOR - R + R |
| Radiator dirty | Clean the radiator | |||
| 2.0 JTS3.2 V61.9 JTD 16VAir Conditioner | There should not be distortions or irregularitiesThere should not be dirt | 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 See E4010 INSTRUMENT PANEL. If necessary, replace the instrument panel Op. Op. 5560B11 ANALOGUE CONTROL PANEL - R+R OR REPLACE | |
| 3 | FAN CYCLE CHECK | All OK | Problems met | Operation |
| 1.9 JTD 16V | Check that the fan cycle is correct | Continue to Step 4 | Fans not working | Continue according to the instructions inSee table 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 See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT. If necessary, replace it Op. Op. 1060G80 DS ELECTRIC INJECTION CONTROL UNIT - R R | |||
| Fans operate at the wrong temperature: readings not consistent | Restore the correct connections with the instrument panel See See E4010 INSTRUMENT PANEL. If necessary, replace it Op. Op. 5560B11 ANALOGUE CONTROL PANEL - R+R OR REPLACE | |||
| 2.0 JTS | Check that the fan cycle is correct | Continue to Step 4 | Fans not working | Continue according to the instructions inSee table 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 See E5030 PETROL ENGINE ELECTRONIC MANAGEMENT. If necessary, replace it Op. 1056F82 | |||
| Fans operate at the wrong temperature: readings not consistent | Restore the correct connections with the instrument panel See See E4010 INSTRUMENT PANEL. If necessary, replace it Op. Op. 5560B11 ANALOGUE CONTROL PANEL - R+R OR REPLACE | |||
| 3.2 V6 | Check that the fan cycle is correct | Continue to Step 4 | Fans not working | Continue according to the instructions inSee table 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 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 See E4010 INSTRUMENT PANEL. If necessary, replace it Op. Op. 5560B11 ANALOGUE CONTROL PANEL - R+R OR REPLACE | |||
| 4 | COOLING SYSTEM LEAKAGE CHECK | All OK | Problems met | Operation |
| Check the cooling system for leaks Op. Op. 0510C30 COOLING SYSTEM - TIGHTNESS TEST | Continue to Step 5 | Coolant leaks detected | Continue according to the instructions inSee table See table X10 ENGINE COOLANT LEAKS | |
| 5 | BUBBLING CHECK | All OK | Problems met | Operation |
| 1.9 JTD 16V | 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. 1016B10 |
| 2.0 JTS | 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. Op. 1016C10 SINGLE CYLINDER HEAD, REMOVED - OVERHAUL |
| 3.2 V6 | Check that there fluid in the coolant reservoir is not bubbling | Continue to Step 6 | Presence of fluid bubbling: cylinder head gaskets damaged | Replace the gaskets Op. 1016D11 |
| 6 | HEAD HYDRAULIC LEAKAGE TEST | All OK | Problems met | Operation |
| 1.9 JTD 16V2.0 JTS | Check the hydraulic seal of the cylinder head | Continue to Step 7 | Seal ineffective | Replace the cylinder head Op. 1016C20 |
| 3.2 V6 | Check the hydraulic seal of the cylinder heads | Continue to Step 7 | Seal ineffective | Replace the cylinder heads Op. 1016D30 |
| 7 | MONOBLOCK HYDRAULIC SEAL TEST | All OK | Problems met | Operation |
| CHECK ON BLOCK HYDRAULIC SEAL | Continue to Step 8 | Seal ineffective | Seal ineffective Op. Op. 1004E20 ENGINE - DISMANTLE AND RE-BUILD FOLLOWING OPERATION 1004E10 - WASH AND CHECK DISMANTLED PARTS - RE-FIT CYLINDER HEAD AND OIL SUMP - DOES NOT INCLUDE REPAIRS TO CYLINDER HEAD AND AUXILIARY UNIT | |
| 8 | CHECK ON CORRECT OPERATION | All OK | Problems met | Operation |
| Check that the fault is no longer present | End of diagnosis | . | ||