199002602 - K027 ENGINE COOLANT OVERHEATING SIGNALLED BY THE INSTRUMENT

The customer complains of: Engine overheating

		Test results
1	RADIATOR CHECK	All OK	Problems encountered	Operation
	Check radiator conditions. More specifically:- No deformations or faults should be present;- No dirt should be present	Move on to Step 2	Radiator distorted	Replace the radiator    Op. 1088B20 ENGINE COOLING RADIATOR - R + R
			Radiator dirty	Clean the radiator
2	CHECK INSTRUMENT PANEL OPERATION	All OK	Problems encountered	Operation
	Disconnect the coolant temperature sensor and check that the gauge drops to the minimum value	Move on to Step 3	Gauge locked at maximum temperature	Restore the correct connections    See E4010 INSTRUMENT PANEL Replace control panel if necessary    Op. 5560B10 CONTROL PANEL - R+R
3	COOLING SYSTEM LEAKAGE TEST	All OK	Problems encountered	Operation
	Check the seal of the cooling system    Op. 0510C30 ENGINE COOLING SYSTEM - LEAKAGE TEST	Move on to Step 4	Coolant leaks found	Proceed as instructed in the    See table X010 ENGINE COOLANT LEAKS
4	CHECK NO GURGLING IS PRESENT	All OK	Problems encountered	Operation
	Check there is no oil gurgling in the coolant reservoir	Move on to Step 5	Presence of fluid or air bubbles:	Replace the cylinder head gasket    Op. 1016C10 SINGLE CYLINDER HEAD - R.R. AND REPLACE GASKET
5	CHECK FAN CYCLE	All OK	Problems encountered	Operation
	Check that the fan cycle is correct by carrying out test 1088EA    See Test 1088E COOLANT TEMPERATURE CONTROL DEVICES	Move on to Step 6	-	-
6	POWER SUPPLY CIRCUIT CHECK	All OK	Problems encountered	Operation
	Check the condition of the fuel supply circuit and make sure that it is working properly carrying out the    See Test 1040OA FUEL SUPPLY CIRCUIT CHECK	Move on to Step 7	-	-
7	AMBIENT PARAMETERS CHECK	All OK	Problems encountered	Operation
	Select the following control unit at the diagnostic equipment: Marelli Diesel Injection 6F3 EOBD CAN (EP engine 1.3 JTD) Check the value of the following parameter:- Coolant temperature    See Test 1060OE ENGINE COOLANT TEMPERATURE SENSOR OPERATION CHECK	Move on to Step 8	-	-
8	CHECK INTAKE CIRCUIT AND OIL LEVEL	All OK	Problems encountered	Operation
	Check that the air intake/vacuum circuit is working properly by carrying out the    See Test 1048OA AIR INTAKE/VACUUM CIRCUIT CHECKCheck that the engine oil level is correct    Op. 0010T11 ENGINE OIL - CHECK LEVEL AND TOP UP, IF NECESSARY	End of diagnosis	Oil level incorrect	Restore the correct engine oil level    Op. 0010T11 ENGINE OIL - CHECK LEVEL AND TOP UP, IF NECESSARY