TEST RESULTS
0
PRELIMINARY CHECKS
ALL OK
PROBLEMS ENCOUNTERED
ACTION
Bleed the air and check that the problem has disappeared.
End of diagnosis
The fault is still present.
Move on to Step 1
1
EXPANSION TANK CAP EFFICIENCY CHECK
Check the efficiency of the expansion tank cap using tool n.° 2000030000.
Move on to Step 2
Cap inefficient.
Replace the cap.
2
COOLING SYSTEM LEAKAGE CHECK
Check the seal of the cooling system
Op. 0510C30 ENGINE COOLING SYSTEM - LEAKAGE TEST
Move on to Step 3
There are engine cooling system leaks.
Proceed as instructed in the
See table X010 ENGINE COOLANT LEAKS
3
CHECK FOR GURGLING
Check that no gurgling or oil is present in the coolant reservoir.
Move on to Step 4
Presence of fluid or air bubbles:
head gasket damaged.
Replace the damaged gasket.
4
CYLINDER HEAD HYDRAULIC SEAL CHECK
Check the hydraulic seal of the cylinder head.
Move on to Step 5
Seal not efficient.
Replace the cylinder head
Op. 1016C10 SINGLE CYLINDER HEAD - R.R. AND REPLACE GASKET
5
ENGINE MONOBLOC HYDRAULIC SEAL CHECK
Check the hydraulic seal of the engine monobloc
Replace the monobloc
Op. 1004E20 ENGINE - DISMANTLING AND REASSEMBLY FOLLOWING OP.1004E10 - WASH AND CHECK DISMANTLED COMPONENTS - REFITTING CYLINDER HEAD AND OIL SUMP - DOES NOT INCLUDE OPERATIONS ON CYLINDER HEAD AND AUXILIARY UNITS
Coolant consumption is high (frequent topping up is required)
