| | Test results |
| 0 | PRELIMINARY CHECKS | All OK | Problems encountered | Operation |
|---|
| Bleed the air and check the fault does not recur | End of diagnosis | The fault recurs | Move on to Step 1 |
| 1 | CHECK EFFICIENCY OF THE EXPANSION TANK PLUG | All OK | Problems encountered | Operation |
|---|
| Check efficiency of the expansion tank plug | Move on to Step 2 | Plug inefficient | Replace the cap |
| 2 | COOLING SYSTEM LEAKAGE TEST | All OK | Problems encountered | Operation |
|---|
| Check the seal of the cooling system | Move on to Step 3 | Cooling system leaks detected | Proceed as instructed See table X010 ENGINE COOLANT LEAKS |
| 3 | CHECK FOR GURGLING | All OK | Problems encountered | Operation |
|---|
| Check that no gurgling or oil is present in the coolant reservoir | Move on to Step 4 | Presence of fluid or air bubbles: cylinder head damaged | Replace the damaged gasket |
| 4 | CHECK CYILNDER HEAD HYDRAULIC SEAL | All OK | Problems encountered | Operation |
|---|
| Check the hydraulic seal of the cylinder head | Move on to Step 5 | Seal not efficient | Remove the cylinder head Op. 1016C10 SINGLE CYLINDER HEAD - R.R. AND REPLACE GASKET |
| 5 | CHECK ENGINE MONOBLOC HYDRAULIC SEAL | All OK | Problems encountered | Operation |
|---|
| Check the hydraulic seal of the monobloc | Move on to Step 6 | Seal not efficient | Replace the monobloc |
| 6 | CHECK ON CORRECT OPERATION | All OK | Problems encountered | Operation |
|---|
| Check that the fault is no longer present | End of diagnosis | The fault persists | Contact technical service for further information on the problem |
