| | Results of the tests |
| 0 | PRELIMINARY CHECKS | All OK | Problems met | Operation |
|---|
| Bleed
the air and check that the fault no longer occurs | | The fault is still present | Continue to Step 1 |
| 1 | CAP EFFICIENCY CHECK | All OK | Problems met | Operation |
|---|
| Check
the efficiency of the cap | Continue to Step 2 | Cap not working properly | Replace the cap ( Op. 1088A10) |
| 2 | SYSTEM LEAKAGE CHECK | All OK | Problems met | Operation |
|---|
| Carry
out the cooling system leak test ( Op. 0510C30 ) | Continue to Step 3 | There are coolant leaks | Continue according to the
instructions in See table X10 ENGINE COOLANT LEAKS |
| 3 | BUBBLING CHECK | All OK | Problems met | Operation |
|---|
| 1.2 8v 1.2 16v Heater | Check that there are no bubbles or oil in the coolant
reservoir | Continue to Step 4 | Presence of fluid bubbling: cylinder
head gasket damaged | Replace the gasket ( Op. 1016C10 ) |
| 1.2 8v 1.2 16v Air Conditioner | Check that there are no bubbles or oil in the coolant
reservoir | Continue to Step 4 | Presence of fluid bubbling: cylinder head gasket damaged | Replace the gasket ( Op. 1016C11) |
| 4 | CYLINDER HEAD HYDRAULIC SEAL CHECK | All OK | Problems met | Operation |
|---|
| 1.2 8v | Check the hydraulic seal of the cylinder head
( Op. 1016C04) | Continue to Step 5 | Seal ineffective | Replace the cylinder head
( Op. 1016C24) |
| 1.2 16v | Check the hydraulic seal of the cylinder head | Continue to Step 5 | Seal ineffective | Replace the cylinder head ( Op. 1016C20) |
| 5 | ENGINE MONOBLOC HYDRAULIC SEAL
CHECK | All
OK | Problems
met | Operation |
|---|
| Check
the hydraulic seal of the engine monobloc | Continue to Step 6 | Seal ineffective | Replace the monobloc ( Op. 1012A10) |
| 6 | CHECK ON CORRECT OPERATION | All OK | Problems met | Operation |
|---|
| Check
that the fault is no longer present | End of diagnosis | Fault persists | Search for the
fault starting from another symptom' |