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Bleed fuel system (Z17DTR, A17DTS)
Important: When
replacing fuel system components, ensure that the high-pressure
pump does not draw in an air-fuel mixture. This could cause a DTC
to set.
This applies to the following
components:
- High-pressure pump
- Fuel filter
- Fuel feed lines
After replacing one of the above components, the following steps
must be carried out:
| 1. |
Filling the fuel tank
| • |
Remaining fuel quantity must be at least 5 litres!
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| 2. |
Ignition ON. Do NOT start engine!
| • |
Ignition ON for about 30 seconds
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| • |
Pre-feed pump in tank delivers fuel to high-pressure pump
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| 3. |
Ignition OFF (for about 30 seconds)
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| 4. |
Ignition ON. Do NOT start engine!
| • |
Ignition ON for about 30 seconds
|
| • |
Pre-feed pump in tank delivers fuel to high-pressure pump
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| 5. |
Ignition OFF (for about 30 seconds)
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| 6. |
Ignition ON. Do NOT start engine!
| • |
Ignition ON for about 30 seconds
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| • |
Pre-feed pump in tank delivers fuel to high-pressure pump
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| 7. |
When replacing the high-pressure pump: start engine and allow
to idle for about 15 seconds
| • |
High-pressure pump is programmed
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