EGR - MIL ON, DTC 00560 EGR Flow Deviation Detected
Group: O1Number: 97-04
Date: Mar. 4, 1997
Subject:
Malfunction Indicator Lamp (MIL) is ON,
DTC 00560 Stored in DTC Memory
Model(s):
Passat with TDI (engine code 1Z) 1997
Condition
Malfunction Indicator Lamp (MIL) is ON, DTC 00560 (EGR flow deviation detected) stored in DTC memory.
Service
If condition exists:
- Remove engine cover
- Remove hose (from charge air cooler) to intake at -arrow-.
- Remove vacuum hose from EGR valve -1-.
- Connect US 8026 hand vacuum pump to EGR valve -1-.
- Clean EGR valve shaft using brake cleaner spray (use sparingly and wipe off any residue).
- Apply vacuum until EGR valve opens (audible popping noise heard).
^ The valve plate must lift from the valve seat (observe membrane cam via intake opening)
- Clean EGR valve plate and seat using brake cleaner spray (use sparingly and wipe off any residue).
- Using engine oil, lubricate the EGR valve plate and seat (wipe off excess oil).
- Release vacuum to EGR valve.
- Using engine oil, lubricate the EGR valve shaft (wipe off excess oil).
- Using vacuum pump, manually operate EGR valve several times (make sure shaft is well lubricated).
^ Valve must audibly close (valve plate must position itself again on the valve seat)
- Remove vacuum pump.
- Reinstall vacuum line to EGR valve.
- Reinstall hose from charge air cooler to intake.
- Reinstall engine cover
- Erase DTC memory, road test vehicle for approx. 10 miles (16Km).
- Verify: EGR function, MIL does not come ON and that no DTC's are stored.
When procedure applies to vehicles within
warranty use the following:
Part Identifier: 2639
Labor Operation: 2639511 55 TU