CC 2010 β€ , Eos 2006 β€ , Golf 2004 β€ , Golf 2009 β€ , Passat 2006 β€ , ...
4-cyl. injection engine (1.8 and 2.0 l engine, chain drive) - Edition 08.2018
2)
Use high-temperature paste β ETKA (Electronic parts cataβ
logue) .
1.4
Checking vacuum unit for turbocharger
Special tools and workshop equipment required
β¦ Hand operated vacuum pump - VAS 6213-
Test specification:
β¦ Hose from turbocharger via charge pressure control solenoid
valve - N75- to vacuum unit must have through-flow (not
blocked).
β¦ Charge pressure control solenoid valve - N75- OK.
Procedure:
β Remove engine cover panel β page 141 .
β Connect hand-operated vacuum pump - VAS 6213- to vacuum
unit -arrow-.
β Move slide ring -1- on hand vacuum pump - VAS 6213- to poβ
sition -B- for βpressureβ.
Caution
The pressure must remain at or below 750 mbar! If the presβ
sure is exceeded, the vacuum unit can be damaged.
β Operate hand vacuum pump - VAS 6213- several times and
observe the linkage.
438
Rep. gr.21 - Turbocharging/supercharging
CC 2010 β€ , Eos 2006 β€ , Golf 2004 β€ , Golf 2009 β€ , Passat 2006 β€ , ...
4-cyl. injection engine (1.8 and 2.0 l engine, chain drive) - Edition 08.2018
The linkage -A- should start to move at a pressure of approx.
300 mbar and be at its limit stop at a pressure of approx.
700 mbar.
The stroke of the rod is approx. 10 mm.
Note
If no pressure can be built up using hand vacuum pump - VAS
6213- , or if the pressure drops immediately again, check hand
vacuum pump - VAS 6213- and connecting hoses for leaks. If no
fault is found: renew vacuum unit β page 443 .
1.5
Adjusting turbocharger vacuum unit (enβ
gine codes BZB, CGYA, CDAA, CDAB)
Note
This procedure is used only to adjust the vacuum unit. When
checking adjusted vacuum units the values may differ.
Special tools and workshop
equipment required
1. Exhaust turbocharger
439
2024 VW Passat Owner's Manual
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