AC608435
Data link connector
MB991827
MB991824
MB991910
AB
ON-VEHICLE SERVICE
TSB Revision
INTAKE AND EXHAUST
15-6
7. If the diagnostic trouble code is stored during the check, use
scan tool MB991958 to eliminate the diagnosis code.
TURBOCHARGER WASTEGATE ACTUATOR
CHECK
M1151001200413
AK703279
AC
Turbochager wastegate actuator
1. Connect a hand vacuum pump (pressure-application type)
to nipple.
CAUTION
In order to abovid damage to the diaphragm, do not apply
a pressure of 117 kPa (17 psi) or higher.
2. While gradually applying pressure, check the pressure that
begins to activate (approximately 1 mm stroke) the
wastegate actuator rod.
Standard value: 98 − 102 kPa (14.3 − 14.7 psi)
3. If there is a significant deviation from the standard value,
check the actuator or the wastegate valve: replace if
necessary.
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