SERVICE MANUAL
B-75
FIG. 1
FIG. 2
TURBO CHARGER
ON VEHICLE INSPECTION
TURBO CHARGER BOOST PRESSURE
1. Disconnect air hose from the wastegate.
2. Connect pressure gauge as shown.
3. Connect tachometer to the engine.
4. Warm up engine to operating temperature.
5. Increase engine speed to max rpm and check the boost pressure if it is
within the specified limit.
TURBINE WHEEL
1. Allow engine to cool.
2. Remove the air hose.
3. Verify that the rotor assembly turns smoothly.
4. If there is excessive load or noise, replace the turbo charger.
OIL PASSAGE
1. Allow engine to cool.
2. Remove oil return pipe.
3. Verify that carbonized oil has not blocked oil passage of the turbocharger
and of oil return pipe.
4. If carbonized oil has blocked the oil passage replace turbochager and return
pipe if necessary.
ITL
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