Maintenance
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3.4.11. Wastegate control valve replacement
<Removal>
1) Close the manual shut off (1/4 turn) valve.
2) Disconnect the battery ground cable.
3) Disconnect the harness connector from
the wastegate control valve.
4) Disconnect the two hoses connected to
the wastegate control valve.
CAUTION:
Make a note of which hose is connected
to each of the two hose barbs.
<Installation>
1) Install the wastegate control valve using the original mounting hardware.
2) Reconnect the two hoses connected to the wastegate control valve.
CAUTION:
Make sure to reconnect the hoses to the correct fitting. Switching the two hoses will result in
improper engine operation.
3) Install the harness connector on the wastegate control valve.
4) Connect the battery ground cable.
5) Open the manual shut off (1/4 turn) valve.
6) Check the valve for proper operation with the engine off per the diagnostic manual.
7) Run the engine under various loads, and check the wastegate control valve for proper operation
using the SCAN-200 service tool.
EJ2OM017
Solenoid
valve
Compressed air
from turbocharger
Air pressure
from regulator
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