Ford Transit 2002 Owner's Manual page 1002

A3: CHECK THE TURBOCHARGER BEARINGS FOR EXCESSIVE MOVEMENT
NOTE: A small amount of movement in the bearings is normal.
A4: CHECK THE TURBOCHARGER OIL SUPPLY TUBE FOR BLOCKAGE
PINPOINT TEST B : BLUE SMOKE WITHOUT EXCESSIVE TURBOCHARGER
NOISE
TEST CONDITIONS
B1: CHECK THE TURBOCHARGER OIL RETURN PIPE
Are there any signs of foreign material?
Yes
CLEAN the intake air system components. INSTALL
a new turbocharger.
REFER to Turbocharger
TEST the system for normal operation.
No
GO to A4. .
Make sure the turbocharger rotor spins freely
1
within the housing.
1. With the turbocharger stationary, gently lift
the shaft (the shaft will naturally lay in the
bottom of the bearings).
2. Make sure the rotor spins freely within the
housing.
Does the rotor spin freely within the housing with no
excessive movement?
Yes
GO to A4. .
No
INSTALL a new turbocharger.
REFER to Turbocharger
TEST the system for normal operation.
Disconnect the oil supply tube from the
1
turbocharger.
Attach a small piece of known good hose to the oil
2
supply tube and gently blow down the hose.
Are there any signs of blockage?
Yes
INSTALL a new turbocharger oil supply tube. TEST
the system for normal operation.
No
INSTALL a new turbocharger.
REFER to Turbocharger
TEST the system for normal operation.
DETAILS/RESULTS/ACTIONS
Disconnect the oil supply tube from the
1
turbocharger.
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in this section.
in this section.
in this section.