Turbocharger Inspection - Mazda Mazda6 Workshop Manual Supplement

TURBOCHARGER INSPECTION

Note
• If the following problems exist, diagnosis the turbocharger using the following symptom troubleshooting
procedures.
1. Lack of power: perform "NO.12 LACK/LOSS OF POWER". (See
ACCELERATION/CRUISE.)
2. Oil leak: perform "NO.16 HIGH OIL CONSUMPTION/LEAKAGE". (See
CONSUMPTION/LEAKAGE.)
3. Noise: perform "NO. 21 ENGINE NOISE". (See
Compressor Wheel Inspection
1. Remove the air pipe between the air cleaner and the turbocharger. (See
REMOVAL/INSTALLATION.)
2. Visually inspect the compressor wheel from view A and verify that all fins are free from damage, cracks or
bends.
• If there are damaged fins, cracks or bends, replace the turbocharger.
Note
• To make the inspection easier, set a small
mirror as shown in the figure and use a
penlight.
• If the compressor wheel is interfering with
the compressor housing, it is likely that the
fin edges are cracked, damaged, or bent.
• If the compressor wheel is damaged, check
the following before replacing the
turbocharger to avoid reoccurrence of the
problem.
— Foreign material in intake air/exhaust
system.
— Oil pipe clogging.
F2–38
INTAKE-AIR SYSTEM
F2–217 NO.21 ENGINE
F2–195 NO.12 LACK/LOSS OF POWER-
F2–209 NO.16 HIGH OIL
NOISE.)
F2–36 INTAKE-AIR SYSTEM
A
A6E401013700201
MIRROR
A6E40102009