TURBOCHARGER INSPECTION [WLT-1, WLT-2]

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Note

•  Before performing the following inspection, make sure to follow the procedure as indicated in the troubleshooting flowchart. (See HOW TO USE THIS MANUAL.)

Compressor Wheel Inspection

1.  Remove the air intake hose between the air cleaner and the turbocharger. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [WLT-1, WLT-2].)

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. (See EXHAUST SYSTEM REMOVAL/INSTALLATION [WLT-1, WLT-2].)

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 malfunction.

―  Foreign material in intake air/exhaust system.

―  Oil pipe clogging.

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Turbine Wheel Inspection

1.  Remove the joint pipe. (See EXHAUST SYSTEM REMOVAL/INSTALLATION [WLT-1, WLT-2].)

2.  Visually inspect the turbine wheel from view B and verify that all fins are free from damage, cracks or bends.

•  If there are damaged fins, cracks or bends, replace the turbocharger. (See EXHAUST SYSTEM REMOVAL/INSTALLATION [WLT-1, WLT-2].)

Note

•  To make the inspection easier, set a small mirror as shown in the figure and use a penlight.

•  If the turbine wheel is interfering with the turbine housing, it is likely that the fin edges are cracked, damaged, or bent.

•  If the turbine wheel is damaged, check the following before replacing the turbocharger to avoid reoccurrence of the malfunction.

―  Foreign material in intake air/exhaust system.

―  Oil pipe clogging.

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