Inspection and Verification
NOTE:
This service information provides mechanical diagnosis of the turbocharger assembly. If there is a Malfunction Indicator Lamp (MIL) illuminated, or DTCs are present, these should be diagnosed prior to performing turbocharger mechanical diagnosis. Refer to the
INTRODUCTION - GASOLINE MODELS
article.
- Verify the customer concern.
- Inspect the entire turbocharger system for obvious signs of damage or other mechanical concerns, using the following chart.VISUAL INSPECTION CHART
Mechanical - Oil inlet pipe and connection
- Oil outlet pipe and connection
- Compressor housing inlet circuit and piping
- Compressor housing outlet circuit and piping
- Turbine housing inlet circuit and piping
- Turbine housing outlet circuit and piping
- Turbocharger actuator tubing or linkage
- If the concern(s) remains after the inspection, GO to SYMPTOM CHART .
- If a driveability condition still exists, refer to the INTRODUCTION - GASOLINE MODELS article.