Troubleshooting assistant
Pick a problem area, choose the symptom, then follow the remedy links or step-by-step TSRM procedure.
Turbocharger System
Excessive oil consumption or white exhaust
Turbocharger oil-seal troubleshooting from TC-6.
Possible causes and remedies
Possible cause
Faulty turbocharger oil sealRemedy
Check for oil leakage in exhaust system.
Remove the turbine elbow from the turbocharger and check for excessive carbon deposits on the turbine wheel. Excessive carbon deposits would indicate a faulty turbocharger.
Check for oil leakage in intake air system.
Check plays of turbine shaft, and replace the turbocharger if necessary. (See page TC-14)
Axial play: 0.13 mm (0.0051 in.) or less
Radial play: 0.18 mm (0.0071 in.) or less
NOTICE: Do not mistakenly diagnose ordinary oil mist from the PCV in the blow-by gas as an oil leak from the turbocharger.
Remove the turbine elbow from the turbocharger and check for excessive carbon deposits on the turbine wheel. Excessive carbon deposits would indicate a faulty turbocharger.
Check for oil leakage in intake air system.
Check plays of turbine shaft, and replace the turbocharger if necessary. (See page TC-14)
Axial play: 0.13 mm (0.0051 in.) or less
Radial play: 0.18 mm (0.0071 in.) or less
NOTICE: Do not mistakenly diagnose ordinary oil mist from the PCV in the blow-by gas as an oil leak from the turbocharger.