For 1990-2009 cars only
- Clean all mating surfaces.
- Inspect all threaded holes for damage.
- Inspect the wastegate actuator rod for damage.
- Inspect the compressor and turbine blades for damage or foreign material.
- Clean the turbocharger inlet mating surfaces.
- Inspect the turbocharger inlet mating surfaces for damage. Replace the turbocharger if damage is found.
- Inspect the turbocharger wastegate regulator solenoid hoses for damage. Replace the hoses if necessary.
- Inspect the turbocharger wastegate regulator solenoid valve assembly and bracket. Replace if necessary.
- Inspect the turbocharger air bypass diaphragm assembly, valve cover, and valve spring. Replace if necessary.
- Inspect the positive crankcase ventilation (PCV) O-ring for damage. Replace the O-ring if damaged or leaking.
- Inspect the PCV hose and PCV fitting for damage. Replace the camshaft cover if damage to the PCV hose or fitting is present.
Important: Completely inspect the turbocharger and all other engine components that may cause similar conditions before replacing the turbocharger. Refer to Symptoms - Engine Mechanical.
Important: Do not remove the PCV hose from the fitting as damage to the hose will occur.
