Turbocharger Cleaning and Inspection
WARNING: This page is about a different car, the 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
- 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 (2) and bracket (1). Replace if necessary.
- Inspect the turbocharger air bypass diaphragm assembly (2), valve cover (1), and valve spring (3). 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 replace the turbocharger if cracks are found on the turbocharger inlet flange partition wall (1). Replacement should only be performed if external leaks are present.
IMPORTANT:
Do not remove the PCV hose from the fitting as damage to the hose will occur.