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Subaru TSB #02-115-11R
2011 Subaru Impreza
TSB Document:
Affected Component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
- Summary
- IF YOU ENCOUNTER A CUSTOMER COMPLAINT CONCERNING WHITE SMOKE FROM THE EXHAUST PIPE AND/OR HIGH OIL CONSUMPTION, IT MAY BE THE RESULT OF THE #1 AND/OR #4 INTAKE VALVE GUIDE INSERTION HOLE IMPROPERLY MACHINED, PERMITTING OIL TO ENTER THE COMBUSTION CHAMBER. TO REMEDY THIS CONDITION, THE CYLINDER HEAD(S) WILL NEED TO BE REPLACED. PLEASE READ THIS BULLETIN IN ITS ENTIRETY BEFORE PROCEEDING.
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