Affected Component: FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP

Date Published
FEB 09, 2015
NHTSA TSB #
10083818
TSB Document
  • Sorry, the NHTSA has not posted this TSB document yet.

You can still get the detailed info from Subaru for this TSB. Call your local Subaru dealer's service department & ask for a copy of TSB# 09-54-12R.

Summary
THE PURPOSE OF THIS BULLETIN IS TO PROVIDE INFORMATION REGARDING A HIGH-PITCHED “CHIRP”, “SQUEAK” OR “CRICKET” SOUND YOU MAY HEAR COMING FROM THE ENGINE’S HIGH-PRESSURE FUEL PUMP. NOT ALL PUMPS MAY EXHIBIT THIS CONDITION. SOME MAY HAVE INTERNAL COMPONENTS WHICH IN COMBINATION WITH CERTAIN FUEL TEMPERATURES OR FUEL FORMULATIONS, MAY RESULT IN AERATION OF THE FUEL WITHIN THE BODY OF THE PUMP AND CAUSE THIS SOUND WHEN THE ENGINE IS IDLING. THIS RESULT IS NON-DETRIMENTAL TO THE FUEL SYSTEM OR ENGINE.