Knocking

Front Stabilizer Bushing- Design Change Knocking / Squeaking Sound – 2013-2022 Subaru

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NHTSA ID Number: 10225740 Manufacturer Communication Number: 5-88-21R Summary This bulletin announces a design change made to the front stabilizer bushings.   NUMBER: 05-88-21 DATE: 12/21/21 REVISED: 10/03/22 APPLICABILITY: 2014-22MY Forester 2013-21MY Crosstrek 2015-21MY WRX 2015-2019MY Legacy 2015-22MY Outback 2019-22MY Ascent 2017-22MY Impreza SUBJECT: Front Stabilizer Bushing- Design Change Knocking / Squeaking Sound   INTRODUCTION: This bulletin … Read more

Cleaning Procedure for Carbon Deposit Removal to Address Engine Misfire DTCs, Black Smoke from the Exhaust, Lack of Power, Knocking (Ping) and / or Rough Idle Concerns – 2014-2022 Subaru

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NHTSA ID Number: 10222368 Manufacturer Communication Number: 09-74-21R Summary This bulletin provides updated parts information and a service procedure to follow for removing accumulated carbon deposits from fuel injectors and internal engine components.   NUMBER: 09-74-21R DATE:  05/06/21 REVISED: 09/27/22 APPLICABILITY: 2020-22MY Legacy and Outback 2.5L NA and 2.4L DIT 2018-22MY Crosstrek 2017-22MY Impreza 2019-22MY Forester 2.5 … Read more

Knocking -Type Sound from Engine Compartment – 2020 Subaru BRZts / Tuned by STI Model

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2020 Subaru BRZ

NHTSA ID Number: 10174544 Manufacturer Communication Number: 05-74-20 Summary This bulletin provides a service procedure to address a small number of customer concerns regarding a knocking type sound coming from the engine compartment when going over bumps at low speed.   NUMBER: 05-74-20 DATE: 04/30/20 APPLICABILITY: 2020MY BRZts / Tuned by STI Model SUBJECT: Knocking -Type Sound … Read more