PCV Valve Thread Sealant Change – 2017-2018 Subaru Impreza & Crosstrek

NHTSA ID Number: 10154421

Manufacturer Communication Number: 11-189-19

Summary

This Service Information bulletin announces a change to the required thread sealer used when installing the PCV valve into the engine block. The previously used material may solidify and cause damage to the engine block threads during PCV valve removal.

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Control Valve Assembly- Design Change – 2010-2017 Subaru

NHTSA ID Number: 10154423

Manufacturer Communication Number: 16-119-19

Summary

This Service Information bulletin announces availability of a new control valve assembly (valve body) designed to prevent false detection of DTC P0841 and / or illumination of the AT Temp light. Testing has revealed in some limited cases, air bubbles (aerated fluid) may enter certain pressure circuits within the control valve assembly causing fluid pressure control and adjustment to be calculated incorrectly resulting in DTC P0841. The shape of these circuits has been changed to prevent this occurrence.

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Valve Spring Information – 2013-2019 Subaru BRZ

NHTSA ID Number: 10154424

Manufacturer Communication Number: 02-133-12R

Summary

The purpose of this bulletin is to clarify the proper installation direction of the valve springs used on the FA engine. The springs have a light blue paint mark identifier as shown in the chart below.

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Valve Spring Change to FB Engine – 2011-2017 Subaru

NHTSA ID Number: 10154425

Manufacturer Communication Number: 02-134-12R

Summary

The purpose of this bulletin is to announce a change to the specification of the valve springs used in the FB engine. The new springs have different color paint marks to help identify their application.

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Instrument Panel Cover Peeling – 2017-2018 Subaru BRZ

NHTSA ID Number: 10154426

Manufacturer Communication Number: 12-257-19

Summary

This bulletin announces manufacturing process changes made to address small number of cases where the cover (outer skin) of the visor above the combination meter and / or the center panel in the area just above the audio unit has begun to peel. The peeling condition can result from extended periods of exposure to sunlight and the related temperature variations.

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