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.

 

4 Affected Products

Vehicles

MAKE	MODEL	YEAR
SUBARU	CROSSTREK	2017-2018
SUBARU	IMPREZA	2017-2018

 

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INTRODUCTION:

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.

 

PRODUCTION CHANGE INFORMATION:

A production change to utilize the new sealer was made per the table below:

Model	Starting VIN	Applicability
Impreza	J3616859	4-Door
	J3735708	5-Door
Crosstrek	JH329903	4-Door

 

PART INFORMATION:

The new sealer is ThreeBond 1217H, SOA868V9610 (or equivalent as listed in the Recommended Materials TSB 01-167-08R).

SERVICE PROCEDURE / INFORMATION:

REMINDER:  Customer satisfaction and retention starts with performing quality repairs.

Aside from the sealer recommendation, the service procedures for replacing the PCV valve remain unchanged.  Always refer to the applicable Service Manual and review the full requirements of the repair being performed.  The Service Manual procedures contain information critical to performing an effective repair the first time and every time.  This includes but is not limited to: important SAFETY precautions, proper inspection criteria, necessary special tools, required processes and related one-time-use parts needed for a complete and lasting repair.

 

NOTES:

• Always clean the threads of the new PCV valve before applying sealer (along with the mating surface of the cylinder block where applicable).
• If the threads in the block are damaged and not serviceable, shortblock replacement will be required.
• If the threads are serviceable, always use proper precautions when cleaning them to prevent debris entering the engine assembly.
• Torque the new PCV valve to 23 Nm (17.0 ft. lbs.).

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NUMBER: 11-189-19
DATE: 01/25/19

https://www.nhtsa.gov/recalls?nhtsaId=10154421

https://static.nhtsa.gov/odi/tsbs/2019/MC-10154421-9999.pdf

 

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