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Sensors and Switches - Engine > < Intake Manifold|Specifications|Page 969
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Valve Guide Seal: Technical Service Bulletins
Engine - Valve Stem Oil Seal Modification

REF.:

ENGINE

NO.:

EN91-002

DATE:

FEBRUARY 15, 1991

MODEL: SV, ST, SW

VALVE STEM OIL SEAL MODIFICATION FOR 3S-FE AND 5S-FE ENGINES

To improve oil sealing, the design of the intake valve stem oil seal has been changed.

PRODUCTION EFFECTIVE

PART NUMBER INFORMATION:

Previous P/N

New P/N

Part Name

90913-02062

90913-02090

Seal, Valve Stem Oil
(for intake valve)

NOTE:
Previous and new parts are interchangeable.

Sensors and Switches - Engine > < Intake Manifold|Specifications|Page 969