Engine - New Piston Ring Reduces Oil Consumption

88toyota06

REFERENCE: ENGINE
NUMBER: 019
DATE: 05-27-88
MODEL: SV2#, ST6#
TITLE OIL CONSUMPTION


To reduce oil consumption on 3S-GE and 3S-FE engines the piston ring design has been changed. See details below.

3S-GE Piston Ring Set

1. Oil Ring Side Rail
a. End Gap Reduced
b. Sealing Tension Increased

2. No. 2 Compression Ring
a. End Gap Increased



3S-FE Piston Ring Set

1. Oil Ring Side Rail
a. End Gap Reduced



PART NUMBER INFORMATION
PRODUCTION EFFECTIVE

Engine Starting Engine Number Date

3S-GE 3S-0442302 August, 1987
3S-FE 3S-0536228 November, 1987


FIELD FIX INFORMATION

The new piston ring set can be used as a field fix for oil consumption on pre-production changed vehicles.


INTERCHANGEABILITY

The new parts are interchangeable with the previous parts.