EGR System Modification - California Vehicles

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Division: Automotive

Category: Technical
TSB No. TS 4-10 11080

Section Title: Engine
SUBJECT: EGR SYSTEM MODIFICATION (CALIFORNIA SPECIFICATION)

MODEL: SIDEKICK

YEAR: 1989 AND LATER


Beginning Vins: JS4TA01V( )K4104870 JS4TA01C( )K4107317

EARLY:

LATE:

This bulletin is to inform you that as of October 1988 production, there has been a modification to the EGR control system for Califomia specification Sidekicks. The early California specification features two EGR system circuits; one through a main EGR valve and the other through a sub EGR valve. This system was modified to an EGR control system that is virtually the same as that used in

Federal specification vehicles. To determine whether you have an early or late type vehicle late EGR system, visually check the intake manifold. As shown in the following illustrations, the early one is equipped with the Bimetallic Vacuum Switching Valve (BVSV) and the late is not. For service details on EGR system, refer to the Federal specification in the Sidekick Service Manual.



NOTE: Differences between Federal and Late California are:



PARTS SUPPLY DATA TABLE