Tires/Wheels - Smooth Road Vibration/Shake/Wobble.: Overview

NUMBER: 22-03-99

GROUP: Wheels & Tires

DATE: April 23, 1999

THIS BULLETIN SUPERSEDES TECHNICAL SERVICE BULLETIN 22-02-94 REV. A, DATED OCT. 21, 1994, WHICH SHOULD BE REMOVED FROM YOUR FILES AND NOTED IN THE 1994 SERVICE BULLETIN MANUAL (PUBLICATION NO.81-699-95054). THIS IS A COMPLETE REVISION AND NO **ASTERISKS** ARE USED TO HIGHLIGHT THE CHANGES.

SUBJECT:
Smooth Road Vibration/Shake/Wobble

OVERVIEW:

This bulletin involves diagnosis and correction information for vehicles with a smooth road high-speed vibration or shake condition.

Low-speed
Lateral wobble of the body and/or steering wheel at speeds less than 35 mph (56 kph) is addressed by TSB 22-02-99.

Mid-speed
Steering wheel/seat cyclic vibration (33-35 mph (53-56 kph)) on vehicles equipped with 3.0L engine and 31TH transaxle is addressed by TSB 19-04-97.

High-speed
Vibration is characterized by vibration in the seat, floor, instrument panel, and/or steering wheel at speeds greater than 60 mph (97 kph).

MODELS:
1992 - 1995 (AS) Town & Country/Caravan/Voyager
1993 - 1995 (ES) Chrysler Voyager (European Market)
1996 - 1999 (NS) Town & Country/Caravan/Voyager
1996 - 1999 (GS) Chrysler Voyager (International Market)

EQUIPMENT REQUIRED:

Tire & Wheel Runout Gauge (PSE # HE490 or equivalent recommended)
Off Car Tire & Wheel Balancer (PSE # H-GSP9702DDR or equivalent recommended)
On Car Tire & Wheel Balancer (Hoffman Finishbalancer or equivalent recommended)
Dial Indicator
2-3 In. Micrometer
Dial Caliper

POLICY: Information Only