Buick Encore: Vibration Diagnosis and Correction
Buick Encore 2012-2019 Service Manual / General Information & Maintenance / Vibration Diagnosis and Correction
- Diagnostic information and procedures
- Vibration analysis - road testing (EL-38792-A ELECTRONIC VIBRATION ANALYZER)
- Vibration analysis - hub and/or axle input
- Vibration analysis - engine/accessory isolation
- Vibration diagnostic aids
- Brake rotor/drum balance inspection
- Repair instructions
- Description and operation
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Diagnostic information and procedures
SPECIFICATIONS
TIRE AND WHEEL RUNOUT SPECIFICATIONS
Tire and Wheel Runout Specifications
DIAGNOSTIC INFORMATION AND PROCEDURES
VIBRATION DIAGNOSIS, STARTING POINT, AND CORRECTION
The information con
Vibration analysis - road testing (EL-38792-A ELECTRONIC VIBRATION ANALYZER)
Test Description
The numbers below refer to the step numbers on the diagnostic table.
5
Obtaining rotational speed for the components rotating at tire/wheel speed is
critical to systematically
elimin
Vibration analysis - hub and/or axle input
Test Description
The numbers below refer to the step numbers on the diagnostic table:
2
This test will determine the effect of turning input on the vibration.
6
This test will determine the effect of
SEE MORE:
Active Noise Cancellation
SCHEMATIC WIRING DIAGRAMS
ACTIVE NOISE SYSTEM CANCELLATION WIRING SCHEMATICS (ENCORE)
Active Noise Cancellation (NKC)
Fig. 1: Active Noise Cancellation (NKC)
DIAGNOSTIC INFORMATION AND PROCEDURES
ACTIVE NOISE CANCELLATION MALFUNCTION
Diagnostic Instructions
Perform the Diagnostic System Check -
Taillamps, Turn Signal, Sidemarker, Stoplamps, and Back-Up Lamps
Taillamp Assembly
The vehicle has halogen turn signal
lamps and back-up lamps, LED tail/
stoplamps, and a sidemarker lamp
on the taillamp assembly.
Driver Side
Remove the cover and screws
attaching the panel to the
vehicle interior. Remove the
panel.
Remove the cover.
Passenger Side
R
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