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:
Current waveform samples
NOTE: This is GENERAL information. This article is not intended to
be specific to any
unique situation or individual vehicle configuration. For model-specific
information see appropriate articles where available.
EXAMPLE #1 - VOLTAGE CONTROLLED DRIVER
The waveform pattern shown in Fig. Fig. 4 indic
Paint and Coatings - Repair instructions
Clearcoat repair without repainting
Repair Procedure
Thoroughly wash the repair area with Liquid Wash and Wax GM P/N 1052870
or the equivalent.
Environmental damage may be corrected. Refer to Environmental Fallout (Acid
Rain), or Rail Dust
Damage Repair.
IMPORTANT: Follow all of the instruc
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