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
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Specifications
DIMENSIONS - BODY (ENCORE)
Point-to-point measurements are for reference only. All measurements are
given in millimeters. Use these
measurements for diagnosing and estimating. Point-to-point measurements are
duplicated with tram bar pointers
set at equal lengths. All die marks, holes, slots, and f
Description and operation
Dual phase steel
This information provides repair recommendations and general guidelines for
steel classified as Dual Phase
Steel (dual phase steel with a tensile strength up to and including 800 MPa),
also known as DP.
General Motors recommends the following when repairing or replacing this type
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