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:
Turbocharger replacement
Turbocharger replacement - Removal Procedure
Special Tools
EN-49942 Holding Wrench
For equivalent regional tools, refer to Special Tools.
Removal Procedure
Disconnect battery negative cable. Refer to Battery Negative Cable
Disconnection and Connection .
Drain the cooling system. Refer to Coolin
Repair instructions
Odor correction
Eliminating Air Conditioning Odor
Odors may be emitted from the air conditioning system primarily at start
up in hot, humid climates. The
following conditions may cause the odor:
Debris is present in the HVAC module assembly.
Microbial growth on the evaporator core.
When
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