Chevrolet Trax: Diagnostic information and procedures
Chevrolet Trax (2013-2022) Workshop Manual / Brakes / Drum Brakes / Diagnostic information and procedures
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Brake drum diameter measurement
SPECIFICATIONS
FASTENER TIGHTENING SPECIFICATIONS
Fastener Tightening Specifications
DRUM BRAKE COMPONENT SPECIFICATIONS
Drum Brake Component Specifications
DIAGNOSTIC INFORMATION AND PROCEDURES
B
Drum brake hardware inspection
Fig. 4: Drum Brake Hardware
WARNING: Refer to Brake Dust Warning .
Visually inspect the drum brake upper return spring (1) for the
following conditions:
Excessive corrosion
Excessive stretch
SEE MORE:
DTC B3881 OR B3882
Diagnostic Instructions
Perform the Diagnostic System Check - Vehicle prior to using this
diagnostic procedure.
Review Strategy Based Diagnosis for an overview of the diagnostic
approach.
Diagnostic Procedure Instructions provides an overview of each
diagnostic category
DTC Descriptors
DT
Description and operation
DRUM BRAKE SYSTEM DESCRIPTION AND OPERATION
System Component Description
The drum brake system consists of the following:
Drum Brake Shoes
Applies mechanical output force, from hydraulic brake wheel cylinders, to
friction surfaces of brake
drums.
Brake Drums
Uses mechanical output force applied to
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