Buick Regal 2018-2025 Service Manual / General Information / Waterleaks
Buick Regal: Waterleaks
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Diagnostic Information and Procedures
WATERLEAK TEST PREPARATION
GM vehicles are designed to operate under normal environmental
conditions.
The design criteria for sealing materials and components takes into
consideration the seali
Repair Instructions
BODY WATERLEAK REPAIR
WARNING: If the vehicle interior is exposed to moisture and becomes
soaked up to
the level of the sensing and diagnostic module (SDM), the SDM and SDM
harness connector must be
SEE MORE:
Wheel Stud Replacement
Special Tools
CH-43631 Ball Joint Separator
Equivalent regional tools:Special Tools
Removal Procedure
1. Front Wheel Bearing and Hub Assembly - Remove.
2.
Use the CH-43631 separator (1) to remove the wheel stud (2) from the flange
on the hub assembly and
DISCARD.
Installation Procedure
1.
Positi
DTC B0081 (Passenger Presence Module)
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
D
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