Buick Regal 2018-2026 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:
Evaporative Emission System Diagnosis
Special Tools
CH-44284-2 Fuel Flapper Door Holder
EN-41413-VLV EVAP Service Port Vent Fitting
GE-41415-60 Engine Induction System Leak Test Adapter/Capless Fuel Fill
Adapter
Operating Instructions for the Evaporative Emission System Tester
Vehicle Setup
WARNING: Refer to Fuel and Evaporative
DTC B097D
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 Descriptor
DT
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