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:
Fuel Rail and Injectors Cleaning and Inspection
Special Tools
EN-47909 Injector Bore and Sleeve Cleaning Kit
EN-49245 Fuel Injector Seal Install/Sizer
EN-50791 Fuel Injector Nozzle Installer
EN-51105 Fuel Injector Seal Installer
For equivalent regional tools, refer to Special Tools.
1.
Remove and inspect the fuel rail insulator assemblies
DTC B1287
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.
Refer to Diagnostic Procedure Instructions for an overview of each
diagnostic category.
DTC Descripto
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