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:
Oil Pan Cleaning and Inspection
Preliminary Procedure
1. Ensure proper use of room temperature
vulcanizing (RTV) sealant.
2. Thoroughly clean the oil pans and mating surfaces. Inspect each component,
O-rings, and fasteners, and replace as necessary.
3. Remove all sludge and oil deposits.
4. Inspect the oil pan for cracking nea
Forward Range Radar Module Inspection
Inspection Procedure
1.
CONTROL MODULE DTC CHECK - Using a scan tool, perform the Vehicle DTC
Information function - Verify there are no current control module DTCs set. If
any DTC is set, refer to Diagnostic Trouble Code (DTC) List - Vehicle.
2. Check the alignment of the forward range radar mod
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