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:
DTC P0729-P0735, P076F, or P07D9
Diagnostic Instructions
Perform the Diagnostic System Check prior to using this diagnostic
procedure: Refer to Diagnostic System
Check - Vehicle
Review the description of Strategy Based Diagnosis:Strategy Based
Diagnosis
An overview of each diagnostic category can be found here: Refer to
Cargo Cover
Warning:
An unsecured cargo cover could
strike people in a sudden stop or
turn, or in a crash. Store the
cargo cover securely or remove it
from the vehicle.
Warning:
Do not place objects on the cargo
cover. Sudden stops or turns can
cause objects to be thrown in the
vehicle. You or others could be
i
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