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:
Cylinder Head Assemble
Special Tools
EN-50717 Valve Spring Compressor
EN-9666 Valve Spring Tester
EN-43963 Valve Spring Compressor (off car)
For equivalent regional tools, refer to Special Tools.
1.
CAUTION: Refer to Component Fastener Tightening Caution.
CAUTION: In order to avoid damage, install the spark plugs af
All-Wheel Drive
Transfer Case
Under normal driving conditions,
transfer case fluid does not require
maintenance unless there is a fluid
leak or unusual noise. If required,
have the transfer case serviced by
your dealer.
Starter Switch Check
Warning:
When you are doing this
inspection, the vehicle could
move suddenl
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