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:
Instrument Panel Compartment Door Lock Cylinder Coding
The internal lock cylinder only uses 4 of the 8 cut positions, 5 - 8. The
tumbler positions are on both
sides, are not self-retaining, and are not snap in.
1.
NOTE: All lock cylinders for side milled keys have right and left
tumblers.
The location of the tooth of the tumbler determines whether i
Electronic Ignition System Description
The electronic ignition system produces and controls a high-energy secondary
spark. This spark is used
to ignite the compressed air/fuel mixture at precisely the correct time. This
provides optimal
performance, fuel economy, and control of exhaust emissions. This ignition
system uses an individua
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