Buick Regal 2018-2025 Service Manual / HVAC & Restraints / Seat Belts / Diagnostic Information and Procedures
Buick Regal: Diagnostic Information and Procedures
READ NEXT:
DTC B0072 or B0073
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.
Diag
DTC B0075-B0077
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.
Diag
Symptoms - Seat Belts
NOTE: Review the seat belt system description and operation in order to
familiarize yourself with the system and how it functions.
Visual/Physical Inspection
Inspect for aftermarket devices which co
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Intake Manifold Installation
Special Tools
EN-45059 Angle Meter
EN-50790 HP Fuel Pump Installation Alignment Gauge
For equivalent regional tools, refer to Special Tools.
1.
Install a NEW gasket (1) on the intake manifold (3). Install the intake
manifold and hand start the intake
manifold bolts (2, 4).
2.
CAUTION: Refer
Radiator Cleaning
WARNING: NEVER spray water on a hot heat exchanger. The resulting steam
could
cause personal injury.
CAUTION: The heat exchanger fins are necessary for good heat transfer.
Do not brush
the fins. This may cause damage to the fins, reducing heat transfer.
NOTE: Remove bugs, leaves, dirt and other de
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