Buick Regal 2018-2025 Service Manual / Engine / Firing Order and Cylinder Identification
Buick Regal: Firing Order and Cylinder Identification
NOTE: This information is intended as a quick reference for firing order and cylinder identification only. The information provided covers many vehicles and may include some information that does not apply to the vehicle you have currently selected.
3 CYLINDER ENGINE
4 CYLINDER ENGINE
5 CYLINDER ENGINE
IN-LINE 6 ENGINE
V6 ENGINE
3.5L VIN 4 V6 Engine
3.8L & 4.3L V6 Engines
All Other V6 Engines Except 3.5L (VIN 4), 3.8L & 4.3L
8 CYLINDER ENGINE
4.0L, 4.4L & 4.6L V8 Engines
5.0L, 5.7L (VIN R & VIN K) & 7.4L V8 Engines
6.6L Diesel V8 Engine
All Other V8 Engines Except 4.0L, 4.4L, 4.6L, 5.0L, 5.7L (VIN R & K), 7.4L & 6.6L
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Specifications, Schematic Wiring Diagrams
Specifications
FASTENER SPECIFICATIONS (OFF VEHICLE)
Single Use Non-Threaded Fasteners/Components
NOTE:
All fasteners/components listed in this table MUST BE DISCARDED and replaced
with NEW
after rem
SEE MORE:
DTC P0325, P0327, P0328, P0330, P0332, or P0333
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.
Diagnostic Procedure Instructions provides an overview of each
diagnostic category.
DTC Descriptors
D
Transfer Case Bracket Replacement (2.0L LTG)
Removal Procedure
1. Raise and support the vehicle. Lifting and Jacking the Vehicle.
NOTE: The drive shaft remains in the wheel hub.
2. Front Wheel Drive Half Shaft- Right Side@Transfer Case - Disconnect.
3.
Remove the 2 transfer case bracket to transfer case bolts (1).
4.
Transfer Case Bracket
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