Buick Regal 2018-2026 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:
Seat Adjustment
Manual Seats
Warning: You can lose control of the
vehicle if you try to adjust a driver
seat while the vehicle is moving.
Adjust the driver seat only when
the vehicle is not moving.
To adjust a manual seat:
1. Pull up on the handle at the
front of the seat.
2. Slide the seat to the desired
positi
Engine Coolant Fan Wiring Harness Replacement (2.0L LTG)
Removal Procedure
1. Front Bumper Fascia Center Support - Remove.
2.
Clip (2) - Remove.
3. Disconnect the electrical connector. (1).
4.
Clip (1) - Remove [2x].
5.
Clip (1) - Remove.
6. Engine Coolant Fan Electrical Connector (2) - Disconnect [2x].
7.
Clip (1) - Remove [2x].
8.
Ground Cabl
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