Buick Regal Owners & Service Manuals
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

Firing Order and Cylinder Identification

4 CYLINDER ENGINE

Firing Order and Cylinder Identification

5 CYLINDER ENGINE

Firing Order and Cylinder Identification

IN-LINE 6 ENGINE

Firing Order and Cylinder Identification

V6 ENGINE

3.5L VIN 4 V6 Engine

Firing Order and Cylinder Identification

3.8L & 4.3L V6 Engines

Firing Order and Cylinder Identification

All Other V6 Engines Except 3.5L (VIN 4), 3.8L & 4.3L

Firing Order and Cylinder Identification

8 CYLINDER ENGINE

4.0L, 4.4L & 4.6L V8 Engines

Firing Order and Cylinder Identification

5.0L, 5.7L (VIN R & VIN K) & 7.4L V8 Engines

Firing Order and Cylinder Identification

6.6L Diesel V8 Engine

Firing Order and Cylinder Identification

All Other V8 Engines Except 4.0L, 4.4L, 4.6L, 5.0L, 5.7L (VIN R & K), 7.4L & 6.6L

Firing Order and Cylinder Identification

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