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
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:
Special Tools
EL-35616 Terminal Test Probe Kit
For equivalent regional tools, refer to Special Tools.
When the condition is not currently present, but is indicated in DTC history,
the cause may be intermittent.
An intermittent may also be the cause when there is a customer complaint, but
the symp
Diagnostic Instructions
Perform the Diagnostic System Check prior to using this diagnostic
procedure: Diagnostic
System Check - Vehicle
Review the description of Strategy Based Diagnosis:Strategy Based
Diagnosis
An overview of each diagnostic category can be found here: Diagnostic
Procedu