Buick Regal 2018-2026 Service Manual / Engine / Engine Mechanical - 2.0L (LTG) / Description and Operation
Buick Regal: Description and Operation
- Turbocharger System Description
- Crankcase Ventilation System Description
- Engine Component Description
- Use of Room Temperature Vulcanizing (RTV) and Anaerobic Sealant
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Turbocharger System Description
Turbocharger Description and Operation
A turbocharger is a compressor that is used to increase the power output of
an engine by increasing the mass of the
oxygen and therefore the fuel entering the e
Crankcase Ventilation System Description
General Description
A crankcase ventilation system is used to consume crankcase vapors in the
combustion process instead of venting
them to atmosphere. Fresh air from the intake system is supplied to
Engine Component Description
Engine Description
Cylinder Block
The cylinder block is constructed of aluminum alloy by precision
sand-casting. The block has 5 crankshaft bearings
with the thrust bearing located on the second bear
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Exterior Lamp Controls
The exterior lamp control is on the
instrument panel to the left of the
steering column.
There are four positions.
: Turns the exterior lamps off and
deactivates the AUTO mode. Turn
to again to reactivate the
AUTO mode.
In Canada, the headlamps will
automatically reactivate when the
vehicle is
DTC P0973 or P0974
Diagnostic Instructions
Perform the Diagnostic System Check prior to using this diagnostic
procedure: Refer to Diagnostic System
Check - Vehicle
Review the description of Strategy Based Diagnosis: refer to Strategy
Based Diagnosis
An overview of each diagnostic category can be found here: r
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