2016 BUICK REGAL air filter

Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
9159380) - 2016 - CRC - 2/23/16
Vehicle Care 233
To inspect or replace the engine air
cleaner/filter:1. Open the hood. See Hood 0222.
2. Disconnect the outlet duct by loosening the air duct
clamp (2).
3. Disconnect the electrical connector (3).
4. Remove the screws (1) on top of the engine air cleaner/filter
housing.
5. Lift the filter cover housing away from the engine air
cleaner/filter housing.
6. Pull out the filter.
7. Inspect or replace the engine air cleaner/filter.
8. Reverse Steps 2-4 to reinstall the filter cover housing.{Warning
Operating the engine with the air
cleaner/filter off can cause you or
others to be burned. The air
cleaner not only cleans the air; it
helps to stop flames if the engine
backfires. Use caution when
working on the engine and do not
drive with the air cleaner/filter off.
Caution
If the air cleaner/filter is off, dirt
can easily get into the engine,
which could damage it. Always
have the air cleaner/filter in place
when you are driving.
Cooling System
The cooling system allows the
engine to maintain the correct
working temperature. When it is safe to lift the hood:
2.0L L4 Turbo Engine
1. Engine Cooling Fans (Out
of View)
2. Coolant Surge Tank and Pressure Cap

Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
9159380) - 2016 - CRC - 2/23/16
306 Service and Maintenance
Engine Oil Change
When the CHANGE ENGINE OIL
SOON message displays, have the
engine oil and filter changed within
the next 1 000 km/600 mi. If driven
under the best conditions, the
engine oil life system may not
indicate the need for vehicle service
for up to a year. The engine oil and
filter must be changed at least once
a year and the oil life system must
be reset. Your trained dealer
technician can perform this work.
If the engine oil life system is reset
accidentally, service the vehicle
within 5 000 km/3,000 mi since the
last service. Reset the oil life
system when the oil is changed.
SeeEngine Oil Life System 0230.
Tire Rotation and Required
Services Every 12 000 km/
7,500 mi
Rotate the tires, if recommended for
the vehicle, and perform the
following services. See Tire
Rotation 0267.
. Check engine oil level and oil
life percentage. If needed,
change engine oil and filter, and
reset oil life system. See Engine
Oil 0228 andEngine Oil Life
System 0230.
. Check engine coolant level. See
Engine Coolant 0235.
. Check windshield washer fluid
level. See Washer Fluid 0239. .
Visually inspect windshield wiper
blades for wear, cracking,
or contamination. See Exterior
Care 0295. Replace worn or
damaged wiper blades. See
Wiper Blade
Replacement 0244.
. Check tire inflation pressures.
See Tire Pressure 0261.
. Inspect tire wear. See Tire
Inspection 0267.
. Visually check for fluid leaks.
. Inspect engine air cleaner filter.
See Engine Air Cleaner/
Filter 0231.
. Inspect brake system. See
Exterior Care 0295.

Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
9159380) - 2016 - CRC - 2/23/16
308 Service and Maintenance
Maintenance Schedule
Additional Required
Services - Normal12 000 km/7,500 mi
24 000 km/15,000 mi
36 000 km/22,500 mi
48 000 km/30,000 mi
60 000 km/37,500 mi
72 000 km/45,000 mi
84 000 km/52,500 mi
96 000 km/60,000 mi
108 000 km/67,500 mi
120 000 km/75,000 mi
132 000 km/82,500 mi
144 000 km/90,000 mi
156 000 km/97,500 mi
168 000 km/105,000 mi 180 000 km/112,500 mi
192 000 km/120,000 mi
204 000 km/127,500 mi
216 000 km/135,000 mi
228 000 km/142,500 mi
240 000 km/150,000 mi
Rotate tires and perform Required Services.
Check engine oil level and oil life percentage.
Change engine oil and filter, if needed.@ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @
Replace passenger compartment air filter. (1)@ @@@@@
Inspect evaporative control system. (2)@ @@
Replace engine air cleaner filter. (3)@@@
Except 2.0L Engine: Replace spark plugs. Inspect
spark plug wires.@
2.0L Engine Only: Replace spark plugs. Inspect
spark plug wires.@ @
Drain and fill engine cooling system. (4)@
Except with eAssist: Visually inspect accessory
drive belts. (5)@
Vehicles with eAssist: Visually inspect accessory
drive belts. (5)@
Replace brake fluid. (6)

Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
9159380) - 2016 - CRC - 2/23/16
Service and Maintenance 309
Footnotes—Maintenance
Schedule Additional Required
Services - Normal
(1) Or every two years, whichever
comes first. More frequent
passenger compartment air filter
replacement may be needed if
driving in areas with heavy traffic,
poor air quality, high dust levels,
or environmental allergens.
Passenger compartment air filter
replacement may also be needed if
there is reduced airflow, window
fogging, or odors. Your GM dealer
can help determine when to replace
the filter. (2)
Check all fuel and vapor lines
and hoses for proper hook-up,
routing, and condition.
(3) Or every four years, whichever
comes first. If driving in dusty
conditions, inspect the filter at each
oil change or more often as needed.
(4) Or every five years, whichever
comes first. See Cooling
System 0233. (5)
Or every 10 years, whichever
comes first. Inspect for fraying,
excessive cracking, or damage;
replace, if needed.
(6) Replace brake fluid every five
years. See Brake Fluid 0240.

Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
9159380) - 2016 - CRC - 2/23/16
310 Service and Maintenance
Maintenance Schedule
Additional Required
Services - Severe12 000 km/7,500 mi
24 000 km/15,000 mi
36 000 km/22,500 mi
48 000 km/30,000 mi
60 000 km/37,500 mi
72 000 km/45,000 mi
84 000 km/52,500 mi
96 000 km/60,000 mi
108 000 km/67,500 mi
120 000 km/75,000 mi
132 000 km/82,500 mi
144 000 km/90,000 mi
156 000 km/97,500 mi
168 000 km/105,000 mi 180 000 km/112,500 mi
192 000 km/120,000 mi
204 000 km/127,500 mi
216 000 km/135,000 mi
228 000 km/142,500 mi
240 000 km/150,000 mi
Rotate tires and perform Required Services.
Check engine oil level and oil life percentage.
Change engine oil and filter, if needed.@ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @
Replace passenger compartment air filter. (1)@ @@@@@
Inspect evaporative control system. (2)@ @@
Replace engine air cleaner filter. (3)@@@
Change automatic transmission fluid.@@@
Except 2.0L Engine: Replace spark plugs. Inspect
spark plug wires.@
2.0L Engine Only: Replace spark plugs. Inspect
spark plug wires.@ @
Drain and fill engine cooling system. (4)@
Except with eAssist: Visually inspect accessory
drive belts. (5)@
Vehicles with eAssist: Visually inspect accessory
drive belts. (5)@
Replace brake fluid. (6)

Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
9159380) - 2016 - CRC - 2/23/16
Service and Maintenance 311
Footnotes—Maintenance
Schedule Additional Required
Services - Severe
(1) Or every two years, whichever
comes first. More frequent
passenger compartment air filter
replacement may be needed if
driving in areas with heavy traffic,
poor air quality, high dust levels,
or environmental allergens.
Passenger compartment air filter
replacement may also be needed if
there is reduced airflow, window
fogging, or odors. Your GM dealer
can help determine when to replace
the filter.
(2) Check all fuel and vapor lines
and hoses for proper hook-up,
routing, and condition. (3)
Or every four years, whichever
comes first. If driving in dusty
conditions, inspect the filter at each
oil change or more often as needed.
(4) Or every five years, whichever
comes first. See Cooling
System 0233.
(5) Or every 10 years, whichever
comes first. Inspect for fraying,
excessive cracking, or damage;
replace, if needed.
(6) Replace brake fluid every five
years. See Brake Fluid 0240.Special Application
Services
.
Severe Commercial Use
Vehicles Only: Lubricate chassis
components every 5 000 km/
3,000 mi.
. Have underbody flushing service
performed. See "Underbody
Maintenance" in Exterior
Care 0295.

Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
9159380) - 2016 - CRC - 2/23/16
316 Service and Maintenance
Maintenance Replacement Parts
Replacement parts identified below by name, part number, or specification can be obtained from your dealer.Part GM Part Number ACDelco Part Number
Engine Air Cleaner/Filter 55560894 A3128C
Engine Oil Filter
2.0L L4 Engine 12640445 PF64
2.4L L4 Engine 12605566 PF457G
Passenger Compartment Air Filter Element 13356914 CF184
Spark Plugs
2.0L L4 Engine 12647827 41–125
2.4L L4 Engine 12620540 41–108
Wiper Blades
Driver Side –60.0 cm (23.62 in) 13227404 —
Passenger Side –45.0 cm (17.7 in) 13227405 —

Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
9159380) - 2016 - CRC - 2/23/16
Technical Data 319
Vehicle Data
Capacities and Specifications
ApplicationCapacities
Metric English
Air Conditioning Refrigerant For the air conditioning system refrigerant type and charge amount, see the refrigerant label under thehood. See your dealer for more information.
Engine Cooling System 2.0L L4 Engine 7.4 L 7.8 qt
2.4L L4 Engine (LEA) 7.1 L 7.5 qt
2.4L L4 Engine (LUK) 9.6 L 10.1 qt
Engine Oil with Filter 2.0L L4 Engine (FWD) 4.7 L 5.0 qt
2.0L L4 Engine (AWD) 5.7 L 6.0 qt
2.4L L4 Engine 4.7 L 5.0 qt
Fuel Tank 2.0L L4 Engine (FWD) 70.4 L 18.6 gal
2.0L L4 Engine (AWD) 74.0 L 19.5 gal
2.4L L4 Engine (LEA) 70.4 L 18.6 gal