Engine MAZDA MODEL 6 SPORT WAGON 2006 Manual PDF

Black plate (282,1)
Owner Maintenance Precautions
Improper or incomplete service may result in problems. This section gives instructions only
for items that are easy to perform.
As explained in the Introduction (page 8-2), several procedures can be done only by a
qualified service technician with special tools.
Improper owner maintenance during the warranty period may affect warranty coverage.
For details, read the separate Mazda Warranty statement provided with the vehicle. If
you're unsure about any servicing or maintenance procedure, have it done by an
Authorized Mazda Dealer.
There are strict environmental laws regarding the disposal of waste oil and fluids. Please
dispose of your waste properly and with due regard to the environment.
We recommend that you entrust the oil and fluid changes of your vehicle to an Authorized
Mazda Dealer.
WARNING
Maintenance Procedures:
Performing maintenance work on a vehicle is dangerous if not done properly. You can
be seriously injured while performing some maintenance procedures. If you lack
sufficient knowledge and experience or the proper tools and equipment to do the work,
have it done by a qualified technician.
Running the Engine:
Working under the hood with the engine running is dangerous. It becomes even more
dangerous when you wear jewelry or loose clothing.
Either can become entangled in moving parts and result in injury.
Therefore, if you must run the engine while working under the hood, make certain
that you remove all jewelry (especially rings, bracelets, watches, and necklaces) and
all neckties, scarves, and similar loose clothing before getting near the engine or
cooling fan which may turn on unexpectedly.
Electrical Fan and Engine Inspection:
Inspecting the engine with the ignition switch in the ON position is dangerous. The
cooling fan could come on unexpectedly even when the engine isn't running. You
could be seriously injured by the fan. Turn the ignition switch off and remove the key
from the ignition switch when you inspect the engine.
8-16
Maintenance and Care
Owner Maintenance
Mazda6_8V40-EA-05L_Edition1 Page282
Monday, November 28 2005 6:11 PM
Form No.8V40-EA-05L

Black plate (283,1)
Engine Compartment Overview
Power steering
fluid reservoirWindshield washer
fluid reservoir
Fuse block
Air filter
Brake/Clutch fluid reservoir
Engine coolant
reservoir
Engine coolant
reservoir Automatic transaxle fluid-level dipstick
(only for automatic transaxle) Automatic transaxle fluid-level dipstick
(only for automatic transaxle)
2.3-liter engine
3.0-liter engine Battery
Engine oil dipstick
Windshield washer
fluid reservoir Power steering
fluid reservoir
Cooling system cap Engine oil-filler cap
Brake/Clutch fluid reservoir
Air filter Fuse blockBattery
Engine oil-filler cap
Engine oil dipstick Cooling system cap
Maintenance and Care
Owner Maintenance
8-17
Mazda6_8V40-EA-05L_Edition1 Page283
Monday, November 28 2005 6:11 PM
Form No.8V40-EA-05L

Black plate (284,1)
Engine Oil
qRecommended Oil
Use SAE 5W-20 engine oil.
Oil container labels provide important
information.
A chief contribution this type of oil makes
to fuel economy is reducing the amount of
fuel necessary to overcome engine
friction.
U.S.A. and CANADA
(ILSAC)
Only use oils “Certified For Gasoline
Engines ”by the American Petroleum
Institute (API). An oil with this trademark
symbol conforms to the current engine
and emission system protection standards
and fuel economy requirements of the
International Lubricant Standardization
and Approval Committee (ILSAC),
comprised of U.S. and Japanese
automobile manufacturers.
5W-20
120
100
80
60
40
20
0
–20
5040
30
20
10
0
–10
–20
–30
Except U.S.A. and CANADA
(ILSAC)
8-18
Maintenance and Care
Owner Maintenance
Mazda6_8V40-EA-05L_Edition1 Page284
Monday, November 28 2005 6:11 PM
Form No.8V40-EA-05L

Black plate (285,1)
The quality designation SL, or ILSAC
must be on the label.
5W-20
120
100
80
60
40
20
0
–20
5040
30
20
10
0
–10
–20
–30
q
Inspecting Engine Oil Level
1. Be sure the vehicle is on a level
surface.
2. Warm up the engine to normal operating temperature.
3. Turn it off and wait at least 5 minutes for the oil to return to the oil pan.
4. Pull out the dipstick, wipe it clean, and reinsert it fully.
Full
LowOK
2.3-liter engine
3.0-liter engine
Full
OK
Low
5. Pull it out again and examine the level.It's OK between Low and Full.
But if it's near or below Low, add
enough oil to bring the level to Full.
CAUTION
Don't add engine oil over Full. This
may cause engine damage.
6. Make sure the O-ring on the dipstick is positioned properly before reinserting
the dipstick.
qChanging Engine Oil and Filter
Change engine oil and filter according to
Scheduled Maintenance (page 8-3).
Please act responsibly ―protect the
environment and take used oil to a
recycling facility. Ask your dealer or a
service station for information.
Maintenance and Care
Owner Maintenance
8-19
Mazda6_8V40-EA-05L_Edition1 Page285
Monday, November 28 2005 6:11 PM
Form No.8V40-EA-05L

Black plate (286,1)
WARNING
Handling Used Engine Oil:
Continuous contact with used engine
oil is dangerous. It could cause skin
cancer. Always wash with soap and
water immediately after changing oil
and filter.
CAUTION
Remove any oil splatter from the
exhaust manifold, the exhaust pipe and
the shield. Oil left on these areas will
smoke when the engine is running.
Changing engine oil
WARNING
Checking or Changing Engine Oil:
Hot engine oil is dangerous. If the
engine has been running, the engine
oil becomes very hot. You could be
seriously burned. Don't check or
change the engine oil when the engine
is hot.
1. Warm up the engine for a few minutes and turn it off. Remove the oil-filler
cap.
2. Remove the drain plug and drain the oil into a suitable container.
3. Replace the drain plug washer after the oil has thoroughly drained.
4. Reinstall the plug tightly.
5. Fill the engine with new oil to the Full mark on the dipstick. 6. Securely reinstall the oil-filler cap.
2.3-liter engine
LoosenTighten
Drain plug
Forward
Drain plug
Forward Loosen
Tighten
3.0-liter engine
7. Start the engine and inspect around the
drain plug for leaks.
8. Turn it off and wait 5 minutes for the oil to return to the oil pan.
Check the oil level and fill to the Full
mark if necessary.
2.3-liter engine
With oil filter replacement
Oil capacity (reference only)
L (US qt, Imp qt) 4.3 (4.5, 3.8)
Without oil filter replacement
Oil capacity (reference only)
L (US qt, Imp qt) 3.9 (4.1, 3.4)
8-20
Maintenance and Care
Owner Maintenance
Mazda6_8V40-EA-05L_Edition1 Page286
Monday, November 28 2005 6:11 PM
Form No.8V40-EA-05L

Black plate (287,1)
3.0-liter engine
With oil filter replacementOil capacity (reference only)
L (US qt, Imp qt) 5.7 (6.0, 5.0)
Without oil filter replacement
Oil capacity (reference only)
L (US qt, Imp qt) 5.2 (5.5, 4.6)
NOTE
lThe indicated engine oil capacities
are for general reference purposes
only. When adding or changing oil,
verify the engine oil level with the
oil dipstick.
lUse only specified engine oil (page
10-4).
Changing oil filter
Because you need a special tool to
retighten the filter, an Authorized Mazda
Dealer should do the work.
Engine Coolant
q Inspecting Coolant Level
WARNING
Hot Engine:
A hot engine is dangerous. If the
engine has been running, parts of the
engine compartment can become very
hot. You could be burned. Carefully
inspect the engine coolant in the
coolant reservoir, but do not open it.
Do not use a match or live flame in the
engine compartment. DO NOT ADD
COOLANT WHEN THE ENGINE IS
HOT.
Cooling Fan and EngineInspection:
Inspecting the engine with the ignition
switch in the ON position is
dangerous. The cooling fan could turn
on unexpectedly even when the engine
isn't running. You could be seriously
injured by the fan. Turn the ignition
switch off and remove the key from the
ignition switch when you inspect the
engine.
Cooling System Cap:
When the engine and radiator are hot,
scalding coolant and steam may shoot
out under pressure and cause serious
injury. Don't remove the cooling
system cap when the engine and
radiator are hot.
Maintenance and Care
Owner Maintenance
8-21
Mazda6_8V40-EA-05L_Edition1 Page287
Monday, November 28 2005 6:11 PM
Form No.8V40-EA-05L

Black plate (288,1)
Inspect the antifreeze protection and
coolant level in the coolant reservoir at
least once a year―at the beginning of the
winter season ―and before traveling
where temperatures may drop below
freezing.
Inspect the condition and connections of
all cooling system and heater hoses.
Replace any that are swollen or
deteriorated.
The coolant should be at full in the
radiator and between the FULL or F and
LOW or L marks on the coolant reservoir
when the engine is cool.
2.3-liter engine
3.0-liter engine
If it's at or near LOW or L, add enough
coolant to the coolant reservoir to provide
freezing and corrosion protection and to
bring the level to FULL or F.
CAUTION
Radiator coolant will damage paint.
Rinse it off quickly if spilled.
If the coolant reservoir is empty or new
coolant is required frequently, consult an
Authorized Mazda Dealer.
q Changing Coolant
Change coolant according to Scheduled
Maintenance (page 8-3).
CAUTION
lUse only soft (demineralized) water
in the coolant mixture. Water that
contains minerals will cut down on
the coolant's effectiveness.
lDon't add only water. Always add a
proper coolant mixture.
lThe engine has aluminum parts and
must be protected by an ethylene-
glycol-based coolant to prevent
corrosion and freezing.
lDO NOT USE coolants Containing
Alcohol, methanol, Borate or
Silicate.
These coolants could damage the
cooling system.
lDO NOT MIX alcohol or methanol
with the coolant. This could damage
the cooling system.
lDon't use a solution that contains
more than 60% antifreeze.
This would reduce effectiveness.
8-22
Maintenance and Care
Owner Maintenance
Mazda6_8V40-EA-05L_Edition1 Page288
Monday, November 28 2005 6:11 PM
Form No.8V40-EA-05L

Black plate (289,1)
NOTE
If the“FL22 ”mark is shown on or near
the cooling system cap, use FL22 type
engine coolant. If engine coolant other
than FL22 type is used, the engine
coolant must be replaced earlier than
the specified replacement interval
indicated in the scheduled maintenance
(page 8-3).
Except FL22 type
For mixture percentage:
Protection Volume
Antifreeze solution Deminera-
lized water
Above _
16°C (3°F) 35% 65%
Above _
26°C ( _
15°F) 45% 55%
Above _
40°C ( _
40°F) 55% 45%
FL22 type
FL22 type engine coolant concentration is
factory adjusted. Use the product as it is
without diluting it.
To change coolant
WARNING
Removing the Cooling System Cap:
Removing the cooling system cap
while the engine is running or hot is
dangerous. This might lead to cooling
system and engine damage and could
result in serious injury from escaping
hot coolant or steam. Turn off the
engine and wait until it's cool. Even
then, be very careful when removing
the cap.
Wrap a thick cloth around the cap and
slowly turn it counterclockwise to the
first stop (3.0-liter engine) or about
two and a half rotations (2.3-liter
engine).
Step back while the pressure escapes.
When you're sure all the pressure is
gone, press down on the cap (3.0-liter
engine) ―still using a cloth ―turn
the cap, and remove it.
1. Make sure the engine is not running and it has cooled.
2. Remove the cooling system cap.
2.3-liter engine Loosen
Tighten
Loosen
Tighten
Maintenance and Care
Owner Maintenance
8-23
Mazda6_8V40-EA-05L_Edition1 Page289
Monday, November 28 2005 6:11 PM
Form No.8V40-EA-05L

Black plate (290,1)
3.0-liter engine LoosenTightenTighten Loosen
3. Remove the radiator drain plug and
drain the coolant into a suitable
container. Properly dispose of the used
coolant.
4. Flush out the system with running water.
5. Drain the system completely. Insert and tighten the plug. Add as much
ethylene-glycol-based coolant mixture
and water as necessary to provide
freezing and corrosion protection.
6. In extremely cold climates, add the mixture percentage recommended in
the coolant mixture percentage table.
7. Run the engine at idle with the cooling system cap off. Slowly add additional
coolant if necessary.
8. At this point, wait until the engine reaches normal operating temperature;
then depress the accelerator two or
three times. Add more coolant, if
necessary, until the system is full.
9. Install the cooling system cap. Inspect all connections for leaks. Inspect the
level in the coolant reservoir one more
time and verify that the coolant level is
between the F and L marks.
Brake/Clutch Fluid
qInspecting Brake/Clutch Fluid Level
The brakes and clutch draw fluid from the
same reservoir.
Inspect the fluid level in the reservoir
regularly. It should be kept at MAX.
The level normally drops with
accumulated distance, a condition
associated with wear of brake and clutch
linings. If it is excessively low, have the
brake/clutch system inspected by an
Authorized Mazda Dealer.
8-24
Maintenance and Care
Owner Maintenance
Mazda6_8V40-EA-05L_Edition1 Page290
Monday, November 28 2005 6:11 PM
Form No.8V40-EA-05L

Black plate (291,1)
qAdding Brake/Clutch Fluid
WARNING
Spilled Brake Fluid:
Spilled brake fluid is dangerous. If it
gets in your eyes, they could be
seriously injured. If this happens,
immediately flush your eyes with water
and get medical attention. Brake fluid
spilled on a hot engine could cause a
fire. Be careful not to spill brake fluid
on yourself or on the engine.
Low Brake/Clutch Fluid Levels:
Low brake/clutch fluid levels are
dangerous. Low levels could signal
brake lining wear or a brake system
leak. Your brakes could fail and cause
an accident. If you find a low fluid
level, have the brakes and clutch
inspected.
If the fluid level is low, add fluid until it
reaches MAX.
Before adding fluid, thoroughly clean the
area around the cap.
CAUTION
lBrake and clutch fluid will damage
painted surfaces. If brake or clutch
fluid does get on a painted surface,
wipe it off immediately.
lUsing nonspecified brake and clutch
fluids (page 10-4) will damage the
systems. Mixing different fluids will
also damage them.
If the brake/clutch system frequently
requires new fluid, consult an
Authorized Mazda Dealer.
Power Steering Fluid
q Inspecting Power Steering Fluid
Level
CAUTION
To avoid damage to the power steering
pump, don't operate the vehicle for long
periods when the power steering fluid
level is low.
NOTE
Use specified power steering fluid
(page 10-4).
2.3-liter engine
Inspect the fluid level in the reservoir at
each engine oil change with the engine off
and cold. Add fluid if necessary; it does
not require periodic changing.
The level must be kept between MIN and
MAX.
Visually examine the lines and hoses for
leaks and damage.
Maintenance and Care
Owner Maintenance
8-25
Mazda6_8V40-EA-05L_Edition1 Page291
Monday, November 28 2005 6:11 PM
Form No.8V40-EA-05L