Mazda 6. Manual — part 95
UNITS
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UNITS
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Conversion to SI Units (Système International d'Unités)
• All numerical values in this manual are based on SI units. Numbers shown in conventional units are converted
from these values.
Rounding Off
• Converted values are rounded off to the same number of places as the SI unit value. For example, if the SI unit
value is 17.2 and the value after conversion is 37.84, the converted value will be rounded off to 37.8.
Upper and Lower Limits
• When the data indicates upper and lower limits, the converted values are rounded down if the SI unit value is
an upper limit and rounded up if the SI unit value is a lower limit. Therefore, converted values for the same SI
unit value may differ after conversion. For example, consider 2.7 kgf/cm
2
in the following specifications:
210—260 kPa {2.1—2.7 kgf/cm
2
, 30—38 psi}
270—310 kPa {2.7—3.2 kgf/cm
2
, 39—45 psi}
• The actual converted values for 2.7 kgf/cm
2
are 264 kPa and 38.4 psi. In the first specification, 2.7 is used as
an upper limit, so the converted values are rounded down to 260 and 38. In the second specification, 2.7 is
used as a lower limit, so the converted values are rounded up to 270 and 39.
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UNITS
Electrical current
A (ampere)
Electric power
W (watt)
Electric resistance
Ω (ohm)
Electric voltage
V (volt)
Length
mm (millimeter)
in (inch)
Negative pressure
kPa (kilo pascal)
mmHg (millimeters of mercury)
inHg (inches of mercury)
Positive pressure
kPa (kilo pascal)
kgf/cm
2
(kilogram force per square
centimeter)
psi (pounds per square inch)
Torque
N·m (Newton meter)
kgf·m (kilogram force meter)
kgf·cm (kilogram force centimeter)
ft·lbf (foot pound force)
in·lbf (inch pound force)
Volume
L (liter)
US qt (U.S. quart)
Imp qt (Imperial quart)
ml (milliliter)
cc (cubic centimeter)
cu in (cubic inch)
fl oz (fluid ounce)
Weight
g (gram)
oz (ounce)
GI–12
FUNDAMENTAL PROCEDURES
PROTECTION OF VEHICLE
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• Always be sure to cover fenders, seats and floor
areas before starting work.
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PREPARATION OF TOOLS AND MEASURING EQUIPMENT
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• Be sure that all necessary tools and measuring
equipment are available before starting any work.
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SPECIAL SERVICE TOOLS
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• Use special service tools or equivalent when they
are required.
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OIL LEAKAGE INSPECTION
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• Use either of the following procedures to identify the type of oil that is leaking:
Using UV Light (Black Light)
1. Remove on the engine or transaxle.
Note
• Referring to the fluorescent dye instruction manual, mix the specified amount of dye into the engine oil or
ATF (or transaxle oil).
2. Pour the fluorescent dye into the engine oil or ATF (or transaxle oil).
3. Allow the engine to run for 30 minutes.
4. Inspect for dye leakage by irradiating with UV light (black light), and identify the type of oil that is leaking.
FUNDAMENTAL PROCEDURES
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FUNDAMENTAL PROCEDURES
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5. If no dye leakage is found, allow the engine to run for another 30 minutes or drive the vehicle then reinspect.
6. Find where the oil is leaking from, then make necessary repairs.
Note
• To determine whether it is necessary to replace the oil after adding the fluorescent dye, refer to the
fluorescent dye instruction manual.
Not Using UV Light (Black Light)
1. Gather some of the leaking oil using an absorbent white tissue.
2. Take samples of engine oil and ATF (or transaxle oil), both from the dipstick, and place them next to the leaked
oil already gathered on the tissue.
3. Compare the appearance and smell, and identify
the type of oil that is leaking.
4. Remove any oil on the engine or transaxle/
transmission.
5. Allow the engine to run for 30 minutes.
6. Check the area where the oil is leaking, then
make necessary repairs.
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DISCONNECTION OF THE NEGATIVE BATTERY CABLE
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• Before beginning any work, turn the ignition switch to LOCK position, then disconnect the negative battery
cable and wait for more than 1 minute to allow the backup power supply of the SAS unit to deplete its stored
power. Disconnecting the battery cable will delete the memories of the clock, audio, and DTCs, etc. Therefore,
it is necessary to verify those memories before disconnecting the cable.
• If the battery had been disconnected during vehicle maintenance or for other reasons, the window will not fully
close automatically.Carry out the power window main switch initial setting. (See
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REMOVAL OF PARTS
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• While correcting a problem, also try to determine
its cause. Begin work only after first learning
which parts and subassemblies must be removed
and disassembled for replacement or repair. After
removing the part, plug all holes and ports to
prevent foreign material from entering.
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DISASSEMBLY
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• If the disassembly procedure is complex,
requiring many parts to be disassembled, all parts
should be marked in a place that will not affect
their performance or external appearance and
identified so that reassembly can be performed
easily and efficiently.
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GI–14
FUNDAMENTAL PROCEDURES
INSPECTION DURING REMOVAL, DISASSEMBLY
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• When removed, each part should be carefully
inspected for malfunction, deformation, damage,
and other problems.
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ARRANGEMENT OF PARTS
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• All disassembled parts should be carefully
arranged for reassembly.
• Be sure to separate or otherwise identify the parts
to be replaced from those that will be reused.
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CLEANING OF PARTS
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• All parts to be reused should be carefully and
thoroughly cleaned in the appropriate method.
Warning
• Using compressed air can cause dirt and
other particles to fly out causing injury to
the eyes. Wear protective eye wear
whenever using compressed air.
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REASSEMBLY
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• Standard values, such as torques and certain
adjustments, must be strictly observed in the
reassembly of all parts.
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