2002 MAZDA 6 oil

U–4
OUTLINE
Full-auto Air Conditioner
ItemSpecification
L3, L8, LF MZR-CD (RF Turbo)
Heating capacity (kW {kcal/h}) 4.400 {3,784}4.400 {3,784} (L.H.D.)
5.120 {4,403} {R.H.D.)
Airflow volume
(during heater operation)Blower motor
(m
3/h)310 (L.H.D.)
300 (R.H.D.)
Electricity consumption
(during heater operation)Blower motor (W) 184
Cooling capacity (kW {kcal/h}) 4.200 {3,612}
Airflow volume (during air
conditioner operation)Blower motor
(m
3/h)460
Electricity consumption
(during air conditioner
operation)Blower motor (W) 225
Magnetic clutch (W) 46 45
Fan type Blower motor Sirocco fan
RefrigerantType R-134a
Regular amount
(approximate quantity)470 {16.6} (L.H.D.)
430 {15.2} (R.H.D.)
(g {oz})
A/C compressorType Vane-rotary
Discharge capacity
120 {120, 4.06}
(ml {cc, fl oz})
Max. allowable speed
6,400
(rpm)
Lube
oilType ATMOS GU10
Sealed volume
(approximate quantity)
120 {120, 4.06} 150 {150, 5.07}
(ml {cc, fl oz})
Magnetic clutch clearance
0.3—0.5 {0.012—0.019}
(mm {in})
CondenserType Multiflow (sub-cooling type)
Radiated heat (kW {kcal/h})4.69 {4,030}: European (L.H.D.) specs.
5.96 {5,130}: European (U.K.), GCC specs.
Receiver/drier
capacity(ml {cc, fl oz}) 190 {190, 6.42}
Desiccant Synthetic zeolite
Expansion valve Type Block type
Evaporator Type Double-tank drawn cup

U–10
BASIC SYSTEM
A/C UNIT REMOVAL/INSTALLATIONA6E8516611302011. Disconnect the negative battery cable.
2. Discharge the refrigerant from the system.
3. Drain the engine coolant.
4. Remove the dashboard.
5. Remove the theft-deterrent control module.
Caution
•If moisture or foreign material enters the refrigeration cycle, cooling ability will be lowered and
abnormal noise will occur. Always immediately plug open fittings after removing any refrigeration
cycle parts to keep moisture or foreign material out of the cycle.
6. Remove in the order indicated in the table. Do not allow compressor oil to spill.
.
BASIC SYSTEM
1
L.H.D.R.H.D.
3
2
R
R
N·m {kgf·cm, in·lbf} 6.86—9.80
{70.0—99.9,
60.8—86.7}
R
R
3
2
1
4
A6E85162001
1 Heater hose
2 Cooler pipe No.4 (L.H.D.) or cooler pipe No.5
(R.H.D.)
(See U–13 REFRIGERANT LINES REMOVAL/
INSTALLATION) (R.H.D.)
(See U–13 REFRIGERANT LINES REMOVAL/
INSTALLATION)3 Cooler pipe No.3
(See U–13 REFRIGERANT LINES REMOVAL/
INSTALLATION) (R.H.D.)
(See U–13 REFRIGERANT LINES REMOVAL/
INSTALLATION)
4A/C unit
(See U–11 A/C Unit Installation Note)

BASIC SYSTEM
U–11
U
7. Install in the reverse order of removal.
8. Perform the refrigerant system performance test.
A/C Unit Installation Note
1. When installing a new A/C unit or evaporator, add a supplemental amount of ATMOS GU10 compressor oil into
the refrigerant cycle.
Supplemental amount (approximate quantity)
40 ml {40 cc, 1.4 fl oz}
End Of Sie
A/C COMPRESSOR REMOVAL/INSTALLATIONA6E8516614502011. Disconnect the negative battery cable.
2. Discharge the refrigerant from the system.
3. Remove the right side splash shield.
4. Loosen the drive belt and remove it.
Caution
•If moisture or foreign material enters the refrigeration cycle, cooling ability will be lowered and
abnormal noise will occur. Always immediately plug open fittings after removing any refrigeration
cycle parts to keep moisture or foreign material out of the cycle.
5. Remove in the order indicated in the table. Do not
allow compressor oil to spill.
.
6. Install in the reverse order of removal.
7. Adjust the drive belt.
8. Perform the refrigerant system performance test.
A/C Compressor Installation Note
1. Remove the following amount of compressor oil from the new A/C compressor when replacing the A/C
compressor.
Compressor oil to be removed (approximate quantity)
150 ml {150 cc, 5.07 fl oz} – [compressor oil from old A/C compressor + 15 ml {15 cc, 0.5 fl oz}]
End Of Sie
1 Cooler hose (HI)
(See U–13 REFRIGERANT LINES REMOVAL/
INSTALLATION)
2 Cooler hose (LO)
(See U–13 REFRIGERANT LINES REMOVAL/
INSTALLATION)
3 Magnetic clutch connector
4A/C compressor
(See U–11 A/C Compressor Installation Note)
4
3
1
2
N·m {kgf·cm, in·lbf} 6.86—9.80
{70.0—99.9,
60.8—86.7}
R
R
6.86—9.80
{70.0—99.9,
60.8—86.7}
17.6—26.5 N·m
{1.80—2.70 kgf·m,
13.0—19.5 ft·lbf}
A6E85162005

U–12
BASIC SYSTEM
CONDENSER REMOVAL/INSTALLATIONA6E8516614802011. Disconnect the negative battery cable.
2. Discharge the refrigerant from the system.
3. Remove the shroud panel.
Caution
•If moisture or foreign material enters the refrigeration cycle, cooling ability will be lowered and
abnormal noise will occur. Always immediately plug all open fittings after removing any
refrigeration cycle parts to keep moisture or foreign material out of the cycle.
4. Remove in the order indicated in the table. Do not
allow compressor oil to spill.
.
5. Install in the reverse order of removal.
6. Perform the refrigerant system performance test.
Condenser Installation Note
1. When installing a new condenser, add a supplemental amount of ATMOS GU10 compressor oil inlet the
refrigerant cycle.
Supplemental amount (approximate quantity)
35 ml {35 cc, 1.2 fl oz}
End Of Sie
1 Cooler pipe No.1
(See U–13 REFRIGERANT LINES REMOVAL/
INSTALLATION)
(See U–13 REFRIGERANT LINES REMOVAL/
INSTALLATION)
2 Cooler pipe No.2
(See U–13 REFRIGERANT LINES REMOVAL/
INSTALLATION)
(See U–13 REFRIGERANT LINES REMOVAL/
INSTALLATION)
3 Condenser
(See U–12 Condenser Installation Note)
N·m {kgf·cm, in·lbf}
R
3
1
2
6.86—9.80
{70.0—99.9, 60.8—86.7}
R
A6E8516W013

BASIC SYSTEM
U–13
U
REFRIGERANT LINES REMOVAL/INSTALLATIONA6E8516614602011. Remove the battery.
2. Discharge the refrigerant from the system.
3. Remove the washer tank.
4. Remove the air cleaner cover, air cleaner element and air cleaner case. (See F2–36 INTAKE-AIR SYSTEM
REMOVAL/INSTALLATION.)
5. Remove the sedimentor.
6. Remove the No.3 engine mount.
7. Remove the water heater unit.
8. Remove the shroud panel.
9. Remove the right splash shield.
Caution
•If moisture or foreign material enters the refrigeration cycle, cooling ability will be lowered and
abnormal noise will occur. Always immediately plug all open fittings after removing any
refrigeration cycle parts to keep moisture or foreign material out of the cycle.
10. Remove in the order indicated in the table. Do not allow compressor oil to spill.
11. Install in the reverse order of removal.

TD–2
TECHNICAL DATA
ENGINEA6E931001001201
End Of Sie
LUBRICATION SYSTEMA6E931001001202
TECHNICAL DATA
ItemSpecification
Diesel engine
MZR-CD (RF Turbo)
MECHANICAL
Valve clearance
[engine cold](mm {in})IN0.12—0.18
{0.005—0.007}
(0.15±0.03 {0.006±0.0011})
EX0.32—0.38
{0.013—0.014}
(0.35±0.03 {0.014±0.0011})
Compression pressure(kPa {kgf/cm
2, psi}) [rpm]Standard3,500
{35.7, 507.7}
[250]
Minimum3,100
{31.6, 449.4}
[250]
Maximum difference
between cylinders196.1 {1.999, 28.44}
Cylinder head bolt length (mm {in})Standard 159.7—160.3 {6.288—6.311}
Maximum 161.0 {6.338}
Pushing distance of the front oil seal
(from the edge of the oil pump body)(mm {in})0—0.5
{0—0.019}
Pushing distance of the rear oil seal
(from the edge of the rear cover)(mm {in})0—0.5
{0—0.019}
Pushing distance of the camshaft oil seal
(from the edge of the cylinder head)(mm {in})0.5—1.5
{0.020—0.059}
Timing belt auto tensioner rod projection (free length) (mm {in})12.9—14.6
{0.508—0.574}
ItemSpecification
Diesel engine
MZR-CD (RF Turbo)
Oil pressure
(approximate quantity)
[oil temperature: 100°C {212°F}](kPa {kgf/cm
2, psi}) min [rpm]147 {1.5, 21} [1,000],
343 {3.5, 50} [3,000]
Oil capacity
(approximate quantity)Total (dry engine)
5.5 {5.8, 4.8}
(L {US qt, Imp qt})
Oil replacement
4.8 {5.1, 4.2}
(L {US qt, Imp qt})
Oil and oil filter replacement
5.0 {5.3, 4.4}
(L {US qt, Imp qt})

TECHNICAL DATA
TD–3
TD
Recommended engine oil
Note
•The maintenance intervals on scheduled maintenance table (See GI–8 SCHEDULED MAINTENANCE
TABLE) can only be supported with the use of following oils.
End Of Sie
COOLING SYSTEMA6E931001001203
End Of Sie
FUEL AND EMISSION CONTROL SYSTEMA6E931001001204
*1: Excludes temporary idle speed drop just after the electrical loads are turned on.
End Of Sie
ItemSpecification
Diesel engine
MZR-CD (RF Turbo)
Engine oil GradeAPI CF CD, CE, CF-4
ACEA B1 or B3
B3B3 or B4
Viscosity (SAE) 5W-30 10W-40 5W-30, 10W-30
RemarksMazda genuine Dexelia oil e.g. —
ItemSpecification
Diesel engine
MZR-CD (RF Turbo)
Coolant capacity (L {US qt, Imp qt}) 9.0 {9.5, 7.9}
Radiator capCap valve opening pressure
94—122
{0.96—1.24, 13.7—17.6}
(kPa {kgf/cm
2, psi})
ThermostatType Wax, bottom-bypass
Initial-opening temperature (°C {°F})80—84
{176—183}
Full-opening temperature (°C {°F}) 95 {203}
Full-open lift (mm {in}) More than 8.5 {0.33}
Cooling fan Motor Current (A)4.4—7.4 (Cooling fan motor No.1)
6.3—9.3 (Cooling fan motor No.2)
ItemEngine
L3 (4WD)
Idle speed
*1(rpm) 650—750 (700±50)
ItemEngine
MZR-CD (RF Turbo)
Idle speed (rpm) 725—825 (775±50)
Idle-up speed (rpm) When A/C is operated 725—825 (775±50)
Boost relief pressure (kPa {mmHg, inHg}) Approx. –14.5 {–108, –4.27}

TD–4
TECHNICAL DATA
ENGINE ELECTRICAL SYSTEMA6E931001001205
*1: Back-up current is the constant flow of current present (for the audio unit, clock, PCM, etc.) when the engine
switch is off and with the key removed.
*
2: Must not be 0 A.
*3: Cold area
End Of Sie
CLUTCHA6E931001024201
End Of Sie
MANUAL TRANSAXLEA6E931001024202
ItemSpecification
Diesel engine
MZR-CD (RF Turbo)
BatteryElectrolyte gravity 1.27—1.29
Back-up current*
1(mA) Max.20
Type
95D31L, 115D31L
*3
Test load chart (A) Battery type95D31L (64) 250
115D31L (70) *3320
Slow-charge (A)Battery type
(5-hour rate)95D31L (64) 6.5—8.0
115D31L (70)
*37.0—8.5
Quick-charge
Battery type
(5-hour rate)95D31L (64) 40
(A/30 min)
115D31L (70)
*345
GeneratorStandard voltage (V)Ignition switch ON TerminalBB+
L Approx. 1
SB+
Idle [20°C {68°F}] TerminalB
14.1—14.7 L
S
Generated current*
2
(reference) (A) Engine speed (rpm)1,000 0—80
2,000 0—90
Starter No load testVoltage (V) 11
Current (A) Below 130
Item Specification
Clutch coverDiaphragm
spring fingersDepth mm {in} 0.6 {0.024}
Misalignment mm {in} 0.6 {0.024}
Maximum clearance of flatness of the
pressure platemm {in} 0.3 {0.012}
Flywheel Run out limit mm {in} 0.3 {0.012}
Item Specification
Manual transaxle typeA65M-R
Transaxle controlFloor-shift
Operation systemCable
Shift assistSynchromesh
Gear ratio1st 3.416
2nd 1.944
3rd 1.258
4th 0.902
5th 0.659
Reverse 3.252
Final gear ratio3.588
Transaxle oilGrade API service GL-4 or GL-5
Viscosity (All-season) SAE 75W-90
Capacity (approximate quantity)
2.30 {2.40, 2.00}
(L {US qt, Imp qt})