Mazda 6. Manual — part 115

THERMOSTAT

E–7

E

THERMOSTAT REMOVAL/INSTALLATION

A6E361815171W01

1. Remove the plug hole plate.
2. Disconnect the negative battery cable.
3. Drain the engine coolant. (See

E–3 COOLING SYSTEM SERVICE WARNINGS

.)

4. Remove the drive belt. (See

B–3 DRIVE BELT REPLACEMENT

.)

5. Remove the washer tank.
6. Remove the P/S oil pump.

Note

• Remove the P/S oil pump with hoses and pipe still connected.

7. Remove in the order indicated in the table.
8. Install in the reverse order of removal.
9. Refill the engine coolant. (See

E–4 ENGINE COOLANT REPLACEMENT

.)

10. Inspect the engine coolant leakage. (See

E–4 ENGINE COOLANT LEAKAGE INSPECTION

.)

11.

End Of Sie

THERMOSTAT

AME3618W001

1

Bypass hose

2

Lower hose

3

Thermostat assembly

E–8

THERMOSTAT, WATER PUMP

THERMOSTAT INSPECTION

A6E361815171W02

1. Inspect the thermostat for the following.

• Closed valve in room temperature

• Opening temperature and lift of the valve

— If not as specified, replace the thermostat.

End Of Sie

WATER PUMP REMOVAL/INSTALLATION

A6E362015010W01

1. Disconnect the negative battery cable.
2. Drain the engine coolant. (See

E–3 COOLING SYSTEM SERVICE WARNINGS

.) (See

E–4 ENGINE

COOLANT REPLACEMENT

.)

3. Loosen the water pump pulley bolt to remove the drive belt. (See

B–3 DRIVE BELT REPLACEMENT

.)

4. Remove in the order indicated in the table.
5. Install in the reverse order of removal.
6. Refill the engine coolant. (See

E–4 ENGINE COOLANT REPLACEMENT

.)

7. Inspect the engine coolant leakage. (See

E–4 ENGINE COOLANT LEAKAGE INSPECTION

.)

End Of Sie

Initial-opening temperature

80.0—84.0 {176—183.2}

(

°C {°F})

Full-open temperature

97 {206.6}

(

°C {°F})

Full-open lift

(mm {in})

More than 8.0 {0.31}

WATER PUMP

AME3620W001

1

Water pump pulley

2

Water pump

FAN MOTOR

E–9

E

COOLING FAN REMOVAL/INSTALLATION

A6E362215025W01

1. Disconnect the negative battery cable.
2. Remove the shroud panel. (See

S–119 SHROUD PANEL REMOVAL/INSTALLATION

.)

3. Remove the A/C pipe stay.
4. Remove the ATX pipe stay (ATX).
5. Remove in the order indicated in the table.
6. Install in the reverse order of removal.

7.

End Of Sie

FAN MOTOR

AME3621W001

1

Cooling fan harness, connector

2

Coolant reservoir hose

3

Cooling fan assembly

E–10

FAN MOTOR

COOLING FAN MOTOR REMOVAL/INSTALLATION

A6E362215025W02

1. Remove the cooling fan. (See

E–9 COOLING FAN REMOVAL/INSTALLATION

.)

2. Remove in the order indicated in the table.
3. Install in the reverse order of removal.

4.

End Of Sie

AME3621W002

1

Cooling fan No.2

2

Cooling fan No.1

3

Cooling fan motor No.2

4

Cooling fan motor No.1