Honda Civic manuals

Honda Civic Service Manual: ECT Sensor 2 Removal and Installation (K24Z7)

1201D5 RADIATOR

1. Radiator Cap

1.

Wait until the engine is cool, then carefully remove the radiator cap.


2. Vehicle Lift

1.

Raise the vehicle on a lift, and make sure it is securely supported.


3. Radiator Coolant - Replacement

1.

Loosen the drain plug (A), and drain the coolant.


4. Splash Shield

1.

Remove the splash shield (A).


5. ECT Sensor 2


1.

Disconnect the connector.


2.

Remove ECT sensor 2 (A).


1. ECT Sensor 2


1.

Install ECT sensor 2 (A) with a new O-ring (B).


2.

Connect the connector.


2. Splash Shield

1.

Install the splash shield (A).


3. Radiator Coolant - Replacement

1.

Follow the chart and pour coolant into the radiator up to the base of the filler neck.


NOTE:

Use Honda Long Life Antifreeze/Coolant Type 2, and if necessary add Honda Extreme Cold Weather Antifreeze/Coolant Type 2 (concentrate). Using a non-Honda coolant can result in corrosion, causing the cooling system to malfunction or fail.

Honda Long Life Antifreeze/Coolant Type 2 is a mixture of 50 % antifreeze and 50 % water. Honda Extreme Cold Weather Antifreeze/Coolant Type 2 is a 100 % concentration coolant. Do not add water to either coolant.

If the vehicle is regularly driven in very low temperatures (below -22 °F ( -30 °C)), a 60 % concentration of coolant should be used.


Operation

Vehicle Usage (Desired Mixture)

Current Mixture

Coolant Drain

Add Amount of Honda Extreme Cold Weather Antifreeze/Coolant Type 2 (100 % concentrate)

Then add Honda Long Life Antifreeze/Coolant Type 2 (50/50)

Coolant Change

Normal Area (50/50)

50/50
60/40
unknown

Drain radiator, engine block, and reservoir

None

Top off the cooling system

Very Cold Area (60/40)

50/50
unknown

Drain radiator, engine block, and reservoir

About 1.3 L (44 fl oz)

60/40

About 1.2 L (41 fl oz)

Engine Overhaul

Normal Area (50/50)

-

-

None

Very Cold Area (60/40)

-

-

About 1.2 L (41 fl oz)

Coolant Winterizing

Very Cold Area (60/40)

50/50

Drain about 2.0 L (68 fl oz) from radiator

About 1.2 L (41 fl oz)

unknown*

Drain radiator, engine block, and reservoir


*: When you want to winterize the coolant with the minimum amount of coolant change but the current coolant concentration in the vehicle is unknown, you must drain all coolant from the cooling system.


Engine Coolant Capacities (Including the coolant reservoir capacity of 0.475 L (0.1255 US gal))


Except K24Z7 engine

 

Manufacturer

Capacity

At Coolant Change

DENSO

5.59 L (1.477 US gal)

TRAD

5.50 L (1.453 US gal)

After Engine Overhaul (M/T)

DENSO

6.42 L (1.696 US gal)

TRAD

6.33 L (1.672 US gal)

After Engine Overhaul (A/T)

DENSO

6.56 L (1.732 US gal)

TRAD

6.47 L (1.709 US gal)

After Engine Overhaul (CVT)

DENSO

6.52 L (1.722 US gal)

TRAD

6.43 L (1.699 US gal)


Engine Coolant Capacities (Including the coolant reservoir capacity of 0.475 L (0.1255 US gal))


K24Z7 engine

 

Capacity

At Coolant Change

5.5 L (1.45 US gal)

After Engine Overhaul

6.7 L (1.78 US gal)


4. Maintenance Minder Reset

1.

After doing all procedures, select the individual maintenance item you wish to reset with the HDS..


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See also:

Honda Civic Owners Manual. Manual transmission models
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