Honda HR-V: Thermostat Removal, Installation, and Test
Removal and Installation
1. Engine Coolant - Drain
2. Thermostat - Remove
Fig. 3: Thermostat - Exploded View With Torque Specifications
- Remove the harness bracket (A)
- Remove the thermostat.
3. All Removed Parts - Install
- Install the parts in the reverse order of removal.
NOTE:
- Make sure the pin up when installing the thermostat.
- After installing all the removed parts, refill the radiator with
engine coolant, and bleed the
air from the cooling system.
Test
Replace the thermostat if it is stuck in the open position at room
temperature.
1. Thermostat - Test
To test a closed thermostat:
- Suspend the thermostat (A) in a container of water. Do not let the
thermostat
and the thermometer (B) touch the bottom of the hot container
- Heat the water, then check the temperature with a thermometer. Check the
temperature when the thermostat first opens, and when it is fully open
- Measure the lift height of the thermostat when it is fully open.
Lift Height: 8.0 mm (0.315 in) min.
Starts Opening: 176-183 ºF (80-84 ºC)
Fully Open: 203 ºF (95 ºC)
READ NEXT:
Removal
1. Engine Coolant - Drain
2. Connector (CMP Sensor) - Disconnect
3. Connector (ECT Sensor 1) - Disconnect - Refer to: ECT Sensor 1 Removal and
Installation, or ECT
Sensor 2 Removal and Instal
WATER PUMP INSPECTION
Inspection
1. Water Pump Pulley Mounting Bolt - Loosen
Loosen the bolts (A).
2. Drive Belt - Remove
3. Water Pump Pulley - Remove
4. Water Pump - Inspect
Turn the water p
SEE MORE:
Maintenance Minder
The Maintenance Minder is an important feature of the information display.
Based on engine and transmission operating conditions, and accumulated engine
revolutions, the HR-V's onboard
computer (PCM) calculates the remaining engine oil and the transmission fluid
life. The syste
NOTE: Examples used in this article are general in nature and do not
necessarily relate
to a specific engine or system. Illustrations and procedures have been chosen
to guide mechanic through engine overhaul process. Descriptions of processes
of cleaning, inspection, assembly and machine shop pract