Car engine cooling system Honda CR-V 2
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Testing the Radiator Cap
1. Remove the cap (A) from the radiator, wet its seal with engine coolant, then install it on the hand pump (B) (available for sale). To install the radiator cap, use a small adapter H-901122-09 (C) (available for...
1. Remove the cap (A) from the radiator, wet its seal with engine coolant, then install it on the hand pump (B) (available for sale). To install the radiator cap, use a small adapter H-901122-09 (C) (available for...
Radiator testing
1. Wait until the engine has cooled down, then carefully remove the radiator cap and fill the radiator with engine coolant to the base of the filler neck. 2. Connect the hand pump (A) (available for sale) to the...
1. Wait until the engine has cooled down, then carefully remove the radiator cap and fill the radiator with engine coolant to the base of the filler neck. 2. Connect the hand pump (A) (available for sale) to the...
Testing the Fan Motor
1. Disconnect the 2-pin connectors from the radiator fan motor and condenser fan motor. 2. Test the motor by applying battery power to terminal B and grounding terminal A. 3. If the electric motor does not rotate or...
1. Disconnect the 2-pin connectors from the radiator fan motor and condenser fan motor. 2. Test the motor by applying battery power to terminal B and grounding terminal A. 3. If the electric motor does not rotate or...
Testing the thermostat
Replace the thermostat if it is open at room temperature. To test a closed thermostat: 1. Suspend the thermostat (A) in a container of water. Make sure that the thermometer (B) does not touch the bottom of the hot...
Replace the thermostat if it is open at room temperature. To test a closed thermostat: 1. Suspend the thermostat (A) in a container of water. Make sure that the thermometer (B) does not touch the bottom of the hot...
Checking the water pump
1. Remove the drive belt. 2. Turn the water pump counterclockwise. Make sure it rotates without binding. 3. Check for signs of leakage through the seal. A slight leak from the bleed nipple (A) is considered normal.
1. Remove the drive belt. 2. Turn the water pump counterclockwise. Make sure it rotates without binding. 3. Check for signs of leakage through the seal. A slight leak from the bleed nipple (A) is considered normal.
Replacing the water pump
1. Remove the drive belt. 2. Drain the engine coolant. 3. Remove the pulley from the crankshaft. 4. Remove the six bolts securing the water pump, then remove the water pump (A). 5. Check and clean the O-ring groove and...
1. Remove the drive belt. 2. Drain the engine coolant. 3. Remove the pulley from the crankshaft. 4. Remove the six bolts securing the water pump, then remove the water pump (A). 5. Check and clean the O-ring groove and...
Checking the coolant
1. Look at the coolant level in the reservoir. Make sure it is between the MAX (A) and MIN (B) marks. 2. If the coolant level in the reservoir is at or below the MIN mark, add coolant and bring the level up to the MAX...
1. Look at the coolant level in the reservoir. Make sure it is between the MAX (A) and MIN (B) marks. 2. If the coolant level in the reservoir is at or below the MIN mark, add coolant and bring the level up to the MAX...
Replacing the coolant
1. Start the engine. Set the heater temperature control to maximum heat, then turn the ignition switch to the OFF position. Make sure the engine and radiator are cool to the touch. 2. Remove the cover from the...
1. Start the engine. Set the heater temperature control to maximum heat, then turn the ignition switch to the OFF position. Make sure the engine and radiator are cool to the touch. 2. Remove the cover from the...
Replacing the thermostat
1. Remove the drive belt. 2. Remove the mud deflector. 3. Disconnect the lower hose, then remove the thermostat. 4. Install the thermostat with a new O-ring, then connect the lower hose. 5. Install the dirt deflector....
1. Remove the drive belt. 2. Remove the mud deflector. 3. Disconnect the lower hose, then remove the thermostat. 4. Install the thermostat with a new O-ring, then connect the lower hose. 5. Install the dirt deflector....
Installing a water bypass pipe
1. Clean and dry the contact surfaces of the water bypass pipe. 2. Apply sealant, 08C70-K0234M, 08C70-K0334M or 08C70-X0331S, evenly to the contact surface of the cylinder block under the water bypass pipe and to the...
1. Clean and dry the contact surfaces of the water bypass pipe. 2. Apply sealant, 08C70-K0234M, 08C70-K0334M or 08C70-X0331S, evenly to the contact surface of the cylinder block under the water bypass pipe and to the...
Replacing the radiator and fans
1. Drain the engine coolant. 2. Remove the cover from the partition. 3. Remove the radiator upper bracket cushion, then remove the baffle. 4. Disconnect the upper and lower hoses from the radiator. 5. Disconnect the...
1. Drain the engine coolant. 2. Remove the cover from the partition. 3. Remove the radiator upper bracket cushion, then remove the baffle. 4. Disconnect the upper and lower hoses from the radiator. 5. Disconnect the...
Fan control
Troubleshooting Before running the search, check: Fuses. Grounding. Cleanliness and tightness of all connections. Sign of malfunction Diagnostic procedure The radiator fan does not work at all Troubleshooting the...
Troubleshooting Before running the search, check: Fuses. Grounding. Cleanliness and tightness of all connections. Sign of malfunction Diagnostic procedure The radiator fan does not work at all Troubleshooting the...
Troubleshooting the Radiator Fan Circuit
1. Check fuse #4 (20A) in the underhood fuse/relay box and fuse #14 (10A) in the under-dash fuse/relay box. Are the fuses OK? Yes Proceed to p. 2. No Replace the fuse and retest. 2. Remove the radiator fan relay from...
1. Check fuse #4 (20A) in the underhood fuse/relay box and fuse #14 (10A) in the under-dash fuse/relay box. Are the fuses OK? Yes Proceed to p. 2. No Replace the fuse and retest. 2. Remove the radiator fan relay from...
Troubleshooting the Radiator Fan Switch Circuit (Open Circuit)
1. Disconnect the 2-pin connector from the radiator fan switch. 2. Turn the ignition key to the ON (II) position. 3. Measure the voltage between terminal No. 2 of the 2-pin radiator fan switch connector and ground. Is...
1. Disconnect the 2-pin connector from the radiator fan switch. 2. Turn the ignition key to the ON (II) position. 3. Measure the voltage between terminal No. 2 of the 2-pin radiator fan switch connector and ground. Is...
Troubleshooting the Radiator Fan Circuit (Short Circuit)
1. Remove the radiator fan relay from the underhood fuse/relay box and test it. Is the relay OK? Yes Proceed to p. 2. No Replace the radiator fan relay. 2. Remove the radiator fan switch and test it. Is the radiator fan...
1. Remove the radiator fan relay from the underhood fuse/relay box and test it. Is the relay OK? Yes Proceed to p. 2. No Replace the radiator fan relay. 2. Remove the radiator fan switch and test it. Is the radiator fan...
Testing the Radiator Fan Switch
Note: After installing the radiator fan switch, bleed the cooling system. 1. Remove the radiator fan switch from the radiator. 2. Hang the radiator fan switch (A) in a container of water as shown in the figure. 3. Heat...
Note: After installing the radiator fan switch, bleed the cooling system. 1. Remove the radiator fan switch from the radiator. 2. Hang the radiator fan switch (A) in a container of water as shown in the figure. 3. Heat...
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