How do you drain the radiator fluid in a Honda Civic?
Step 1 – Drain the radiator
- Let the engine cool down completely, hot coolant can and will burn you.
- Locate the drain valve on the underside of the radiator.
- Place your drain pan underneath.
- Slowly open the drain valve until coolant begins to flow steadily.
Where is the drain valve on a Honda Civic?
Depending on your size and where you are working, you may need to place the car on jack stands to be able to work under it. Let the engine cool down completely, hot coolant can and will burn you. Locate the drain valve on the underside of the radiator. Place your drain pan underneath.
Where is the drain on a Honda radiator?
Locate and unscrew the plastic wing-nut on the underside of the radiator. This causes coolant to immediately begin to drain. If you own a 2.3L, use your 18 mm socket wrench to remove the 18 mm drain bolt on the rear side of the cylinder block. You will find this below the oil filter. After the radiator has fully drained, set aside the old coolant.
How do you flush the radiator in a Honda Civic?
However, many people do partial flushes (removes about 3/4th’s of the fluid) due to the huge hassle it is to get to this bolt, and to re-torque it. The bolt is located on the engine block close to the oil filter. Place your drain pan as best you can underneath. Loosen the bolt until fluid begins to flow out.
Where is the overflow hose on a Honda Civic?
Once the cap is removed, grab the pliers, or flat head screwdriver, and loosen the clamp to remove the radiator overflow hose, then remove lower hose located on the bottom corner of the radiator. Figure 4. The overflow reservoir was located in that big empty space. Removing it will offer more flexibility. Figure 5. Remove lower radiator hose.
Where is the drain bolt on a Honda Civic?
Figure 2. Engine block drain bolt location. Locate the thermostat housing. You can do so by following the upper radiator hose to the engine block. Position your drain pan as best you can under the hose, so that it can catch any fluid when you disconnect it.
However, many people do partial flushes (removes about 3/4th’s of the fluid) due to the huge hassle it is to get to this bolt, and to re-torque it. The bolt is located on the engine block close to the oil filter. Place your drain pan as best you can underneath. Loosen the bolt until fluid begins to flow out.
Locate and unscrew the plastic wing-nut on the underside of the radiator. This causes coolant to immediately begin to drain. If you own a 2.3L, use your 18 mm socket wrench to remove the 18 mm drain bolt on the rear side of the cylinder block. You will find this below the oil filter. After the radiator has fully drained, set aside the old coolant.
Where is the thermostat on a Honda Civic?
Locate the thermostat housing. You can do so by following the upper radiator hose to the engine block. Position your drain pan as best you can under the hose, so that it can catch any fluid when you disconnect it. Remove the radiator hose from the thermostat housing.