Honda Civic. Manual — part 387

Fig. 8: Identifying Bleed Holes
Courtesy of AMERICAN HONDA MOTOR CO., INC.

5. Install the water pump pulley.
6. Install the drive belt (see DRIVE BELT INSPECTION ).
7. Tighten the water pump pulley mounting bolts to the specified torque.

WATER PUMP REPLACEMENT

1. Drain the engine coolant (see COOLANT REPLACEMENT ).
2. Remove the drive belt auto-tensioner (see DRIVE BELT AUTO-

TENSIONER REMOVAL/INSTALLATION ).

3. Remove the water pump (A) by removing the five bolts.

amount of "weeping" from the bleed holes (A). This is
normal.

2008 Honda Civic GX

2006-08 ENGINE Cooling System (R18A1) - Civic (Except Hybrid)

Fig. 9: Identifying Torque Specifications Of Water Pump Bolts
Courtesy of AMERICAN HONDA MOTOR CO., INC.

4. Inspect, and clean the O-ring groove and the mating surface of the engine

block.

5. Install the water pump with a new O-ring (B) in the reverse order of removal.
6. Clean up any spilled engine coolant.
7. Install the drive belt auto-tensioner (see DRIVE BELT AUTO-TENSIONER

REMOVAL/INSTALLATION ).

8. Refill the radiator with engine coolant, then bleed the air from the cooling

system (see step 8).

COOLANT CHECK

1. Look at the coolant level in the coolant reservoir. Make sure it is between the

MAX mark (A) and MIN mark (B).

2008 Honda Civic GX

2006-08 ENGINE Cooling System (R18A1) - Civic (Except Hybrid)

Fig. 10: Identifying Coolant Reservoir MAX Mark And MIN Mark
Courtesy of AMERICAN HONDA MOTOR CO., INC.

2. If the coolant level in the coolant reservoir is at or below the MIN mark, add

coolant to bring it between the MIN and MAX marks, then inspect the cooling
system for leaks.

COOLANT REPLACEMENT

1. Start the engine. Set the heater temperature control dial to maximum heat, then

turn off the ignition switch. Make sure the engine and radiator are cool to the
touch.

2. Remove the radiator cap.
3. Loosen the drain plug (A), and drain the coolant.

2008 Honda Civic GX

2006-08 ENGINE Cooling System (R18A1) - Civic (Except Hybrid)

Fig. 11: Identifying Drain Plug
Courtesy of AMERICAN HONDA MOTOR CO., INC.

4. Remove the drain bolt (A) located at the front of the engine block.

Fig. 12: Identifying Torque Specifications Of Drain Bolt
Courtesy of AMERICAN HONDA MOTOR CO., INC.

5. After the coolant has drained, apply liquid gasket to the drain bolt threads, then

reinstall the bolt with a new washer and tighten it securely.

6. Tighten the radiator drain plug securely.
7. Remove the coolant reservoir, then drain the coolant, and reinstall the reserve

tank.

8. Fill the reserve tank to the MAX mark (A) with Honda Long Life

2008 Honda Civic GX

2006-08 ENGINE Cooling System (R18A1) - Civic (Except Hybrid)