Honda Civic. Manual — part 793

correctly.

14. Refill the radiator with engine coolant, and bleed the air from the cooling

system with the heater valve open (see step 6 on COOLANT
REPLACEMENT ).

EXHAUST MANIFOLD REMOVAL AND INSTALLATION

1. Relieve the fuel pressure (see FUEL PRESSURE RELIEVING ).
2. Loosen the drain plug in the radiator, and drain the engine coolant (see

COOLANT CHECK ).

3. Remove the under-cowl panel (see FRONT GRILLE COVER

REPLACEMENT ).

4. Remove the evaporative emission (EVAP) canister hose (A) and brake booster

vacuum hose (B).

Fig. 40: Identifying Evaporative Emission Canister Hose And Brake
Booster Vacuum Hose

5. Remove the quick-connect fitting cover (A), then disconnect the fuel feed hose

(see FUEL LINE/QUICK-CONNECT FITTING REMOVAL ).

2008 Honda Civic GX

2006-08 ENGINE Intake Manifold and Exhaust System - Civic (Except Hybrid)

Fig. 41: Identifying Quick-Connect Fitting Cover

6. Remove the heater hoses.

Fig. 42: Identifying Heater Hoses

7. Remove the rocker arm oil control solenoid (see ROCKER ARM OIL

CONTROL VALVE REMOVAL/INSTALLATION ).

8. Remove the intermediate shaft heat shield .
9. Remove the cover and exhaust manifold bracket, then remove the exhaust

manifold.

2008 Honda Civic GX

2006-08 ENGINE Intake Manifold and Exhaust System - Civic (Except Hybrid)

Fig. 43: Exploded View Of Exhaust Manifold (With Torque
Specifications)

10. Install the exhaust manifold and tighten the bolts and nuts in a crisscross

pattern in two or three steps, beginning with the inner bolt.

11. Install the other parts in the reverse order of removal.
12. Inspect for leaks: Turn the ignition switch ON (II) (do not operate the starter)

so the fuel pump runs for about 2 seconds and pressurizes the fuel line. Repeat
this operation two or three times, then check for fuel leakage at any point in the

2008 Honda Civic GX

2006-08 ENGINE Intake Manifold and Exhaust System - Civic (Except Hybrid)

fuel line.

13. Refill the radiator with engine coolant, and bleed air from the cooling system

with the heater valve open (see step 6 on COOLANT REPLACEMENT ).

EXHAUST PIPE AND MUFFLER REPLACEMENT

NOTE:

Use new gaskets and self-locking nuts when reassembling.

2008 Honda Civic GX

2006-08 ENGINE Intake Manifold and Exhaust System - Civic (Except Hybrid)