Honda Civic. Manual - part 787

3. Replace the spark plug if the gap is out of specification.

Electrode Gap

Standard (New): 0.7-0.8 mm (0.028-0.031 in.)

Fig. 3: Identifying Electrode Gap

4. Replace the plug at the specified interval, or if the center electrode is rounded

(A). Use only the spark plugs as listed.

Spark Plugs IFR7F8DS

NOTE:

Do not use a wire brush or scrape the iridium
electrode since this will damage the electrode.

When using a sand blaster spark plug cleaner, do
not clean for more than 20 seconds to avoid
damaging the electrode.

NOTE:

Do not adjust the gap of iridium tip plugs.

2008 Honda Civic EX

2006-08 ENGINE Ignition System - Civic GX

Fig. 4: Identifying Spark Plugs Gap

5. Apply a small amount of anti-seize compound to the plug threads, and screw

the plugs into the cylinder head, finger-tight. Torque them to 25 N.m (2.5
kgf.m, 18 Ibf.ft).

2008 Honda Civic EX

2006-08 ENGINE Ignition System - Civic GX

2006-08 ENGINE

Intake Manifold and Exhaust System - Civic (Except Hybrid)

INTAKE MANIFOLD AND EXHAUST SYSTEM (R18A1)

INTAKE MANIFOLD REMOVAL AND INSTALLATION

Exploded View

NOTE:

Refer to the INTAKE MANIFOLD AND EXHAUST SYSTEM
(GX) (SUPPLEMENT) article for additional information for
the GX model.

2008 Honda Civic GX

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

2008 Honda Civic GX

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

Fig. 1: Exploded View Of Intake Manifold (With Torque Specifications)

Removal

1. Remove the cowl cover and under-cowl panel (see FRONT GRILLE

COVER REPLACEMENT ).

2. Remove the air cleaner assembly (see AIR CLEANER ELEMENT

INSPECTION/REPLACEMENT ).

3. Remove the air intake duct.

2008 Honda Civic GX

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