Gasoline engines (R18A) of the car Honda Civic 8

Engine specifications and characteristics
Engine characteristics Compression Cylinder head Cylinder block Lubrication system Cooling system

Checking engine compression
Note: After completing this procedure, you must reset the Engine Control Module (ECM), otherwise the ECM will continue to stop the injectors. Reset the ECM using the Honda Diagnostic System (HDS). 1. Warm up the engine...

Removal and installation the drive belt
1. Place the wrench on the automatic drive belt tensioner on the top side of the engine and slowly turn it in the direction shown, then remove the drive belt starting from tensioner pulley A or water pump pulley B....

Checking the automatic drive belt tensioner
1. Turn the ignition switch to the "ON" (II) position and make sure that the air conditioner switch is in the "OFF" position. Turn the ignition key to the "OFF" position. 2. Check the position of the auto tensioner...

Checking engine oil pressure
Note: To perform the check, you will need special tools: a mounting adapter and an oil pressure gauge (07406-0030000). Note: If the low oil pressure indicator remains on while the engine is running, check the engine oil...

Replacing the engine oil filter
Note: This procedure requires a special tool: an oil filter wrench (07HAA-PJ70100). 1. Remove the service hatch. 2. Remove the old oil filter using an oil filter wrench. 3. Check the filter to make sure the rubber seal...

Removal the oil pan
1. If the engine is removed from the vehicle, proceed to step 12. 2. Remove the drive belt (with air conditioning) 3. Remove the air conditioner condenser fan housing A (with air conditioning). 4. Disconnect the A/C...

Installing the oil pan
1. Remove any remaining old liquid gasket from the mating surfaces of the oil pump, bolts and their holes. 2. Clean and dry the mating surfaces of the oil pan. 3. Apply a uniform coat of liquid sealant P/N 08C70-K0234M,...

Removal the timing chain
1. Remove the front wheels. 2. Remove the lower engine cover. 3. Remove the automatic drive belt tensioner. 4. Remove the cylinder head cover. 5. Set piston #1 to the top dead center (TDC) position. The "UP" mark A on...

Installing the timing chain
1. Set the crankshaft to top dead center (TDC). Align the top dead center (TDC) mark A on the crankshaft sprocket with the pointer B on the engine block. 2. Set the camshaft to TDC. The "UP" mark A on the camshaft...

Removal and installation the crankshaft pulley
Removal 1. Remove the right front wheel. 2. Remove the lower engine cover. 3. Remove the drive belt. 4. Hold the pulley with handle A and holder B. 5. Remove the bolt using a 19mm C socket and a pry bar, then remove the...

Removal and installation the automatic timing belt tensioner
Removal 1. Remove the timing chain housing. 2. Turn the crankshaft counterclockwise to compress the automatic tensioner. 3. Align the holes on the lock A and the automatic tensioner B, then insert the 1.0mm diameter...

Removal the cylinder head cover
1. Remove the ignition coil cover. 2. Remove the injector cover. 3. Disconnect the ignition coil connectors. Remove bolt A securing the wire harness holders, then remove wire harness retainer B from the bracket. 4....

Checking the VTEC Rocker Arm
1. Start the engine and let it run for 5 minutes, then turn off the ignition. 2. Remove the cylinder head cover. 3. Set piston No.1 to the top dead center (TDC) position. 4. Rock the secondary rocker arm of the intake...

Installing the cylinder head rocker arm block
1. If the intake rocker arm assembly is disassembled, reassemble it. 2. Install the oil control jet A with a new O-ring B and the rocker arm assembly C. 3. Install vibration damper D and its holder E. 4. Tighten the...

Installation of cylinder head valve, spring, valve seals
1. Lubricate the valve stems with engine oil. Install the valves into the valve guides. 2. Make sure the valves move up and down freely. 3. Install the spring spacers on the cylinder head. 4. Install new valve stem...

Removal the cylinder head
Note: Protect the fenders to prevent damage to the paintwork. To avoid damage, disconnect electrical connectors carefully, holding the connector by its body. To prevent damage to the cylinder head, wait until the...

Removal the cylinder head valve, spring, valve seals
Note: Mark the valves and valve springs as you remove them so you can return them to their original locations when reinstalling. 1. Remove the camshaft head. 2. Using a suitable size socket A and a plastic hammer B,...

Checking the cylinder head valve
1. Remove the valves. 2. Measure each valve in the directions shown. Inlet valve dimensions A Standard (new): 31.85-32.15 mm. In Standard (new): 116.40-117.00 mm. C Standard (new): 5.48-5.49 mm. With Limit Value: 5.45...

Checking the clearance between the cylinder head valve stem and the guide bushing
1. Remove the valves. 2. Pull the valve out of its guide bushing by about 10 mm, then measure the clearance between the valve stem and the guide bushing using a dial indicator while swinging the stem in a perpendicular...

Replacing the cylinder head valve guide
1. Check the clearance between the valve stem and the guide bushing. 2. As shown in the figure below, use a commercially available air hammer driven valve guide rod A, modified to fit the valve guide diameter. In most...

Installation of cylinder head valve, spring, valve seals
1. Lubricate the valve stems with new engine oil. Install the valves into the valve guides. 2. Make sure the valves move up and down freely. 3. Install the spring spacers on the cylinder head. 4. Install new valve stem...

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Civic 8 (2005-2011)

Civic 7 (2000-2005)