Category: Cylinder Head & Valve Train

Installation CAUTION: Do not rotate the crankshaft or camshaft without installing the belt. The piston could hit a valve and damage may result. 1 . Install the timing belt in the reverse order of removal; Only keypoints are described here. 2 . Remove all spark plugs. 3. Position the crankshaft and the camshaft pulley as […]

Camshafts Inspection NOTE: • Do not rotate the camshaft during inspection. • Remove the rocker arms and rocker shafts. 1. Put the camshafts, the camshaft holders and holder plates on the cylinder head, and then tighten the bolts to the specified torque. NOTE: Apply clean engine oil to 8 mm bolt threads. Specified torque: 8 […]

Valves, Valve Springs and Valve Seals Installation Sequence NOTE: Exhaust and intake valve seals are NOT interchangeable. INTAKE VALVE SPRING VALVE KEEPERS VALVE SPRING RETAINER VALVE SPRING EXHAUST VALVE SEAL (BLACK SPRING) Replace. NOTE: Place the end of valve spring with closely wound coils toward the cylinder head. INTAKE VALVE SEAL (WHITE SPRING) Replace. SPRING […]

Cylinder Heads Installation 2. Install the exhaust manifold covers. Front: HEATED OXYGEN SENSOR 45 N.m (4.5 kg-m, 33 Ib-ft) Be careful not to damage. 6 x 1.0 mm 12 N.m (1.2 kg-m. 9 Ib-ft) GASKET Replace. SELF-LOCKING NUT 8x 1.25 mm 34 N.m (3.4 kg-m, 25 Ib-ft) Replace. EXHAUST MANIFOLD COVER (cont’d) 8x 1.25 mm […]

Special Tools Ref. No. Tool Number Description Qty Page Reference Valve Guide Reamer, 5.5 mm Test Harness Tappet Adjuster Tappet Locknut Wrench Valve Spring Compressor Attachment Extension Test Harness VTEC Plug A/T Low Pressure Gauge A/T Low Pressure Gauge W/Panel A/T Pressure Hose, 1700 mm Valve Guide Driver, 5.5 mm Valve Spring Compressor Attachment 1 […]

CKP/CYP Sensor Replacement NOTE: Turn the crankshaft so fhat the No. 1 piston is at top dead center (see page 6-19 (’91-’93) or (’94-’96)) 1. Remove the timing belt (see page 6-15 (’91-’93) or (’94-’96) 2. Remove the front intake end exhaust camshaft pulleys. 3. Remove the back cover. 4. Remove the CKP/CYP sensor from […]

Cylinder Head/Valve Train Illustrated Index CAUTION: To avoid damaging the cylinder head, wait until the engine coolant temperature drops below 100 °F (38 °C) before removing it. NOTE: CAP NUT 6 x 1.0 mm 10 N.m (1.0 kg-m, 7 Ib-ft) CYLINDER HEAD COVER WASHER AND GROMMET After installation, fill the engine with oil up to […]

Cylinder Heads Removal Engine removal is not required in this procedure. CAUTION: To avoid damaging the cylinder heads, wait until the engine coolant temperature drops below 100°F (38°C) before loosening the retaining bolts. NOTE: Inspect the timing belt before removing the cylinder heads. Turn the crankshaft so that the No. 1 piston is at top […]

Rotate pulley and Inspect belt. for wear. 1 . Remove the ignition coil covers and harness clamps. 2. Disconnect the connectors, then remove the ignition coils. 3. Remove the cylinder head covers. 4. Inspect the timing belt for cracks and coolant or oil soaking. NOTE: TDC MARK BLUE MARK ADJUSTING BOLT 43N.m (4.3 kg-m. 31 […]

Rocker Arms Manual Inspection 1. Remove the ignition coil covers (page 6-23). 2. Remove the ignition coils (page 6-23). 3. Remove the cylinder head covers (page 6-3). 4. Set the No. 1 piston at top dead center (TDC) (page 6-26). 5. Push the mid rocker arm on the No.1 cylinder manually. 6. Check that the […]