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Engine Mechanical (H4SO - 2.5L SOHC): Other Subaru Outback BR

Mechanical 36 illustrations ~3935 words

CAUTION

  1. Wear appropriate work clothing, including a cap, protective goggles and protective shoes when performing any work.
  2. Remove contamination including dirt and corrosion before removal, installation or disassembly.
  3. Keep the disassembled parts in order and protect them from dust and dirt.
  4. Before removal, installation or disassembly, be sure to clarify the failure. Avoid unnecessary removal, installation, disassembly and replacement.
  5. Vehicle components are extremely hot after driving. Be wary of receiving burns from heated parts.
  6. Be sure to tighten fasteners including bolts and nuts to the specified torque.
  7. Place shop jacks or rigid racks at the specified points.
  8. Before disconnecting connectors of sensors or units, be sure to disconnect the ground cable from the battery.
  9. All parts should be thoroughly cleaned, paying special attention to engine oil passages, pistons and bearings.
  10. Rotating parts and sliding parts such as piston, bearing and gear should be coated with oil prior to assembly.
  11. Be careful not to let oil, grease or coolant contact the timing belt, clutch disc and flywheel.
  12. All removed parts, if to be reused, should be reinstalled in the original positions and directions.
  13. Bolts, nuts and washers should be replaced with new parts as required.
  14. Even if necessary inspections have been made in advance, proceed with assembly work while making re-checks.
  15. Remove or install the engine in an area where chain hoists, lifting devices, etc. are available for ready use.
  16. Be sure not to damage coated surfaces of body panels with tools, or not to stain seats and windows with coolant or oil. Place a cover over fender, as required, for protection.
  17. Prior to starting work, prepare the following: Service tools, clean cloth, containers to catch coolant and oil, wire ropes, chain hoist, transmission jacks, etc.
  18. Lift up or lower the vehicle when necessary. Make sure to support the correct positions.

GENERAL TOOL

TOOL NAMEREMARKS
Compression gaugeUsed for measuring compression.
Vacuum gaugeUsed for measuring intake manifold vacuum.
Oil pressure gaugeUsed for measuring engine oil pressure.
Fuel pressure gaugeUsed for measuring fuel pressure.
Timing lightUsed for measuring ignition timing.

GENERAL TOOL REFERENCE

METHOD WITH SUBARU SELECT MONITOR

  1. Before checking the ignition timing, check the following item: Check the air cleaner element is free from clogging, spark plugs are in good condition, and hoses are connected properly. Check the malfunction indicator light does not illuminate.
  2. Warm up the engine.
  3. Read the ignition timing using Subaru Select Monitor. Ref. to «READ CURRENT DATA FOR ENGINE (NORMAL MODE)»(ref-371914-S24953327312010091900000) , OPERATION, Subaru Select Monitor. NOTE: If ignition timing is out of standard, check the ignition control system. Refer to "Engine Control System". Ref. to «BASIC DIAGNOSTIC PROCEDURE»(ref-371914-S35680276532010091900000) . Ignition timing [BTDC/RPM]: Standard 15°±107675 (CVT model) 10°±87650 (MT model)

METHOD WITH TIMING LIGHT

  1. Before checking the ignition timing, check the following item: Check the air cleaner element is free from clogging, spark plugs are in good condition, and hoses are connected properly. Check the malfunction indicator light does not illuminate.
  2. Warm up the engine.
  3. Stop the engine, and turn the ignition switch to OFF.
  4. Connect the timing light to the power wire of #1 ignition coil.
  5. Start the engine, turn the timing light to the crank pulley, and check the ignition timing through the timing belt cover gauge. NOTE: If the ignition timing is not correct, check the ignition control system. Refer to "Engine Control System". Ref. to «BASIC DIAGNOSTIC PROCEDURE»(ref-371914-S35680276532010091900000) . Ignition timing [BTDC/RPM]: Standard 15°±107675 (CVT model) 10°±107650 (MT model)
  6. After inspection, install the related parts in the reverse order of removal.

Scheme 180

Scheme 180: INSPECTION
  1. Warm up the engine.
  2. Disconnect the brake booster vacuum hose from the intake manifold, and attach the vacuum gauge.
  3. Keep the engine at idle speed and read the vacuum gauge indication. NOTE: Condition of engine inside can be diagnosed by observing the behavior of the vacuum gauge needle as described in table below. Intake manifold vacuum (at idling, A/C OFF): Standard -60.0 kPa (-450 mmHg, -17.72 inHg) or more
  4. After inspection, install the related parts in the reverse order of removal. STANDARD SPECIFICATION Diagnosis of engine condition by inspection of intake manifold vacuum Vacuum gauge needle behavior Possible engine condition 1. Needle is steady but lower than standard value. This tendency becomes more evident as engine temperature rises. Leakage around intake manifold gasket, disconnection or damage of vacuum hose 2. Needle intermittently drops to position lower than standard value. Leakage around cylinder 3. Needle drops suddenly and intermittently from standard value. Sticky valve 4. When engine speed is gradually increased, needle begins to vibrate rapidly at certain speed, and then vibration increases as engine speed increases. Weak or broken valve springs 5. Needle vibrates above and below standard value in narrow range. Defective ignition system

Scheme 181

Scheme 181: INSPECTION

Scheme 182

Scheme 182
  1. Disconnect the ground cable from battery.
  2. Remove the oil pressure switch. Ref. to «REMOVAL»(ref-371883-S13103949422010091900000) , Oil Pressure Switch.
  3. Attach the oil pressure gauge to the cylinder block.
  4. Connect the ground cable to battery.
  5. Start the engine, and measure the oil pressure. NOTE: Standard value is based on an engine oil temperature of 80°C (176°F). If the oil pressure is out of specification, check oil pump, oil filter and lubrication line. Ref. to «INSPECTION»(ref-371883-S15796491482010091900000) , Engine Lubrication System Trouble in General. If the oil pressure warning light is ON and oil pressure is within specification, check the oil pressure switch. Ref. to «INSPECTION»(ref-371883-S15796491482010091900000) , Engine Lubrication System Trouble in General. Engine oil pressure: Standard 98 kPa (1.0 kgf/cm 2 , 14 psi) or more at 600 RPM 294 kPa (3.0 kgf/cm 2 , 43 psi) or more at 5,000 RPM
  6. After inspection, install the related parts in the reverse order of removal.

V-BELT

Install in the reverse order of removal.

Scheme 183

Scheme 183: V-BELT

BELT TENSION PULLEY

  1. Check the mating surfaces of timing belt and contact point of adjuster rod for abnormal wear or scratches. Replace the automatic belt tension adjuster assembly with a new part if faulty.
  2. Check the belt tension pulley for smooth rotation. Replace the automatic belt tension adjuster assembly with a new part if abnormal noise or excessive play occurs.
  3. Check the belt tension pulley for grease leakage.

BELT IDLER

  1. Check the belt idler for smooth rotation. Replace if noise or excessive play occurs.
  2. Check the outer contacting surfaces of idler pulley for abnormal wear and scratches.
  3. Check the belt idler for grease leakage.

VALVE SEAT

Inspect the intake and exhaust valve seats, and correct the contact surfaces with a valve seat cutter if they are defective or when valve guides are replaced.

Contacting width of valve and valve seat W

Standard

Intake (A)

0.8 - 1.4 mm (0.03 - 0.055 in)

Exhaust (B)

1.2 - 1.8 mm (0.047 - 0.071 in)

Scheme 184

Scheme 184: VALVE SEAT

Scheme 185

Scheme 185

Scheme 186

Scheme 186: VALVE GUIDE

Scheme 187

Scheme 187

Scheme 188

Scheme 188

Scheme 189

Scheme 189

Scheme 190

Scheme 190

Scheme 191

Scheme 191

Scheme 192

Scheme 192
  1. Check the clearance between valve guide and valve stem. The clearance can be checked by measuring respectively the outer diameter of valve stem with a micrometer and the inner diameter of valve guide with a caliper gauge. Clearance between the valve guide and valve stem: Standard Intake 0.035 - 0.062 mm (0.0014 - 0.0024 in) Exhaust 0.040 - 0.067 mm (0.0016 - 0.0026 in)
  2. If the clearance between the valve guide and valve stem exceeds the standard, replace the valve guide or valve itself, whichever shows greater amount of wear or damage. See the following procedure for valve guide replacement. Valve guide inner diameter: 6.000 - 6.012 mm (0.2362 - 0.2367 in) Valve stem outer diameters: Intake 5.950 - 5.965 mm (0.2343 - 0.2348 in) Exhaust 5.945 - 5.960 mm (0.2341 - 0.2346 in) Place the cylinder head on ST1 with the combustion chamber upward so that valve guides fit the holes in ST1. Insert the ST2 into valve guide and press it down to remove the valve guide. ST1 498267800 CYLINDER HEAD TABLE ST2 499767200 VALVE GUIDE REMOVER Turn the cylinder head upside down and place the ST as shown in the figure. Intake side ST 499767700 VALVE GUIDE ADJUSTER Exhaust side ST 499767800 VALVE GUIDE ADJUSTER Before installing a new valve guide, make sure that neither scratches nor damages exist on the inner surface of valve guide holes in cylinder head. Coat a new valve guide with sufficient oil, put it into the cylinder head, and insert the ST1 into the valve guide. Press in until the valve guide upper end is flush with the upper surface of ST2. ST1 499767200 VALVE GUIDE REMOVER Intake side ST2 499767700 VALVE GUIDE ADJUSTER Exhaust side ST2 499767800 VALVE GUIDE ADJUSTER Check the valve guide protrusion amount Valve guide protrusion amount L: Intake 20.0 - 21.0 mm (0.787 - 0.827 in) Exhaust 16.5 - 17.5 mm (0.650 - 0.689 in) Ream the inside of valve guide using ST. Put the ST in valve guide, and rotate the ST slowly clockwise while pushing it lightly. Bring the ST back while rotating it clockwise. NOTE: Apply engine oil to the ST when reaming. If the inner surface of valve guide is damaged, the edge of ST should be slightly ground with oil stone. If the inner surface of valve guide becomes lustrous and the ST does not chip, use a new ST or remedy the ST. ST 499767400 VALVE GUIDE REAMER After reaming, clean the valve guide to remove chips. Recheck the contact condition between valve and valve seat after replacing the valve guide.

Scheme 193

Scheme 193: INTAKE AND EXHAUST VALVE
  1. Inspect the flange and valve stem of valve, and replace the valve with a new part if damaged, worn, deformed, or if dimension "H" in the figure is outside of the specified limit. Head edge thickness H: Intake (A) Standard 0.8 - 1.2 mm (0.03 - 0.047 in) Exhaust (B) Standard 1.0 - 1.4 mm (0.039 - 0.055 in)
  2. Put a small amount of grinding compound on the valve seat surface, and lap the valve and valve seat surface. Replace with a new valve oil seal after lapping. NOTE: It is possible to differentiate between the intake valve and the exhaust valve by their overall length. Valve overall length: Intake 120.6 mm (4.75 in) Exhaust 121.7 mm (4.79 in)

Scheme 194

Scheme 194: VALVE SPRING
  1. Check the valve springs for damage, free length, and tension. Replace the valve spring if it is not within the standard value presented in the table.
  2. To measure the squareness of the valve spring, stand the valve spring on a surface plate and measure its deflection at the top of valve spring using a right angle gauge. VALVE SPRING SPECIFICATION Free length mm (in) 55.2 (2.173) Tension/spring height N (kgf, lb)/mm (in) Set 235.3 - 270.7 (24 - 27.6,52.9 - 60.8)/45.0 (1.772) Lift 578.9 - 639.9 (59.1 - 65.3, 130.3 - 143.9)/34.7 (1.366) Squareness 2.5°, 2.4 mm (0.094 in) or less

Scheme 195

Scheme 195: INTAKE AND EXHAUST VALVE OIL SEAL
  1. For the following, replace the oil seal with a new part. See the procedure 2) and subsequent for replacement procedures. When the lip is damaged. When the spring is out of the specified position. When readjusting the surfaces of valve and valve seat. When replacing the valve guide.
  2. Place the cylinder head on ST1, and use ST2 to press-fit the oil seal. ST1 498267800 CYLINDER HEAD TABLE ST2 498857100 VALVE OIL SEAL GUIDE NOTE: Apply engine oil to oil seal before press-fitting. When press-fitting the oil seal, do not use a hammer or strike in. The intake valve oil seals and exhaust valve oil seals are distinguished by their colors. Color of rubber part: Intake [Gray] Exhaust [Green]

CYLINDER BLOCK

  1. Check for cracks or damage. Use liquid penetrant tester on the important sections to check for fissures. Check that there are no marks of gas leaking or water leaking on gasket installing surface.
  2. Check the oil passages for clogging.
  3. Inspect the cylinder head surface that mates with cylinder block for warping by using a straight edge, and correct by grinding if necessary. Warping limit: 0.025 mm (0.00098 in) Grinding limit: 0.1 mm (0.004 in) Standard height of cylinder block: 201.0 mm (7.91 in)

Scheme 196

Scheme 196: CYLINDER AND PISTON

Scheme 197

Scheme 197

Scheme 198

Scheme 198
  1. The cylinder bore size is stamped on the front upper face of the cylinder block. NOTE: Measurement should be performed at a temperature of 20°C (68°F). Standard sized pistons are classified into two grades, "A" and "B". These grades should be used as guide lines in selecting a standard piston. Standard diameter: A: 99.505 - 99.515 mm (3.9175 - 3.9179 in) B: 99.495 - 99.505 mm (3.9171 - 3.9175 in)
  2. Measure inner diameter of each cylinder. Measure the inner diameter of each cylinder in both the thrust and piston pin directions at the heights as shown in the figure, using a cylinder bore gauge. NOTE: Measurement should be performed at a temperature of 20°C (68°F). Taper: Standard 0.015 mm (0.0006 in) Out-of-roundness: Standard 0.010 mm (0.0004 in)
  3. When the piston is to be replaced due to general or cylinder wear, select a suitable sized piston by measuring the piston clearance.
  4. Measure outer diameter of each piston. Measure the outer diameter of each piston at the height as shown in the figure. (Thrust direction) NOTE: Measurement should be performed at a temperature of 20°C (68°F). Piston grade point H: 38.2 mm (1.504 in) Piston outer diameter: Standard A: 99.510 - 99.520 mm (3.9177 - 3.9181 in) B: 99.500 - 99.510 mm (3.9173 - 3.9177 in) 0.25 mm (0.0098 in) oversize: 99.750 - 99.770 mm (3.9272 - 3.9280 in) 0.50 mm (0.0197 in) oversize: 100,000 - 100.020 mm (3.9370 - 3.9378 in)
  5. Calculate the clearance between cylinder and piston. NOTE: Measurement should be performed at a temperature of 20°C (68°F). Cylinder to piston clearance at 20°C (68°F): Standard -0.015 - 0.005 mm (-0.00059-0.00020 in)
  6. Boring and honing If any of the measured value of taper, out-of-roundness or cylinder-to-piston clearance is out of standard or if there is any damage on the cylinder wall, rebore it to replace with an oversize piston. CAUTION: When any of the cylinders needs reboring, all other cylinders must be bored at the same time, and replaced with oversize pistons. If the cylinder inner diameter exceeds the limit after boring and honing, replace the cylinder block. NOTE: Immediately after reboring, the cylinder diameter may differ from its real diameter due to temperature rise. Thus, when measuring the cylinder diameter, wait until it has cooled to room temperature. Cylinder inner diameter boring limit To 100.005 mm (3.9372 in)

Scheme 199

Scheme 199: PISTON AND PISTON PIN

Scheme 200

Scheme 200

Scheme 201

Scheme 201
  1. Check the piston and piston pin for damage, cracks or wear. Replace if faulty.
  2. Check the piston ring groove for wear or damage. Replace if faulty.
  3. Make sure the piston pin can be inserted into the piston pin hole by a thumb at 20°C (68°F). Replace if faulty. Clearance between piston pin hole and piston pin: Standard 0.004 - 0.008 mm (0.0002 - 0.0003 in)
  4. Check the snap ring installation groove (A) on the piston for burr. If necessary, remove burr from the groove so that the piston pin can lightly move.
  5. Check the piston pin snap ring for distortion, cracks and wear.

Scheme 202

Scheme 202: PISTON RING

Scheme 203

Scheme 203

Scheme 204

Scheme 204
  1. If the piston ring is broken, damaged or worn, or if its tension is insufficient, or when the piston is replaced, replace the piston ring with a new part of the same size as piston. NOTE: The top ring and second ring have the mark to determine the direction for installing. When attaching the ring to the piston, face these marks towards the top side. Oil ring consists of the upper rail, expander and lower rail. When attaching the oil ring to the piston, pay attention to the direction of each rail.
  2. Using the piston, insert the piston ring and oil ring into the cylinder so that they are perpendicular to the cylinder wall, and measure the piston ring gap with a thickness gauge. STANDARD SPECIFICATION Standard mm (in) Piston ring gap Top ring 0.20 - 0.35 (0.0079 - 0.0138) Second ring 0.37 - 0.52 (0.0146 - 0.0205) Oil ring rail 0.20 - 0.50 (0.0079 - 0.0197)
  3. Fit the piston ring straight into the piston ring groove, then measure the clearance between piston ring and piston ring groove with a thickness gauge. NOTE: Before measuring the clearance, clean the piston ring groove and piston ring. STANDARD SPECIFICATION Standard mm (in) Clearance between piston ring and piston ring groove Top ring 0.040 - 0.080 (0.0016 - 0.0031) Second ring 0.030 - 0.070 (0.0012 - 0.0028)

Scheme 205

Scheme 205: CONNECTING ROD

Scheme 206

Scheme 206

Scheme 207

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Scheme 208

Scheme 208
  1. Replace the connecting rod, if the large or small end thrust surface is damaged.
  2. Check for bend or twist using a connecting rod aligner. Replace the connecting rod if the bend or twist exceeds the limit. Limit of bend or twist per 100 mm (3.94 in) in length: 0.10 mm (0.0039 in)
  3. Install the connecting rod with bearings attached to the crankshaft, and using a thickness gauge, measure the thrust clearance. If the thrust clearance exceeds the standard or uneven wear is found, replace the connecting rod. Connecting rod thrust clearance: Standard 0.070 - 0.330 mm (0.0028 - 0.0130 in)
  4. Inspect the connecting rod bearing for scar, peeling, seizure, melting, wear, etc.
  5. Measure the oil clearance on each connecting rod bearing using plastigauge. If any oil clearance is not within the standard, replace the defective bearing with a new part of standard size or undersize as necessary. Connecting rod oil clearance: Standard 0.016 - 0.044 mm (0.0006 - 0.0017 in) BEARING THICKNESS CHART Unit: mm (in) Bearing Bearing size (Thickness at center) Outer diameter of crank pin Standard 1.492-1.501 (0.0587 - 0.0591) 51.984 - 52.000 (2.0466 - 2.0472) 0.03 (0.0012) Undersize 1.510 - 1.513 (0.0594 - 0.0596) 51.954 - 51.970 (2.0454 - 2.0461) 0.05 (0.0020) Undersize 1.520 - 1.523 (0.0598 - 0.0600) 51.934 - 51.950 (2.0446 - 2.0453) 0.25 (0.0098) Undersize 1.620 - 1.623 (0.0638 - 0.0639) 51.734 - 51.750 (2.0368 - 2.0374)
  6. Inspect the bushing at connecting rod small end, and replace with a new part if worn or damaged.
  7. Measure the piston pin clearance at connecting rod small end. Replace it with a new part if the value is not within the standard, Clearance between piston pin and bushing: Standard 0 - 0.022 mm (0 - 0.0009 in)
  8. The replacement procedure for the connecting rod small end bushing is as follows. Remove the bushing from connecting rod with ST and press. Press the bushing with the ST after applying oil on the periphery of new bushing. ST 499037100 CONNECTING ROD BUSHING REMOVER AND INSTALLER Make two 3 mm (0.12 in) holes in the pressed bushing to match the pre-manufactured holes on the connecting rod, then ream the inside of the bushing. After completion of reaming, clean the bushing to remove chips.

Scheme 209

Scheme 209: CRANKSHAFT AND CRANKSHAFT BEARING

Scheme 210

Scheme 210

Scheme 211

Scheme 211
  1. Clean the crankshaft completely, and check it for cracks using liquid penetrant tester. If defective, replace the crankshaft.
  2. Measure warping of the crankshaft. If it exceeds the limit, correct or replace it. NOTE: If a suitable V-block is not available, using just the #1 and #5 crankshaft bearings on cylinder block, position the crankshaft on cylinder block. Then, measure the crankshaft bend using a dial gauge. Crankshaft bend limit: 0.035 mm (0.0014 in)
  3. Inspect the crank journal and crank pin for wear. If they are not within the standard, replace the bearing with a suitable (undersize) one, and replace or grind to correct the crankshaft as necessary. When grinding the crank journal or crank pin, finish them to the specified dimensions according to the undersize bearing to be used. Crank pin Out-of-roundness 0.003 mm (0.0001 in) Cylindricality 0.004 mm (0.0002 in) Grinding limit (dia.) To 51.750 mm (2.0374 in) Crank journal Out-of-roundness 0.005 mm (0.0002 in) Cylindricality 0.006 mm (0.0002 in) Grinding limit (dia.) To 59.758 mm (2.3527 in) CRANK JOURNAL OUTER DIAMETER CHART Unit: mm (in) Crank journal outer diameter Crank pin outer diameter #1,#3 #2, #4, #5 Standard Journal O.D. 59.992 - 60.008 (2.3619 - 2.3625) 59.992 - 60.008 (2.3619 - 2.3625) 51.984 - 52.000 (2.0466 - 2.0472) Bearing size (Thickness at center) 1.998 - 2.011 (0.0787 - 0.0792) 2.000 - 2.013 (0.0787 - 0.0793) 1.492 - 1.501 (0.0587 - 0.0591) 0.03(0.0012) Undersize Journal O.D. 59.962 - 59.978 (2.3607 - 2.3613) 59.962 - 59.978 (2.3607 - 2.3613) 51.954 - 51.970 (2.0454 - 2.0461) Bearing size (Thickness at center) 2.017 - 2.020 (0.0794 - 0.0795) 2.019 - 2.022 (0.0795 - 0.0796) 1.510 - 1.513 (0.0594 - 0.0596) 0.05 (0.0020) Undersize Journal O.D. 59.942 - 59.958 (2.3599 - 2.3605) 59.942 - 59.958 (2.3599 - 2.3605) 51.934 - 51.950 (2.0446 - 2.0453) Bearing size (Thickness at center) 2.027 - 2.030 (0.0798 - 0.0799) 2.029 - 2.032 (0.0799 - 0.0800) 1.520 - 1.523 (0.0598 - 0.0600) 0.25 (0.0098) Undersize Journal O.D. 59.742 - 59.758 (2.3520 - 2.3527) 59.742 - 59.758 (2.3520 - 2.3527) 51.734 - 51.750 (2.0368 - 2.0374) Bearing size (Thickness at center) 2.127 - 2.130 (0.0837 - 0.0839) 2.129 - 2.132 (0.0838 - 0.0839) 1.620 - 1.623 (0.0638 - 0.0639)
  4. Use a thickness gauge to measure the thrust clearance of crankshaft at #5 crank journal bearing. If clearance exceeds the standard, replace the bearing. Crankshaft thrust clearance: Standard 0.030 - 0.115 mm (0.0012 - 0.0045 in)
  5. Inspect individual crankshaft bearings for signs of flaking, seizure, melting and wear.
  6. Measure the oil clearance on each crankshaft bearing using plastigauge. If the measured value is out of standard, replace the defective bearing with an undersize one, and replace or grind to correct the crankshaft as necessary. Crankshaft oil clearance: Standard 0.010 - 0.030 mm (0.0004 - 0.0012 in)

Scheme 212

Scheme 212
  1. Disconnect the ground cable from battery.
  2. Remove the air intake boot assembly. Ref. to «REMOVAL»(ref-371894-S06764648272010091900000) , Air Intake Boot.
  3. Remove the bolt, and disconnect the bulkhead harness connector from the engine harness connector and rear engine hanger.
  4. Slide the engine harness connector in the direction of the arrow and remove it from the rear engine hanger.
  5. Disconnect the connector from the oil switching solenoid valve.
  6. Remove the oil switching solenoid valve.
  7. Remove the variable valve lift diagnosis oil pressure switch. Ref. to «REMOVAL»(ref-371892-S19954041162010091900000) , Variable Valve Lift Diagnosis Oil Pressure Switch.
  8. Remove the oil temperature sensor. Ref. to «REMOVAL»(ref-371892-S41442133492010091900000) , Oil Temperature Sensor.
  9. Remove the oil switching solenoid valve holder from the cylinder head.

Scheme 213

Scheme 213
  1. Disconnect the ground cable from battery.
  2. Remove the V-belts. Ref. to «REMOVAL»(ref-371888-S21452173932010091900000) , V-belt.
  3. Remove the crank pulley. Ref. to «REMOVAL»(ref-371888-S03610697542010091900000) , Crank Pulley.
  4. Remove the timing belt cover. Ref. to «REMOVAL»(ref-371888-S12311687662010091900000) , Timing Belt Cover.
  5. Remove the timing belt. Ref. to «REMOVAL»(ref-371888-S21449659352010091900000) , Timing Belt.
  6. Remove the cam sprocket. Ref. to «REMOVAL»(ref-371888-S35191594932010091900000) , Cam Sprocket.
  7. Remove the timing belt cover No. 2 LH.
  8. Disconnect the connector from the oil switching solenoid valve.
  9. Remove the oil switching solenoid valve.
  10. Remove the variable valve lift diagnosis oil pressure switch. Ref. to «REMOVAL»(ref-371892-S19954041162010091900000) , Variable Valve Lift Diagnosis Oil Pressure Switch.
  11. Remove the oil switching solenoid valve holder from the cylinder head.

RH SIDE

Install in the reverse order of removal.

Note. Use a new gasket. Apply liquid gasket to variable valve lift diagnosis oil pressure switch threads. Install the oil switching solenoid valve to the holder, then install it to the cylinder head.

Tightening torque

T1: 6.4 N.m (0.7 kgf-m, 4.7 ft-lb)

T2: 10 N.m (1.0 kgf-m, 7.4 ft-lb)

T3: 17 N.m (1.7 kgf-m, 12.5 ft-lb)

T4: 18 N.m (1.8 kgf-m, 13.3 ft-lb)

Liquid gasket

THREE BOND 1324 (Part No. 004403042) or equivalent

Scheme 214

Scheme 214: RH SIDE

Tightening torque

6.4 N.m (0.7 kgf-m, 4.7 ft-lb)

LH SIDE

Install in the reverse order of removal.

Note. Use a new gasket. Apply liquid gasket to variable valve lift diagnosis oil pressure switch threads. Install the oil switching solenoid valve to the holder, then install it to the cylinder head.

Tightening torque

T1: 6.4 N.m (0.7 kgf-m, 4.7 ft-lb)

T2: 10 N.m (1.0 kgf-m, 7.4 ft-lb)

T3: 17 N.m (1.7 kgf-m, 12.5 ft-lb)

Liquid gasket

THREE BOND 1324 (Part No. 004403042) or equivalent

Scheme 215

Scheme 215: LH SIDE