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7) Remove crankshaft position sensor.
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1) Disconnect battery ground cable.
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8) Remove V-belts. <Ref. to ME(SOHC)-42, REMOVAL, V-belt.> or <Ref. to ME(DOHC TURBO)-44, REMOVAL, V-belt.>
9) Remove rear side V-belt tensioner.
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2) Lift-up the vehicle.
3) Remove under cover.
4) Remove bolts which install water pipe of oil cooler to oil pump. (Turbo model)
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10) Remove crankshaft pulley by using ST. ST 499977300 CRANKSHAFT PULLEY WRENCH
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5) Remove water pipe and hoses between oil cooler and water pump. (Turbo model)
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11) Remove water pump. <Ref. to CO-16, REMOVAL, Water Pump.>
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6) Remove radiator. <Ref. to CO-25, REMOVAL, Radiator. >
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12) Remove timing belt guide. (MT vehicles only)
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Install in the reverse order of removal. Do the following:
1) Apply fluid packing to matching surfaces of oil pump.
Fluid packing:
THREE BOND 1215 or equivalent
2) Replace O-ring (A) with a new one.
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13) Remove crankshaft sprocket.
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3) Apply a coat of engine oil to the inside of the oil seal.
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14) Remove bolts which install oil pump onto cylÂinder block.
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4) Be careful not to scratch oil seal when installing oil pump on cylinder block.
5) Position the oil pump, aligning the notched area with the crankshaft, and push the oil pump straight.
CAUTION:
Make sure the oil seal lip is not folded.
6) Install oil pump.
Tightening torque:
6.4 Nm (0.65 kgf-m, 4.7 ft-lb)
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15) Remove oil pump by using flat bladed screwÂdriver.
CAUTION:
Be careful not to scratch mating surfaces of
cylinder block and oil pump.
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Remove screws which secure oil pump cover and disassemble oil pump. Inscribe alignment marks on inner and outer rotors so that they can be replaced in their original positions during reassemÂbly.
CAUTION:
Before removing relief valve, loosen plug when
removing oil pump from cylinder block.
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1) Install front oil seal by using ST.
ST 499587100 OIL SEAL INSTALLER
CAUTION:
Use a new oil seal.
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2) Apply a coat of engine oil to inner and outer rotors.
3) Install inner and outer rotors in their original positions.
4) Install oil relief valve and relief valve spring.
5) Install oil pump cover.
Tightening torque:
T1: 5 Nm (0.5 kgf-m, 3.6 ft-lb) T2: 44 Nm (4.5 kgf-m, 33 ft-lb)
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1. TIP CLEARANCE
Measure the tip clearance of rotors. If the clearÂance exceeds the limit, replace rotors as a matched set.
Tip clearance: Standard
0.04 - 0.14 mm (0.0016 - 0.0055 in) Limit
0.18 mm (0.0071 in)
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Measure clearance between oil pump inner rotor and pump cover. If the clearance exceeds the limit, replace rotor or pump body.
Side clearance: Standard
0.02 - 0.07 mm (0.0008 - 0.0028 in) Limit
0.12 mm (0.0047 in)
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Check the valve for fitting condition and damage, and the relief valve spring for damage and deterioÂration. Replace the parts if defective.
Relief valve spring: Free length
71.8 mm (2.827 in) Installed length
54.7 mm (2.154 in) Load when installed
77.08 N (7.86 kgf, 17.33 lb)
5. OIL PUMP CASE S178070A1005
Check the oil pump case for worn shaft hole, clogged oil passage, worn rotor chamber, cracks, and other faults.
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Measure the clearance between the outer rotor and the cylinder block rotor housing. If the clearÂance exceeds the limit, replace the rotor.
Case clearance: Standard
0.10 - 0.175 mm (0.0039 - 0.0069 in) Limit
0.20 mm (0.0079 in)
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Check the oil seal lips for deformation, hardening, wear, etc. and replace if defective.
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