Emission control

Replacement

78steps
~468min
4/5difficulty
Done 0 of 78
1. Work for preventing gasoline from spilling out 2. Remove front wheels 3. Remove engine under cover rh 4. Remove engine under cover lh 5. Drain coolant 6. Remove cylinder head cover no.2
Toyota Corolla. Replacement
  1. Remove the 2 nuts, 2 clips and cylinder head cover.
7. Disconnect radiator hose inlet
  1. disconnect the radiator hose inlet from the radiator.
8. Disconnect radiator hose outlet
  1. disconnect the radiator hose outlet from the radiator.
9. Disconnect oil cooler inlet tube no.1 (A/t transaxle)
  1. disconnect the oil cooler inlet tube from the radiator.
10. Disconnect oil cooler outlet tube no.1 (A/t transaxle)
  1. disconnect the oil cooler outlet tube from the radiator.
11. Remove radiator support upper (w/ air conditioning)
  1. remove the 2 bolts and 2 radiator support upper.
12. Remove radiator assy (w/ air conditioning)
  1. disconnect the connector and harness clamp, and remove the radiator.
13. Remove battery 14. Remove battery carrier
Toyota Corolla. Remove battery carrier
  1. Remove the 4 bolts and battery carrier.
15. Remove air cleaner assembly with hose
  1. disconnect the mass air flow sensor connector.
  2. disconnect the vsv connector.
    Toyota Corolla. Remove air cleaner assembly with hose
  3. Disconnect the 3 vacuum hoses, as shown in the illustration.
  4. loosen the air cleaner hose clamp and disconnect the air cleaner hose.
  5. remove the air cleaner cap.
  6. remove the air cleaner filter element.
    Toyota Corolla. Remove air cleaner assembly with hose
  7. Disconnect the wire harness clamp, connector and hose.
  8. remove the 3 bolts and air cleaner case.
16. Remove efi fuel pipe clamp 17. Disconnect fuel tube sub–assy 18. Separate accelerator control cable assy
  1. loosen the nut, then remove the accelerator control cable.
19. Separate cruise control actuator assy (w/ cruise control)
Toyota Corolla. Separate cruise control actuator assy
  1. Disconnect the actuator connector.
  2. remove the 2 bolts, then separate the actuator from the body.
20. Disconnect union to connector tube hose
  1. Disconnect the union to connector tube hose from the brake booster.
21. Disconnect heater inlet water hose
Toyota Corolla. Disconnect heater inlet water hose
  1. Disconnect the heater inlet water hose from the air conditioner tube.
22. Disconnect heater outlet water hose
Toyota Corolla. Disconnect heater outlet water hose
  1. Disconnect the heater outlet water hose from the air conditioner tube.
23. Separate floor shift cable transmission control select (m/t transaxle) 24. Separate floor shift cable transmission control shift (m/t transaxle) 25. Separate floor shift cable transmission control shift (a/t transaxle) 26. Separate clutch release cylinder assy (m/t transaxle) 27. Remove glove compartment door assy 28. Disconnect engine wire
Toyota Corolla. Disconnect engine wire
  1. Disconnect the engine wire from the ecm and junction block.
  2. pull out the engine wire.
  3. remove the engine room relay block cover.
  4. disconnect the engine wire from the engine room relay block.
29. Remove fan and generator v belt
Toyota Corolla. Remove fan and generator v belt
  1. Slowly turn the v–ribbed belt tensioner clockwise, then remove the v belt.
30. Separate compressor and magnetic clutch (w/ air conditioning) Hint

: hang up the hoses instead of detaching.

31. Separate return tube sub–assy
Toyota Corolla. Separate return tube sub–assy
  1. Separate the vane pump oil reservoir from the oil reservoir bracket.
  2. remove the 2 bolts installing the return tube.
32. Remove front door scuff plate rh 33. Remove cowl side trim board rh 34. Remove column hole cover silencer sheet
  1. remove the 2 clips and column hole cover silencer sheet.
35. Separate steering intermediate shaft 36. Remove floor panel brace front
  1. remove the 2 nuts and floor panel brace front.
37. Remove exhaust pipe assy front 38. Remove front axle hub lh nut sst 09930–00010 39. Remove front axle hub rh nut sst 09930–00010 40. Separate tie rod end sub–assy lh sst 09628–62011 41. Separate tie rod end sub–assy rh sst 09628–62011 42. Separate front stabilizer link assy lh 43. Separate front stabilizer link assy rh 44. Separate front suspension arm sub–assy lower no.1 Lh 45. Separate front suspension arm sub–assy lower no.1 Rh 46. Separate front axle assy lh 47. Separate front axle assy rh 48. Remove engine assembly with transaxle
Toyota Corolla.  Remove engine assembly with transaxle
  1. Set the engine lifter.
  2. remove the 4 bolts, 2 nuts and engine mounting insulator.
    Toyota Corolla. Remove engine assembly with transaxle
  3. Remove the through bolt and nut, then detach the engine mounting insulator from the vehicle.
    Toyota Corolla. Remove engine assembly with transaxle
  4. Remove the 6 bolts, as shown in the illustration.
  5. carefully, remove the engine with transaxle from the vehicle.
    Toyota Corolla. Remove engine assembly with transaxle
  6. Install the 2 engine hangers with the 2 bolts.

    Part no.:
    12281–15040 For no. 1 Engine hanger 12281–22021 for no. 2 Engine hanger 91512–b1016 for bolt
    torque: 38 nvm (387 Kgf·cm, 28 ft·lbf)

Hint

: be sure to install the engine hanger (12281–22021) to the front side of the engine and the engine hanger (12281–15040) to the rear side.

  1. using the chain block and engine sling device, hang the engine assembly.
49. Separate vane pump assy Notice

: do not disconnect the hose.

50. Remove front suspension crossmember w/center member
Toyota Corolla. Remove front suspension crossmember w/center member
  1. Remove the through bolt and nut, then detach the engine mounting insulator fr from the engine mounting bracket.
    Toyota Corolla. Remove front suspension crossmember w/center member
  2. Remove the through bolt, then detach the engine mounting insulator rr from the suspension crossmember.
  3. separate the engine and transaxle assembly from the suspension crossmember and engine mounting member.
51. Remove starter assy 52. Remove manual transaxle assy (m/t transaxle) 53. Remove automatic transaxle assy (a/t transaxle) 54. Remove clutch cover assy (m/t transaxle) 55. Remove clutch disc assy (m/t transaxle) 56. Remove flywheel sub–assy (m/t transaxle)
Toyota Corolla. Remove flywheel sub–assy
  1. Fix the crankshaft with sst, then remove the 8 bolts and flywheel.

    Sst 09960–10010 (09962–01000, 09963–01000)

57. Remove drive plate & ring gear sub–assy (a/t transaxle)
Toyota Corolla. Remove drive plate & ring gear sub–assy
  1. Fix the crankshaft with sst, then remove the 8 bolts and drive plate & ring gear.

    Sst 09960–10010 (09962–01000, 09963–01000)

58. Remove generator assy 59. Remove ignition coil assy
Toyota Corolla. Remove ignition coil assy
  1. Disconnect the 4 ignition coil connectors.
    Toyota Corolla. Remove ignition coil assy
  2. Remove the bolt and nut installing the engine wire.
    Toyota Corolla. Remove ignition coil assy
  3. Remove the 4 bolts and 4 ignition coils.
60. Remove fuel delivery pipe sub–assy 61. Remove intake manifold
Toyota Corolla. Remove intake manifold
  1. Disconnect the 2 water hoses from the throttle body.
  2. disconnect the 2 vacuum hoses from the intake manifold.
  3. remove the 4 bolts, 2 nut, 2 wire brackets, intake manifold and throttle body assembly.
  4. remove the gasket from the intake manifold and throttle body assembly.
62. Remove oil level gage sub–assy
  1. Remove the oil level gage from the oil level gage guide.
63. Remove oil level gage guide
Toyota Corolla. Remove oil level gage guide
  1. Remove the bolt and oil level gage guide.
64. Remove water by–pass pipe no.1
Toyota Corolla. Remove water by–pass pipe no.1
  1. Remove the 2 bolts, 2 nuts, water by–pass pipe and gasket.
65. Remove water inlet
Toyota Corolla. Remove water inlet
  1. Remove the 2 nuts and water inlet.
66. Remove thermostat 67. Remove engine oil pressure switch assy 68. Remove camshaft position sensor
Toyota Corolla. Remove camshaft position sensor
  1. Remove the bolt and camshaft position sensor.
69. Remove crankshaft position sensor
Toyota Corolla. Remove crankshaft position sensor
  1. Remove the 2 bolts and crankshaft position sensor.
70. Remove knock sensor
Toyota Corolla. Remove knock sensor
  1. Remove the nut and knock sensor.
71. Remove v–ribbed belt tensioner assy
Toyota Corolla. Remove v–ribbed belt tensioner assy
  1. Remove the bolts, nut and v–ribbed belt tensioner.
72. Remove manifold stay
Toyota Corolla. Remove manifold stay
  1. Remove the 3 bolts and manifold stay.
73. Remove exhaust manifold heat insulator no.1
Toyota Corolla. Remove exhaust manifold heat insulator no.1
  1. Remove the 4 bolts and exhaust manifold heat insulator.
74. Remove exhaust manifold
Toyota Corolla. Remove exhaust manifold
  1. Remove the 5 nuts, exhaust manifold and gasket.
75. Remove engine coolant temperature sensor
Toyota Corolla. Remove engine coolant temperature sensor
  1. Using sst, remove the engine coolant temperature sensor.

    Sst 09817–33190

76. Remove radio setting condenser
Toyota Corolla. Remove radio setting condenser
  1. Remove the bolt and condenser.
77. Remove water by–pass hose no.2 78. Remove radiator hose inlet 79. Remove heater inlet water hose 80. Replace partial engine assy 81. Install radio setting condenser
Toyota Corolla. Install radio setting condenser
  1. Install the condenser with the bolt.

    Torque: 10 nvm (102 Kgf·cm, 7 ft·lbf)

82. Install engine coolant temperature sensor
Toyota Corolla.  Install engine coolant temperature sensor
  1. Install a new gasket to the engine coolant temperature sensor.
  2. using sst, install the engine coolant temperature sensor.

    Sst 09817–33190
    torque: 20 nvm (204 Kgf·cm, 15 ft·lbf)

83. Install exhaust manifold
Toyota Corolla. Install exhaust manifold
  1. Install a new gasket and the exhaust manifold with the 5 nuts.

    Torque: 37 nvm (377 Kgf·cm, 27 ft·lbf)

84. Install exhaust manifold heat insulator no.1
Toyota Corolla. Install exhaust manifold heat insulator
  1. Install the exhaust manifold heat insulator with the 4 bolts.

    Torque: 18 nvm (184 Kgf·cm, 13 ft·lbf)

85. Install manifold stay
Toyota Corolla. Install manifold stay
  1. Install the manifold stay with the 3 bolts.

    Torque: 49 nvm (500 Kgf·cm, 36 ft·lbf)

86. Install v–ribbed belt tensioner assy
Toyota Corolla. Install v–ribbed belt tensioner assy
  1. Install the v–ribbed belt tensioner with the bolt and nut.

    Torque:
    29 nvm (296 Kgf·cm, 21 ft·lbf) for nut 69 nvm (704 Kgf·cm, 51 ft·lbf) for bolt

87. Install knock sensor
Toyota Corolla. Install knock sensor
  1. Install the knock sensor with the nut.

    Torque: 20 nvm (204 Kgf·cm, 15 ft·lbf)

88. Install crankshaft position sensor
Toyota Corolla. Install crankshaft position sensor
  1. Install the crankshaft position sensor with the 2 bolts.

    Torque: 9.0 Nvm (92 Kgf·cm, 80 in.Vlbf)

89. Install camshaft position sensor
Toyota Corolla. Install camshaft position sensor
  1. Install the camshaft position sensor with the bolt.

    Torque: 9.0 Nvm (92 Kgf·cm, 80 in.Vlbf)

90. Install engine oil pressure switch assy 91. Install thermostat 92. Install water inlet
Toyota Corolla.  Install water inlet
  1. Install the water inlet with the 2 nuts.

    Torque: 11 nvm (112 Kgf·cm, 8 ft·lbf)

93. Install water by–pass pipe no.1
Toyota Corolla.  Install water by–pass pipe
  1. Install a new gasket and water by–pass with the 2 nuts and 2 bolts.

    Torque: 9.0 Nvm (92 Kgf·cm, 80 in.Vlbf)

94. Install oil level gage guide
Toyota Corolla. Install oil level gage guide
  1. Apply a light coat of a new o–ring, then install it to the oil level gage guide.
  2. install the oil level gage guide with the bolt.

    Torque: 13 nvm (133 Kgf·cm, 10 ft·lbf)

95. Install intake manifold
Toyota Corolla.  Install intake manifold
  1. Install a new gasket to the intake manifold.
  2. install the intake manifold and throttle body assembly with the 2 brackets, 4 bolts and 2 nuts. Uniformly tighten the bolts and nuts in several passes.

    Torque: 30 nvm (306 Kgf·cm, 22 ft·lbf)

  3. connect the 2 vacuum hoses to the intake manifold.
  4. connect the 2 water hoses to the throttle body.
96. Install fuel delivery pipe sub–assy 97. Install ignition coil assy
Toyota Corolla. Install ignition coil assy
  1. Install the 4 ignition coils with the 4 bolts.

    Torque: 9.0 Nvm (92 Kgf·cm, 80 in.Vlbf)

    Toyota Corolla. Install ignition coil assy
  2. Install the engine wire with the bolt and nut.

    Torque: 9.0 Nvm (92 Kgf·cm, 80 in.Vlbf)

98. Install generator assy 99. Install flywheel sub–assy (m/t transaxle)
Toyota Corolla. Install flywheel sub–assy
  1. Fix the crankshaft with sst.

    Sst 09960–10010 (09962–01000, 09963–01000)

    Toyota Corolla. Install flywheel sub–assy
  2. Clean the bolt and bolt hole.
  3. apply adhesive to the bolts.

    Adhesive: part no. 09330–00070, Three bond or equivalent

  4. install and uniformly tighten the 8 bolts, in several passes, in the sequence shown.

    Torque: 49 nvm (500 Kgf·cm, 36 ft·lbf)

    Toyota Corolla. Install flywheel sub–assy
  5. Mark the bolts with paint.
  6. retighten the bolts by an additional 90 .
  7. check that the point marked bolts are moved by 90 angle.
100. Install drive plate & ring gear sub–assy (a/t transaxle)
Toyota Corolla. Install drive plate & ring gear sub–assy
  1. Fix the crankshaft with sst.

    Sst 09960–10010 (09962–01000, 09963–01000)

    Toyota Corolla. Install drive plate & ring gear sub–assy
  2. Clean the bolt and bolt hole.
  3. apply adhesive to the bolts.

    Adhesive: part no. 09330–00070, Three bond or equivalent

  4. install and uniformly tighten the 8 bolts, in several passes, in the sequence shown.

    Torque: 88 nvm (897 Kgf·cm, 65 ft·lbf)

101. Install clutch disc assy (m/t transaxle) sst 09301–00210 102. Install clutch cover assy (m/t transaxle) sst 09301–00210 103. Install manual transaxle assy (m/t transaxle) 104. Install automatic transaxle assy (a/t transaxle) 105. Install starter assy 106. Install front suspension crossmember w/center member
Toyota Corolla.  Install front suspension crossmember w/center member
  1. Attach the engine and transaxle assembly to the suspension crossmember and engine mounting member.
  2. install the bolt holding the rear engine mounting bracket to the mounting insulator.

    Tmmc, nummi made:
    torque: 65 nvm (663 Kgf·cm, 48 ft·lbf) takaoka, tal made:
    torque: 87 nvm (887 Kgf·cm, 64 ft·lbf)

  3. install the bolt holding the front engine mounting bracket to the mounting insulator.

    Torque: 52 nvm (530 Kgf·cm, 38 ft·lbf)

    Toyota Corolla.  Install front suspension crossmember w/center member
107. Install vane pump assy 108. Install engine assembly with transaxle
Toyota Corolla. Install engine assembly with transaxle
  1. Set the engine with transaxle on the engine lifter.
  2. install the engine with transaxle to the vehicle.
  3. temporarily, install the suspension crossmember and 6 bolts.
  4. install the engine mounting insulator lh.

    Torque: 80 nvm (816 Kgf·cm, 59 ft·lbf)

  5. install the engine mounting insulator rh.

    Torque: 52 nvm (530 Kgf·cm, 38 ft·lbf)

    Toyota Corolla. Install engine assembly with transaxle
  6. Insert sst to the positioning holes on the right handle crossmember and on the right–handle of the vehicle.

    Sst 09670–00010

  7. temporarily tighten the bolt a first, then bolt b.
    Toyota Corolla. Install engine assembly with transaxle
  8. Insert sst to the positioning holes on the left handle crossmember and on the left–handle of the vehicle.

    Sst 09670–00010

  9. ) temporarily tighten the bolt a first, then bolt b.
  10. insert sst to the positioning holes on the right–handle crossmember and right–handle of the vehicle, then tighten the bolts with the specified torque.
  11. insert sst to the positioning holes on the right–handle crossmember and left–handle of the vehicle, then tighten the bolts with the specified torque.

    Sst 09670–00010 torque:
    157 nvm (1,601 Kgf·cm, 116 ft·lbf) for bolt a 113 nvm (1,152 Kgf·cm, 83 ft·lbf) for bolt b

    Toyota Corolla. Install engine assembly with transaxle
  12. Tighten the 2 bolts, as shown in the illustration.

    Torque: 39 nvm (398 Kgf·cm, 29 ft·lbf)

Notice

: after installing the crossmember, check that the positioning holes on the crossmember and vehicle are aligned with each other.

109. Install front suspension arm sub–assy lower no.1 Lh 110. Install front suspension arm sub–assy lower no.1 Rh 111. Install front stabilizer link assy lh 112. Install front stabilizer link assy rh 113. Install tie rod end sub–assy lh 114. Install tie rod end sub–assy rh 115. Install front axle hub lh nut 116. Install front axle hub rh nut 117. Install exhaust pipe assy front 118. Install floor panel brace front
  1. install the front floor panel brace with the 2 nuts.

    Torque: 30 nvm (306 Kgf·cm, 22 ft·lbf)

119. Install steering intermediate shaft 120. Install return tube sub–assy
Toyota Corolla. Install return tube sub–assy
  1. Install the return tube with 2 bolts.

    Torque:
    5.0 Nvm (51 Kgf·cm, 44 in.Vlbf) for bolt a 7.8 Nvm (80 Kgf·cm, 69 in.Vlbf) for bolt b

121. Install compressor and magnetic clutch (w/ air conditioning) 122. Install clutch release cylinder assy (m/t transaxle) 123. Install cruise control actuator assy (w/ cruise control)
Toyota Corolla. Install cruise control actuator assy
  1. Install the actuator with the 2 bolts.

    Torque: 6.0 Nvm (61 Kgf·cm, 53 in.Vlbf)

  2. connect the actuator connector.
124. Install air cleaner assembly with hose
Toyota Corolla. Install air cleaner assembly with hose
  1. Install the air cleaner case with the 3 bolts.

    Torque: 7.0 Nvm (71 Kgf·cm, 62 in.Vlbf)

  2. connect the wire harness clamp, connector and hose.
  3. install the air cleaner filter element.
  4. install the air cleaner cap.
  5. connect the air cleaner hose.
    Toyota Corolla. Install air cleaner assembly with hose
  6. Connect the 3 vacuum hoses, as shown in the illustration.
  7. connect the vsv connector.
  8. connect the intake air flow meter connector.
125. Install battery carrier
Toyota Corolla.  Install battery carrier
  1. Install the battery carrier with the 4 bolts.

    Torque: 13 nvm (133 Kgf·cm, 10 ft·lbf)

126. Install battery

Torque:
5.0 Nvm (51 Kgf·cm, 44 in.Vlbf) for bolt 3.5 Nvm (36 Kgf·cm, 31 in.Vlbf) for nut

127. Install radiator support upper (w/ air conditioning)
  1. Install the 2 radiator support uppers with the 2 bolts.

    Torque: 19 nvm (194 Kgf·cm, 14 ft·lbf)

128. Install cylinder head cover no.2
Toyota Corolla. Install cylinder head cover no.2
  1. Install the cylinder head cover with the 2 nuts and 2 clips.

    Torque: 7.0 Nvm (71 Kgf·cm, 62 in.Vlbf)

129. Install front wheels torque: 103 nvm (1,050 Kgf·cm, 76 ft·lbf) 130. Add automatic transaxle fluid (a/t transaxle) 131. Add engine oil 132. Add coolant 133. Check for engine oil leaks 134. Check for engine coolant leaks 135. Check fuel leak 136. Check for exhaust gas leaks 137. Inspect check idle speed and ignition timing sst 09843–18040 138. Inspect co/hc 139. Inspect and adjust front wheel alignment 140. Check abs speed sensor signal (w/ abs)

Test yourself

A quick Toyota Corolla quiz: every answer comes with an explanation and a link to the manual page.