Toyota Tacoma 2002-06

Valve Covers

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Removal & Installation



1GR-FE Engine
  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Disconnect cable from negative battery terminal.
  4.  
  5. Drain engine coolant.
  6.  
  7. Remove v-bank cover.
  8.  
  9. Remove air cleaner assembly.
  10.  
  11. Disconnect the 2 water by-pass hoses.
  12.  
  13. Disconnect the fuel vapor feed hose.
  14.  
  15. Disconnect the ventilation hose.
  16.  
  17. Disconnect the 2 VSV connectors.
  18.  
  19. Disconnect the throttle body w/ motor connector.
  20.  
  21. Separate the 3 wire harness clamps and hose clamp.
  22.  
  23. Remove the nut, then separate the clutch flexible hose bracket from the surge tank stay (w/ Manual Transmission).
  24.  
  25. Remove the 2 bolts and throttle body bracket.
  26.  
  27. Remove the bolt and oil baffle plate.
  28.  
  29. Remove the 4 bolts and 2 surge tank stays.
  30.  
  31. Remove the 2 nuts.
  32.  
  33. Remove the 4 bolts, intake air surge tank and gasket.
  34.  
  35. Disconnect the 3 connectors.
  36.  
  37. Remove the 3 bolts, then remove the 3 ignition coils.
  38.  
  39. Remove the 10 bolts, 3 seal washers, 2 nuts, right cylinder head cover and gasket.
  40.  
  41. Remove the 10 bolts, 3 seal washers, 2 nuts, left cylinder head cover and gasket.
  42.  

To install:

  1. Remove any old packing material and be careful not to drop any oil on the contact surfaces of the cylinder head, timing chain cover and cylinder head covers.
  2.  
  3. Install the cylinder head covers within 3 minutes of applying seal packing Part No. 08826-00080 or equivalent. Tighten the cylinder head cover bolts and nuts within 15 minutes of installing the cylinder head covers. Otherwise, the seal packing mush be removed and reapplied.
  4.  
  5. Install the seal washers onto the bolts.

    Click image to see an enlarged view

    Fig. Right valve cover bolt identification-1GR-FE



    Click image to see an enlarged view

    Fig. Left valve cover bolt identification-1GR-FE

  6.  
  7. Install the cylinder head cover with the 10 bolts and 2 nuts. Tighten the bolts and nuts uniformly in several steps as follows:
    1. Bolts labeled A: 10 Nm (7.4 ft. lbs.)
    2.  
    3. Bolts labeled B: 9.0 Nm (80 in. lbs.)
    4.  
    5. Nuts: 9.0 Nm (80 in. lbs.)
    6.  

  8.  
  9. Install the ignition coils and tighten the bolts to 10 Nm (7.4 ft. lbs.)
  10.  
  11. Install a new gasket onto the intake air surge tank.
  12.  
  13. Install the intake air surge tank with the 4 bolts and tighten to 28 Nm (21 ft. lbs)
  14.  
  15. Install the 2 intake air surge tank nuts and tighten to 28 Nm (21 ft. lbs)
  16.  
  17. Install the 2 surge tank stays with the 4 bolts and tighten to 21 Nm (15 ft. lbs)
  18.  
  19. Install the oil baffle plate with the bolt and tighten to 9.0 Nm (80 in. lbs.)
  20.  
  21. Install the throttle body bracket with the 2 bolts and tighten to 21 Nm (15 ft. lbs)
  22.  
  23. Install the clutch flexible hose bracket with the nut (w/ Manual Transmission) and tighten to 24 Nm (18 ft. lbs)
  24.  
  25. Install the 3 wire harness clamps and hose clamp.
  26.  
  27. Connect the throttle body w/ motor connector.
  28.  
  29. Connect the 2 VSV connectors.
  30.  
  31. Connect the ventilation hose.
  32.  
  33. Connect the fuel vapor feed hose.
  34.  
  35. Connect the 2 water by-pass hoses.
  36.  
  37. Install air cleaner assembly.
  38.  
  39. Connect cable to negative battery terminal.
  40.  
  41. Add engine coolant.
  42.  
  43. Check for engine coolant leakage.
  44.  
  45. Install the V-bank cover with the 2 nuts and tighten to 7.5 Nm (66 in. lbs.)
  46.  

2RZ-FE & 3RZ-FE
  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Disconnect the negative battery cable.
  4.  
  5. Remove intake air connector.
  6.  
  7. Remove pcv hoses.
  8.  
  9. Remove ignition coils.
  10.  
  11. Disconnect the a/c compressor connector.
  12.  
  13. Disconnect the oil pressure sensor connector.
  14.  
  15. Disconnect the ect sender gauge connector.
  16.  
  17. Disconnect the 4 engine wire clamps and engine wire.
  18.  
  19. Remove the 10 bolts, 10 seal washers, cylinder head cover and gasket.
  20.  

To install:

  1. Reinstall cylinder head cover.
  2.  
  3. Connect the 4 engine wire clamps and engine wire.
  4.  
  5. Connect the ect sender gauge connector.
  6.  
  7. Connect the oil pressure sensor connector.
  8.  
  9. Connect the a/c compressor connector.
  10.  
  11. Install the ignition coils.
  12.  
  13. Install the pcv hoses.
  14.  
  15. Install the intake air connector.
  16.  
  17. Connect the negative battery cable.
  18.  

2TR-FE
  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Disconnect cable from negative battery terminal
  4.  
  5. Remove air cleaner cap sub-assembly.
  6.  
  7. Remove intake air connector.
  8.  
  9. Disconnect the ignition coil connectors.
  10.  
  11. Disconnect the throttle with motor body connector.
  12.  
  13. Disconnect the VSV connector.
  14.  
  15. Disconnect the camshaft position sensor connector.
  16.  
  17. Disconnect the engine wire harness clamps.
  18.  
  19. Remove the bolts, then remove the ignition coils.
  20.  
  21. Disconnect the ventilation hose.
  22.  
  23. Remove the 19 bolts and 2 nuts, then remove the cylinder head cover.
  24.  

To install:

Click image to see an enlarged view

Fig. Apply sealant where indicated-2TR-FE

  1. Apply seal packing Part No. 08826-00080 or equivalent to the 2 locations shown in the illustration.
    NOTE
    Install the cylinder head cover within 3 minutes of applying the seal packing.


    NOTE
    Do not apply engine oil for at least 2 hours after installation.



    Click image to see an enlarged view

    Fig. Valve cover bolt identification-2TR-FE

  2.  
  3. Install the cylinder head cover with the 19 bolts and 2 nuts as follows:
    1. Step 1: Tighten bolts marked A to 9.0 Nm (80 in. lbs.)
    2.  
    3. Step 2: Tighten bolts marked B and nuts to 9.0 Nm (80 in. lbs.)
    4.  
    5. Step 3: Retighten bolts marked A to 9.0 Nm (80 in. lbs.)
    6.  

  4.  
  5. Connect the ventilation hose.
  6.  
  7. Install the ignition coils with the bolts and tighten to 9.0 Nm (80 in. lbs.)
  8.  
  9. Install the engine wire harness clamps.
  10.  
  11. Connect the camshaft position sensor connector.
  12.  
  13. Connect the VSV connector.
  14.  
  15. Connect the throttle with motor body connector.
  16.  
  17. Connect the ignition coil connectors.
  18.  
  19. Install intake air connector.
  20.  
  21. Install air cleaner cap sub-assembly.
  22.  
  23. Connect cable to negative battery terminal.
  24.  

 
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