Mazda Tribute 2001-06

Cylinder Head

Print

Removal & Installation



2.0L Engine
  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Properly relieve the fuel system pressure.
  4.  
  5. Drain the engine oil.
  6.  
  7. Remove or disconnect the following:

    Negative battery cable
     
    Ignition coil bracket
     
    Thermostat housing
     
    Positive Crankcase Ventilation (PCV) tube
     
    Intake manifold
     
    Exhaust manifold
     
    Power steering bracket and move it aside
     
    Valve tappets
     
    Engine mount lower bracket
     
    Engine mount upper bracket
     
    Cylinder head bolts in the proper sequence and discard the gasket
     

  8.  

To install:

  1. Install a new head gasket and the cylinder head.
  2.  
  3. Lubricate the cylinder head bolt threads.
  4.  
  5. Torque the cylinder head bolts in the proper sequence as follows:
    1. Step 1: 15 ft. lbs. (20 Nm).
    2.  
    3. Step 2: 30 ft. lbs. (40 Nm).
    4.  
    5. Step 3: Plus an additional 90 degrees.
    6.  

  6.  
  7. Install or connect the following:

    Engine mount upper bracket. Torque the 2 upper bolts to 72 ft. lbs. (98 Nm) and the center bolt to 57 ft. lbs. (77 Nm).
     
    Engine mount lower bracket. Torque the bolts to 37 ft. lbs. (50 Nm).
     
    Valve tappets
     
    Power steering pump bracket. Torque the bolts to 20 ft. lbs. (28 Nm).
     
    Exhaust manifold
     
    Intake manifold
     
    PCV tube
     
    Thermostat housing
     
    Ignition coil bracket
     
    Negative battery cable
     

  8.  
  9. Fill the engine with clean oil and replace the filter.
  10.  
  11. Start the vehicle and check for leaks, repair if necessary.
  12.  


    Click image to see an enlarged view

    Fig. Cylinder head bolt torque sequence 2.0L engine


  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Properly relieve the fuel system pressure.
  4.  
  5. Drain the engine oil.
  6.  
  7. Remove or disconnect the following:

    Negative battery cable
     
    Ignition coil bracket
     
    Thermostat housing
     
    Positive Crankcase Ventilation (PCV) tube
     
    Intake manifold
     
    Exhaust manifold
     
    Power steering bracket and move it aside
     
    Valve tappets
     
    Engine mount lower bracket
     
    Engine mount upper bracket
     
    Cylinder head bolts in the proper sequence and discard the gasket
     

  8.  

To install:

  1. Install a new head gasket and the cylinder head.

    Click image to see an enlarged view

    Fig. Cylinder head bolt torque sequence-2.0L engine

  2.  
  3. Lubricate the cylinder head bolt threads.
  4.  
  5. Torque the cylinder head bolts in the proper sequence as follows:
    1. Step 1: 15 ft. lbs. (20 Nm).
    2.  
    3. Step 2: 30 ft. lbs. (40 Nm).
    4.  
    5. Step 3: Plus an additional 90 degrees.
    6.  

  6.  
  7. Install or connect the following:

    Engine mount upper bracket. Torque the 2 upper bolts to 72 ft. lbs. (98 Nm) and the center bolt to 57 ft. lbs. (77 Nm).
     
    Engine mount lower bracket. Torque the bolts to 37 ft. lbs. (50 Nm).
     
    Valve tappets
     
    Power steering pump bracket. Torque the bolts to 20 ft. lbs. (28 Nm).
     
    Exhaust manifold
     
    Intake manifold
     
    PCV tube
     
    Thermostat housing
     
    Ignition coil bracket
     
    Negative battery cable
     

  8.  
  9. Fill the engine with clean oil and replace the filter.
  10.  
  11. Start the engine and check for leaks, repair if necessary.
  12.  

2.3L Engine


Click image to see an enlarged view

Fig. Cylinder head removal-2.3L engine


WARNING
During engine repair procedures, cleanliness is extremely important. Any foreign material, including any material created while cleaning gasket surfaces, that enters the oil passages, coolant passages or the oil pan can cause engine failure.

  1. With the vehicle in NEUTRAL, position it on a hoist.
  2.  
  3. Remove the camshafts.
  4.  
  5. Remove the intake manifold.
  6.  
  7. Remove the catalytic converter.
  8.  
  9. Disconnect the radio ignition interference capacitor electrical connector
  10.  
  11. Disconnect the exhaust gas recirculation (EGR) valve electrical connector
  12.  
  13. Remove the upper radiator hose.
  14.  
  15. Remove the EGR coolant tube clamp.
  16.  
  17. Remove the EGR coolant hose.
  18.  
  19. Remove the engine coolant vent hose.
  20.  
  21. Remove the heater hose.
  22.  
  23. Remove the bypass hose.
  24.  
  25. Remove and discard the cylinder head bolts.
  26.  
  27. Remove the cylinder head.
  28.  
  29. Remove the cylinder head gasket.
  30.  
  31. Inspect the cylinder head for distortion.
  32.  


WARNING
Do not use metal scrapers, wire brushes, power abrasive discs or other abrasive means to clean the sealing surfaces. These tools cause scratches and gouges that make leak paths. Use a plastic scraping tool to remove all traces of the head gasket.


WARNING
Observe all warnings or cautions and follow all application directions contained on the packaging of the silicone gasket remover and the metal surface prep.


NOTE
If there is no residual gasket material present, metal surface prep can be used to clean and prepare the surfaces.

  1. Clean the cylinder head-to-cylinder block mating surface of both the cylinder head and the cylinder block.
  2.  
  3. Remove any large deposits of silicone or gasket material with a plastic scraper.
  4.  
  5. Apply silicone gasket remover, following package directions, and allow to set for several minutes.
  6.  
  7. Remove the silicone gasket remover with a plastic scraper. A second application of silicone gasket remover may be required if residual traces of silicone or gasket material remain.
  8.  
  9. Apply metal surface prep, following package directions, to remove any traces of oil or coolant, and to prepare the surfaces to bond with the new gasket. Do not attempt to make the metal shiny. Some staining of the metal surfaces is normal.
  10.  
  11. Apply silicone gasket and sealant to the locations shown.
  12.  
  13. Install a new head gasket.
  14.  


NOTE
The cylinder head bolts are torque-to-yield and must not be reused. New cylinder head bolts must be installed.


NOTE
Lubricate the bolts with clean engine oil prior to installation.



Click image to see an enlarged view

Fig. Cylinder head bolt torque sequence-2.3L engine

  1. Install new cylinder head bolts. Tighten the bolts in the sequence shown in five stages.
    1. Tighten the bolts to 5 Nm (44 inch lbs.).
    2.  
    3. Tighten the bolts to 15 Nm (11 ft. lbs.).
    4.  
    5. Tighten the bolts to 45 Nm (33 ft. lbs.).
    6.  
    7. Turn the bolts 90 degrees.
    8.  
    9. Turn the bolts an additional 90 degrees.
    10.  

  2.  
  3. To install, reverse the removal procedure.
  4.  



Click image to see an enlarged view

Fig. Cylinder head removal-2.3L engine


WARNING
During engine repair procedures, cleanliness is extremely important. Any foreign material, including any material created while cleaning gasket surfaces that enters the oil passages, coolant passages or the oil pan can cause engine failure.

  1. Disconnect the negative battery cable.
    NOTE
    To deplete the backup power supply energy, disconnect the negative battery cable and wait at least one minute. Be sure to disconnect auxiliary batteries and power supplies, if equipped.

  2.  
  3. Raise and support the vehicle safely.
  4.  
  5. Drain the engine coolant.
  6.  
  7. Relieve the fuel system pressure.
  8.  
  9. Remove the alternator.
  10.  
  11. Remove the camshafts.
  12.  
  13. Remove the intake manifold.
  14.  
  15. Remove the catalytic converter.
  16.  
  17. Disconnect the radio ignition interference capacitor electrical connector
  18.  
  19. Disconnect the exhaust gas recirculation (EGR) valve electrical connector
  20.  
  21. Remove the upper radiator hose.
  22.  
  23. Remove the EGR coolant tube clamp.
  24.  
  25. Remove the EGR coolant hose.
  26.  
  27. Remove the engine coolant vent hose.
  28.  
  29. Remove the heater hose.
  30.  
  31. Remove the bypass hose.
  32.  
  33. Remove and discard the cylinder head bolts.
  34.  
  35. Remove the cylinder head.
  36.  
  37. Remove the cylinder head gasket.
  38.  
  39. Inspect the cylinder head for distortion.  
    WARNING
    Do not use metal scrapers, wire brushes, power abrasive discs or other abrasive means to clean the sealing surfaces. These tools cause scratches and gouges that make leak paths. Use a plastic scraping tool to remove all traces of the head gasket.  


    WARNING
    Observe all warnings or cautions and follow all application directions contained on the packaging of the silicone gasket remover and the metal surface prep.


    NOTE
    If there is no residual gasket material present, metal surface prep can be used to clean and prepare the surfaces.

  40.  
  41. Clean the cylinder head-to-cylinder block mating surface of both the cylinder head and the cylinder block.
  42.  
  43. Remove any large deposits of silicone or gasket material with a plastic scraper.
  44.  
  45. Apply silicone gasket remover, following package directions, and allow to set for several minutes.
  46.  
  47. Remove the silicone gasket remover with a plastic scraper. A second application of silicone gasket remover may be required if residual traces of silicone or gasket material remain.
  48.  
  49. Apply metal surface prep, following package directions, to remove any traces of oil or coolant, and to prepare the surfaces to bond with the new gasket. Do not attempt to make the metal shiny. Some staining of the metal surfaces is normal.
  50.  
  51. Apply silicone gasket and sealant to the locations shown (Arrow indicates sealant).

    Click image to see an enlarged view

    Fig. Sealant application location (arrow indicates sealant)-2.3L engine

  52.  
  53. Install a new head gasket.
    NOTE
    The cylinder head bolts are torque-to-yield and must not be reused. New cylinder head bolts must be installed.


    NOTE
    Lubricate the bolts with clean engine oil prior to installation.



    Click image to see an enlarged view

    Fig. Cylinder head bolt torque sequence-2.3L engine

  54.  
  55. Install new cylinder head bolts. Tighten the bolts in the sequence shown in five stages.
    1. Tighten the bolts to 5 Nm (44 inch lbs.).
    2.  
    3. Tighten the bolts to 15 Nm (11 ft. lbs.).
    4.  
    5. Tighten the bolts to 45 Nm (33 ft. lbs.).
    6.  
    7. Turn the bolts 90 degrees.
    8.  
    9. Turn the bolts an additional 90 degrees.
    10.  

  56.  
  57. To install, reverse the removal procedure.
  58.  

3.0L Engine

The procedure for the left side cylinder head and right side are similar. Changes in the procedure will be noted for either side cylinder head.

  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Properly relieve the fuel system pressure.

    Drain the cooling system.
     

  4.  
  5. Remove or disconnect the following:

    Negative battery cable
     
    Camshaft
     
    Exhaust Gas Recirculation (EGR) tube, right side only
     
    Exhaust manifold
     
    Camshaft followers
     
    Hydraulic lash adjusters and matchmark them for proper installation
     
    Cylinder head bolts in sequence and discard them
     
    Cylinder head and discard the gasket
     

  6.  

To install:

  1. Install a new head gasket and the cylinder head.
  2.  
  3. Lubricate the cylinder head bolt threads.
  4.  
  5. Torque the cylinder head bolts in the proper sequence as follows:
    1. Step 1: 30 ft. lbs. (40 Nm).
    2.  
    3. Step 2: Additional 90 degrees.
    4.  
    5. Step 3: Loosen the bolts one full turn.
    6.  
    7. Step 4: 30 ft. lbs. (40 Nm).
    8.  
    9. Step 5: Plus an additional 90 degrees.
    10.  
    11. Step 6: Plus an additional 90 degrees.
    12.  

  6.  
  7. Install or connect the following:

    Hydraulic lash adjusters
     
    Camshaft followers
     
    Camshaft
     
    Exhaust manifold. Torque the bolts in sequence to 15 ft. lbs. (20 Nm), right side only
     
    EGR tube, right side only
     
    Coolant bypass tube
     
    Negative battery cable
     

  8.  
  9. Fill the coolant to the proper level.
  10.  
  11. Start the vehicle and check for leaks, repair if necessary.
  12.  


    Click image to see an enlarged view

    Fig. Left side cylinder head bolt torque sequence 3.0L engine



    Click image to see an enlarged view

    Fig. Right side cylinder head bolt torque sequence 3.0L engine



    Click image to see an enlarged view

    Fig. Right side exhaust manifold bolt torque sequence-3.0L engine


The procedure for the left side cylinder head and right side are similar. Changes in the procedure will be noted for either side cylinder head.

  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Properly relieve the fuel system pressure.
  4.  
  5. Disconnect the negative battery cable.
    NOTE
    To deplete the backup power supply energy, disconnect the negative battery cable and wait at least one minute. Be sure to disconnect auxiliary batteries and power supplies, if equipped.

  6.  
  7. Drain the cooling system.
  8.  
  9. Remove or disconnect the following:

    Camshafts
     
    Exhaust Gas Recirculation (EGR) tube, right side only
     
    Exhaust manifold
     
    Camshaft followers
     
    Hydraulic lash adjusters and matchmark them for proper installation
     
    Cylinder head bolts in sequence and discard them
     
    Cylinder head and discard the gasket
     

  10.  

To install:

  1. Install a new head gasket and the cylinder head.

    Click image to see an enlarged view

    Fig. Left side cylinder head bolt torque sequence-3.0L engine



    Click image to see an enlarged view

    Fig. Right side cylinder head bolt torque sequence-3.0L engine

  2.  
  3. Be sure to use new cylinder head bolts. Lubricate the cylinder head bolt threads.
  4.  
  5. Torque the cylinder head bolts in the proper sequence as follows:
    1. Step 1: 30 ft. lbs. (40 Nm).
    2.  
    3. Step 2: Additional 90 degrees.
    4.  
    5. Step 3: Loosen the bolts one full turn.
    6.  
    7. Step 4: 30 ft. lbs. (40 Nm).
    8.  
    9. Step 5: Plus an additional 90 degrees.
    10.  
    11. Step 6: Plus an additional 90 degrees.
    12.  

  6.  
  7. Install or connect the following:

    Hydraulic lash adjusters. They must be installed in their original positions.
     
    Camshaft followers
     
    Camshaft
     
    Exhaust manifold. Torque the bolts in sequence to 15 ft. lbs. (20 Nm), right side only
     
    EGR tube, right side only
     
    Coolant bypass tube
     
    Negative battery cable
     

  8.  
  9. Fill the coolant to the proper level.
  10.  
  11. Start the engine and check for leaks, repair if necessary.
  12.  

 
label.common.footer.alt.autozoneLogo