Friday, March 30, 2012

Toyota RAV4 Cylinder Head Removal?

How to replace Toyota Rav4 Cylinder head.
Cylinder head replacing for 2.0L engine Toyota.
2000 and 2001 Cylinder head replacing diagrams.

All this is covered in this section.


Cylinder Head
REMOVAL & INSTALLATION Procedure is mentioned as follows:----


  1. Release the fuel system pressure.
  2. Remove or disconnect the following:

    Negative battery cable
    Right-hand engine undercover
  3. Drain the engine coolant.
  4. Remove or disconnect the following:

    Camshafts
    Cylinder head bolts in several passes
    Cylinder head with the intake manifold
    Air hose from the intake manifold
    2 bolts and the air tube
    Intake manifold and gasket
    Air hose from the cylinder head port
    Air hose
    Fuel delivery pipe and the injectors
    Oil pressure switch
To install:
  1. Install or connect the following:

    Oil pressure switch
    Fuel injectors and the delivery pipe
    Air hose to the cylinder head port
    Intake manifold with new gaskets. Tighten the nut/bolts to 14 ft. lbs. (19 Nm).
    Air tube with the 2 bolts
    Air hose to the intake manifold
  2. Clean the gasket mating surfaces using care not to damage the aluminum components, replace the gasket; then, lower the cylinder head onto the engine. Be sure the dowel pins are aligned and no hoses or wires are between the head and cylinder block. 

    image
    Fig. Cylinder head bolts installation sequence-2.0L engine
  3. Tighten the cylinder head bolts in 2 progressive steps, as follows:
    1. Apply a light coat of engine oil to the cylinder head bolts.
    2. Tighten the cylinder head bolts, in several passes, in sequence, to 36 ft. lbs. (49 Nm).
    3. Mark the front of the cylinder head bolt with paint.
    4. Retighten the cylinder head bolts by 90 degrees in sequence.
    5. Retighten an additional 90 degrees and be sure that the paint mark is now positioned toward the rear.
  4. Install or connect the following:

    Intake and exhaust camshafts
    Negative battery cable
  5. Refill the engine with coolant, start the engine, warm up and check for leaks.
  6. Bleed the cooling system and top off coolant as necessary.
  7. Install the right-hand engine undercover.
  8. Check ignition timing and road test the vehicle for proper operation.
2.0L Engine
  1. Before servicing the vehicle, refer to the Precautions section.
  2. Release the fuel system pressure.
  3. Remove or disconnect the following:

    Negative battery cable
    Right-hand engine undercover
  4. Drain the engine coolant.
  5. Remove or disconnect the following:

    Camshafts
    Cylinder head bolts in several passes
    Cylinder head with the intake manifold
    Air hose from the intake manifold
    2 bolts and the air tube
    Intake manifold and gasket
    Air hose from the cylinder head port
    Air hose
    Fuel delivery pipe and the injectors
    Oil pressure switch
To install:
  1. Install or connect the following:

    Oil pressure switch
    Fuel injectors and the delivery pipe
    Air hose to the cylinder head port
    Intake manifold with new gaskets. Tighten the nut/bolts to 14 ft. lbs. (19 Nm).
    Air tube with the 2 bolts
    Air hose to the intake manifold
  2. Clean the gasket mating surfaces using care not to damage the aluminum components, replace the gasket; then, lower the cylinder head onto the engine. Be sure the dowel pins are aligned and no hoses or wires are between the head and cylinder block.
  3. For 2000-01, tighten the cylinder head bolts as follows:
    1. Apply a light coat of engine oil to the cylinder head bolts.
    2. Tighten the cylinder head bolts, in several passes, in sequence, to 36 ft. lbs. (49 Nm).
    3. Mark the front of the cylinder head bolt with paint.
    4. Retighten the cylinder head bolts by 90 degrees in sequence.
    5. Retighten an additional 90 degrees and be sure that the paint mark is now positioned toward the rear.

  4. For 2002, tighten the cylinder head bolts in 3 progressive steps, as follows:
    1. Apply a light coat of engine oil to the cylinder head bolts.
    2. Tighten the cylinder head bolts, in sequence, to 15 ft. lbs. (26 Nm).
    3. Tighten the cylinder head bolts, in sequence, to 30 ft. lbs. (52 Nm).
    4. Mark the front of the cylinder head bolt with paint.
    5. Retighten the cylinder head bolts by 90 degrees in sequence.
  5. Install or connect the following:

    Intake and exhaust camshafts
    Negative battery cable
  6. Refill the engine with coolant, start the engine, warm up and check for leaks.
  7. Bleed the cooling system and top off coolant as necessary.
  8. Install the right-hand engine undercover.
  9. Check ignition timing and road test the vehicle for proper operation.

These details will help.
Thanks.

FOR MORE HELP GO TO: ---

Car repair guide?




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