Friday, December 9, 2011

How to Remove Intake Manifold on Toyota Previa?

The details are as follows :---------

Intake Manifold


See Figure 1
  1. Remove the air intake connector.
  2. Disconnect and tag all wires, harnesses, coolant and vacuum hoses from the intake manifold.
  3. Disconnect the shift and accelerator cables.
  4. Remove the fuel pipes.
  5. Remove the distributor and EGR valve.
  6. Remove the PCV hose.
  7. Remove the water outlet, by-pass pipe and gasket from the manifold.
  8. Disconnect the water hose form the water pump and remove the bolt holding the water by-pass pipe and timing chain case.
  9. Remove the intake manifold stays.
  10. Remove the 2 nuts and 4 bolts and extract the intake manifold with gasket. Remove the cylinder block insulators.

Click image to see an enlarged view
Fig. Fig. 1: Intake manifold bolt and nut locations
To install:
  1. Position the cylinder block insulator on the cylinder head.
  2. Position a new gasket on the cylinder head and install the intake manifold with the 2 nuts and 4 bolts. Tighten the fasteners to 15 ft. lbs. (21 Nm). Use a crisscross pattern starting from the center and work outwards.
  3. Install the intake manifold stays and secure to 27 ft. lbs. (37 Nm) to the block and 13 ft. lbs. (18 Nm) to the intake manifold.
  4. Install the bolt holding the water by-pass pipe and timing chain case and tighten to 13 ft. lbs. (18 Nm). Connect the water hose to the water pump.
  5. Install the delivery pipe, water outlet and EGR valve.
  6. Install the distributor.
  7. Connect all wires, connectors, coolant and vacuum hoses from the intake manifold.
  8. Connect the shift and accelerator cables.
  9. Install the air intake connector.
  10. Fill and bleed the cooling system.
  11. Start the engine and check for leaks.

This basic details will help.Thanks.
If you need dis-assembly or replacement instructions for any other auto/car part, or you want to ask question related to your car/truck jeep problem then please leave the comment with your details, so I can provide you the required instructions and solutions.

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