Withdrawal
1. Remove the caps and nuts securing the engine top cover, then remove the cover.
2. Remove the air filter assembly as described in Chapter 2.
3. Where applicable, remove the nuts and bolts and remove the EGR valve and pipe assembly from the intake and exhaust manifolds. Disconnect the vacuum tube and remove the gaskets.
4. Loosen the bracket and disconnect the air duct from the intake manifold.
5. Loosen the clamps and disconnect the vacuum hoses (see illustration).
6. On some engines, you need to unscrew the bolts and remove the thermal insulation from the front of the cylinder head (see illustration).
7. Using a hex wrench, gradually unscrew the bolts securing the intake manifold to the cylinder head, then separate the manifold, and remove the gasket (see illustrations).
8. Clear surfaces under laying of a collector and a head of the block of cylinders.
Installation
9. Install in the reverse order, but install a new gasket and tighten the bolts with the tightening torque specified specifications.
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