FUEL-09, Intake Manifold Removal and Installation
Other Procedures Needed
On normally aspirated cars, there are hoses underneath the intake manifold which can not be disconnected from the intake until it is lifted.
The intake manifold bolts tend to bond themselves to the cylinder head making it very easy to strip the heads on the bolts. To avoid stripping the heads refer to BOLT-01 for "waking up" the bolts.
Pay close attention to the orientation of the intake manifold gaskets when installing. On some cars, the gaskets are shaped identically but, must be oriented differently during installation. For example, on turbocharged cars, the #1 cylinder gasket orientation is not the same as the #2, #3, and #4 cylinders. While the gasket can be installed in the same orientation as the other cylinders and still fit, if done so, the gasket will partially block the injector flow path affecting the injector spray pattern.
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