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Remove the intake manifold retaining bolts from your 1996 Chevy Astro Van. Remove the manifold gasket and clean the surface. Reverse the process to install the new intake manifold gasket.
by hand :)
They are under the intake manifold.
They are underneith the intake manifold. You can not see are get to them until you REMOVE the INTAKE manifold.
On valley cover plate underneath intake manifold. Must remove intake manifold to get to them.
It depends on what you have to remove to get the intake manifold off. Once the intake manifold is off it will take about an hour.
There is 2 of them and they are underneath the intake manifold. You will have to remove the intake to get to them.
There is 2 of them and they are underneath the intake manifold. You will have to remove the intake manifold to replace them are even see them.
This is the Manifold Absolute Pressure sensor. It is located on the top of the motor between the fire wall and the intake manifold case.
There are 2 of them, Thay are under the intake manifold. You will have to remove the intake to get to them.
what maniofold are you asking about? intake or exhaust, and what kind of engine do you have?
Remove carburator then intake manifold then cylinder heads