That would probably cause it to run lean.
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.
You will need to remove the exhaust manifold retaining bolts in your 1993 Chevy Astro. Remove the exhaust manifold. Remove the exhaust manifold gasket and clean the surface. Reverse the process to install the new exhaust manifold gasket.
Assuming this is a 4.3L engine, the upper intake manifold gasket would be between the upper intake manifold and the lower intake manifold.
is their a web site, that will provide me with the a print out for the intstalling of a intake manifold gasket for a 2003 chevy aenture.
there is no lower intake gasket, only a front and rear gasket
www.trailvoy.com
You either need a head gasket or intake gasket.
there is no upper intake gasket, only a front and rear
It is between the upper and lower intake manifold. The gasket is an o-ring type.
take it to a mechanic
They (2ea.)are in the intake. The intake manifold will need to be removed to get to them. The wire harness and intake manifold gasket should both be replaced when reassembling.
a bad head gasket or intake manifold gasket.