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No. which manifold gasket are you wanting to replace? Intake or exhaust?
If the exhaust manifold gasket is leaking the only fix is to replace it with a new one.
unbolt the head pipe then the manifold.
Where is the leak coming from. Most likely you will need to replace the exhaust manifold gasket which will require removing the exhaust manifold.
The gasket is between the head and the manifold and simply remove the bolts and replace the gasket after cleaning it real good.
In most cases a new gasket is required, but no sealant.
if it is just a blown exhaust manifold gasket it can ruin your valves, so replace it correctly and make sure everything is clean before putting on the new gasket
The exhaust manifold needs to have a gasket in place to help seal the juncture between the manifold and the engine. After the gasket and gasket sealer are in place, tighten the bolts for the exhaust manifold. The exhaust pipe can then be replaced on the new exhaust manifold.
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.
sell your van the studs for the maniflold are going to break and you most likely will have to replace head Between the exhaust manifold and the head is the manifold gasket. Where the exhaust pipe connects to the exhaust manifold is a manifold doughnut gasket.
get a chilton repair manual and it will tell you how.
You have to replace the gasket because when you take the manifold off it brakes the seel and air will be sucked into the manifold and your vehicle will hardly run, and you wont be able to drive it You have to replace the gasket because when you take the manifold off it brakes the seel and air will be sucked into the manifold and your vehicle will hardly run, and you wont be able to drive it