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How to Replace the Head gasket in my 91 s10 blazer with a 4.3L V6 on 1991 Chevrolet S10 Blazer

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I am having trouble removing the cylinder head.Does each come off on its own? Or do they come off together?
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The job you are attempting is a 5 wrench job on the 5 wrench scale. You need special tools, for instance a torque wrench. A head gasket job is expert level work, not for the beginner, but, I give you an "A" for willingness to attempt it. Take some pictures and send it to my email address. harts.auto.repair@gmail.com
me and my husband are both in auto mechanics classes and are close to being ASE certified. we are just not fimilar with 4.3l v6..

I just need to know whether all of the pulleys have to come off or not?