GMC, intake and exhaust manifold gasket replacement in Zevulun

GMC, intake and exhaust manifold gasket replacement in Zevulun.
To replace the intake and exhaust manifold gasket, remove the hose to drain the coolant from the intake manifold, the hose of the vacuum booster, remove the fastening of the receiver to the exhaust manifold and to the gearbox, remove the wires, the air intake, the hose for draining the coolant from the heater radiator, the heat shield of the starter, remove the intake and exhaust manifolds and two gaskets, install a new manifold and carry out installation in the reverse order.